diff options
Diffstat (limited to 'src/devices/machine/spg2xx.cpp')
-rw-r--r-- | src/devices/machine/spg2xx.cpp | 2451 |
1 files changed, 418 insertions, 2033 deletions
diff --git a/src/devices/machine/spg2xx.cpp b/src/devices/machine/spg2xx.cpp index a325346558d..3a3a22abac3 100644 --- a/src/devices/machine/spg2xx.cpp +++ b/src/devices/machine/spg2xx.cpp @@ -17,57 +17,38 @@ DEFINE_DEVICE_TYPE(SPG24X, spg24x_device, "spg24x", "SPG240-series System-on-a-Chip") DEFINE_DEVICE_TYPE(SPG28X, spg28x_device, "spg28x", "SPG280-series System-on-a-Chip") -#define LOG_IO_READS (1U << 1) -#define LOG_IO_WRITES (1U << 2) #define LOG_UNKNOWN_IO (1U << 3) #define LOG_IRQS (1U << 4) #define LOG_VLINES (1U << 5) -#define LOG_GPIO (1U << 6) -#define LOG_UART (1U << 7) -#define LOG_I2C (1U << 8) #define LOG_DMA (1U << 9) -#define LOG_SEGMENT (1U << 10) -#define LOG_WATCHDOG (1U << 11) -#define LOG_TIMERS (1U << 12) -#define LOG_SPU_READS (1U << 13) -#define LOG_SPU_WRITES (1U << 14) -#define LOG_UNKNOWN_SPU (1U << 15) -#define LOG_CHANNEL_READS (1U << 16) -#define LOG_CHANNEL_WRITES (1U << 17) -#define LOG_ENVELOPES (1U << 18) -#define LOG_SAMPLES (1U << 19) -#define LOG_RAMPDOWN (1U << 20) -#define LOG_BEAT (1U << 21) #define LOG_PPU_READS (1U << 22) #define LOG_PPU_WRITES (1U << 23) #define LOG_UNKNOWN_PPU (1U << 24) -#define LOG_IO (LOG_IO_READS | LOG_IO_WRITES | LOG_IRQS | LOG_GPIO | LOG_UART | LOG_I2C | LOG_DMA | LOG_TIMERS | LOG_UNKNOWN_IO) -#define LOG_CHANNELS (LOG_CHANNEL_READS | LOG_CHANNEL_WRITES) -#define LOG_SPU (LOG_SPU_READS | LOG_SPU_WRITES | LOG_UNKNOWN_SPU | LOG_CHANNEL_READS | LOG_CHANNEL_WRITES \ - | LOG_ENVELOPES | LOG_SAMPLES | LOG_RAMPDOWN | LOG_BEAT) +#define LOG_IO (LOG_IRQS | LOG_DMA | LOG_UNKNOWN_IO) #define LOG_PPU (LOG_PPU_READS | LOG_PPU_WRITES | LOG_UNKNOWN_PPU) -#define LOG_ALL (LOG_IO | LOG_SPU | LOG_PPU | LOG_VLINES | LOG_SEGMENT) +#define LOG_ALL (LOG_IO | LOG_PPU | LOG_VLINES ) -#define VERBOSE (LOG_UART | LOG_UNKNOWN_IO) +#define VERBOSE (0) #include "logmacro.h" #define SPG_DEBUG_VIDEO (0) -#define SPG_DEBUG_AUDIO (0) -#define IO_IRQ_ENABLE m_io_regs[0x21] -#define IO_IRQ_STATUS m_io_regs[0x22] #define VIDEO_IRQ_ENABLE m_video_regs[0x62] #define VIDEO_IRQ_STATUS m_video_regs[0x63] spg2xx_device::spg2xx_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, type, tag, owner, clock) - , device_sound_interface(mconfig, *this) + , device_mixer_interface(mconfig, *this, 2) + , m_spg_audio(*this, "spgaudio") + , m_spg_io(*this, "spgio") + , m_rowscrolloffset(15) , m_porta_out(*this) , m_portb_out(*this) , m_portc_out(*this) , m_porta_in(*this) , m_portb_in(*this) , m_portc_in(*this) + , m_adc_in{{*this}, {*this}} , m_eeprom_w(*this) , m_eeprom_r(*this) , m_uart_tx(*this) @@ -97,212 +78,234 @@ void spg2xx_device::map(address_map &map) map(0x002900, 0x002aff).ram().share("scrollram"); map(0x002b00, 0x002bff).ram().share("paletteram"); map(0x002c00, 0x002fff).ram().share("spriteram"); - map(0x003000, 0x0037ff).rw(FUNC(spg2xx_device::audio_r), FUNC(spg2xx_device::audio_w)); - map(0x003d00, 0x003eff).rw(FUNC(spg2xx_device::io_r), FUNC(spg2xx_device::io_w)); + map(0x003000, 0x0031ff).rw(m_spg_audio, FUNC(spg2xx_audio_device::audio_r), FUNC(spg2xx_audio_device::audio_w)); + map(0x003200, 0x0033ff).rw(m_spg_audio, FUNC(spg2xx_audio_device::audio_phase_r), FUNC(spg2xx_audio_device::audio_phase_w)); + map(0x003400, 0x0037ff).rw(m_spg_audio, FUNC(spg2xx_audio_device::audio_ctrl_r), FUNC(spg2xx_audio_device::audio_ctrl_w)); + map(0x003d00, 0x003d2f).rw(m_spg_io, FUNC(spg2xx_io_device::io_r), FUNC(spg2xx_io_device::io_w)); + map(0x003d30, 0x003dff).rw(m_spg_io, FUNC(spg2xx_io_device::io_extended_r), FUNC(spg2xx_io_device::io_extended_w)); + map(0x003e00, 0x003e03).rw(FUNC(spg2xx_device::dma_r), FUNC(spg2xx_device::dma_w)); } void spg2xx_device::device_start() { + for (uint8_t i = 0; i < 32; i++) + { + m_rgb5_to_rgb8[i] = (i << 3) | (i >> 2); + } + for (uint16_t i = 0; i < 0x8000; i++) + { + m_rgb555_to_rgb888[i] = (m_rgb5_to_rgb8[(i >> 10) & 0x1f] << 16) | + (m_rgb5_to_rgb8[(i >> 5) & 0x1f] << 8) | + (m_rgb5_to_rgb8[(i >> 0) & 0x1f] << 0); + } m_porta_out.resolve_safe(); m_portb_out.resolve_safe(); m_portc_out.resolve_safe(); m_porta_in.resolve_safe(0); m_portb_in.resolve_safe(0); m_portc_in.resolve_safe(0); + m_adc_in[0].resolve_safe(0x0fff); + m_adc_in[1].resolve_safe(0x0fff); m_eeprom_w.resolve_safe(); m_eeprom_r.resolve_safe(0); m_uart_tx.resolve_safe(); m_chip_sel.resolve_safe(); - m_tmb1 = timer_alloc(TIMER_TMB1); - m_tmb2 = timer_alloc(TIMER_TMB2); - m_tmb1->adjust(attotime::never); - m_tmb2->adjust(attotime::never); - m_screenpos_timer = timer_alloc(TIMER_SCREENPOS); m_screenpos_timer->adjust(attotime::never); - m_audio_beat = timer_alloc(TIMER_BEAT); - m_audio_beat->adjust(attotime::never); + save_item(NAME(m_hide_page0)); + save_item(NAME(m_hide_page1)); + save_item(NAME(m_hide_sprites)); + save_item(NAME(m_debug_sprites)); + save_item(NAME(m_debug_blit)); + save_item(NAME(m_debug_palette)); + save_item(NAME(m_sprite_index_to_debug)); - m_stream = stream_alloc(0, 2, 44100); + save_item(NAME(m_dma_regs)); - m_channel_debug = -1; + save_item(NAME(m_video_regs)); + save_item(NAME(m_sprite_limit)); + save_item(NAME(m_pal_flag)); } void spg2xx_device::device_reset() { - memset(m_audio_regs, 0, 0x800 * sizeof(uint16_t)); - memset(m_sample_shift, 0, 16); - memset(m_sample_count, 0, sizeof(uint32_t) * 16); - memset(m_sample_addr, 0, sizeof(uint32_t) * 16); - memset(m_channel_rate, 0, sizeof(double) * 16); - memset(m_channel_rate_accum, 0, sizeof(double) * 16); - memset(m_rampdown_frame, 0, sizeof(uint32_t) * 16); - memset(m_envclk_frame, 4, sizeof(uint32_t) * 16); - memset(m_envelope_addr, 0, sizeof(uint32_t) * 16); - memset(m_video_regs, 0, 0x100 * sizeof(uint16_t)); - memset(m_io_regs, 0, 0x200 * sizeof(uint16_t)); - - m_io_regs[0x23] = 0x0028; - m_uart_rx_available = false; - memset(m_uart_rx_fifo, 0, ARRAY_LENGTH(m_uart_rx_fifo)); - m_uart_rx_fifo_start = 0; - m_uart_rx_fifo_end = 0; - m_uart_rx_fifo_count = 0; + memset(m_dma_regs, 0, 0x4 * sizeof(uint16_t)); m_video_regs[0x36] = 0xffff; m_video_regs[0x37] = 0xffff; m_video_regs[0x3c] = 0x0020; + m_video_regs[0x42] = 0x0001; m_hide_page0 = false; m_hide_page1 = false; m_hide_sprites = false; m_debug_sprites = false; m_debug_blit = false; + m_debug_palette = false; m_sprite_index_to_debug = 0; +} - m_debug_samples = false; - m_debug_rates = false; - m_audio_curr_beat_base_count = 0; - m_audio_regs[AUDIO_CHANNEL_REPEAT] = 0x3f; - m_audio_regs[AUDIO_CHANNEL_ENV_MODE] = 0x3f; +WRITE_LINE_MEMBER(spg2xx_device::audioirq_w) +{ + m_cpu->set_state_unsynced(UNSP_IRQ4_LINE, state); +} - m_audio_beat->adjust(attotime::from_ticks(4, 281250), 0, attotime::from_ticks(4, 281250)); +WRITE_LINE_MEMBER(spg2xx_device::timerirq_w) +{ + m_cpu->set_state_unsynced(UNSP_IRQ2_LINE, state); } +WRITE_LINE_MEMBER(spg2xx_device::uartirq_w) +{ + m_cpu->set_state_unsynced(UNSP_IRQ3_LINE, state); +} -/************************* -* Video Hardware * -*************************/ +WRITE_LINE_MEMBER(spg2xx_device::extirq_w) +{ + m_cpu->set_state_unsynced(UNSP_IRQ5_LINE, state); +} -inline uint8_t spg2xx_device::expand_rgb5_to_rgb8(uint8_t val) +WRITE_LINE_MEMBER(spg2xx_device::ffreq1_w) { - uint8_t temp = val & 0x1f; - return (temp << 3) | (temp >> 2); + m_cpu->set_state_unsynced(UNSP_IRQ6_LINE, state); } -// Perform a lerp between a and b -inline uint8_t spg2xx_device::mix_channel(uint8_t bottom, uint8_t top) +WRITE_LINE_MEMBER(spg2xx_device::ffreq2_w) { - uint8_t alpha = (m_video_regs[0x2a] & 3) << 6; - return ((256 - alpha) * bottom + alpha * top) >> 8; + m_cpu->set_state_unsynced(UNSP_IRQ7_LINE, state); } -void spg2xx_device::mix_pixel(uint32_t offset, uint16_t rgb) + + +READ16_MEMBER(spg2xx_device::space_r) { - m_screenbuf[offset].r = mix_channel(m_screenbuf[offset].r, expand_rgb5_to_rgb8(rgb >> 10)); - m_screenbuf[offset].g = mix_channel(m_screenbuf[offset].g, expand_rgb5_to_rgb8(rgb >> 5)); - m_screenbuf[offset].b = mix_channel(m_screenbuf[offset].b, expand_rgb5_to_rgb8(rgb)); + address_space &cpuspace = m_cpu->space(AS_PROGRAM); + return cpuspace.read_word(offset); } -void spg2xx_device::set_pixel(uint32_t offset, uint16_t rgb) +/************************* +* Video Hardware * +*************************/ + +// Perform a lerp between a and b +inline uint8_t spg2xx_device::mix_channel(uint8_t bottom, uint8_t top) { - m_screenbuf[offset].r = expand_rgb5_to_rgb8(rgb >> 10); - m_screenbuf[offset].g = expand_rgb5_to_rgb8(rgb >> 5); - m_screenbuf[offset].b = expand_rgb5_to_rgb8(rgb); + uint8_t alpha = (m_video_regs[0x2a] & 3) << 6; + return ((256 - alpha) * bottom + alpha * top) >> 8; } -void spg2xx_device::blit(const rectangle &cliprect, uint32_t xoff, uint32_t yoff, uint32_t attr, uint32_t ctrl, uint32_t bitmap_addr, uint16_t tile) +template<spg2xx_device::blend_enable_t Blend, spg2xx_device::rowscroll_enable_t RowScroll, spg2xx_device::flipx_t FlipX> +void spg2xx_device::blit(const rectangle &cliprect, uint32_t line, uint32_t xoff, uint32_t yoff, uint32_t attr, uint32_t ctrl, uint32_t bitmap_addr, uint16_t tile) { address_space &space = m_cpu->space(AS_PROGRAM); - uint32_t h = 8 << ((attr & PAGE_TILE_HEIGHT_MASK) >> PAGE_TILE_HEIGHT_SHIFT); - uint32_t w = 8 << ((attr & PAGE_TILE_WIDTH_MASK) >> PAGE_TILE_WIDTH_SHIFT); + int32_t h = 8 << ((attr & PAGE_TILE_HEIGHT_MASK) >> PAGE_TILE_HEIGHT_SHIFT); + int32_t w = 8 << ((attr & PAGE_TILE_WIDTH_MASK) >> PAGE_TILE_WIDTH_SHIFT); uint32_t yflipmask = attr & TILE_Y_FLIP ? h - 1 : 0; - uint32_t xflipmask = attr & TILE_X_FLIP ? w - 1 : 0; uint32_t nc = ((attr & 0x0003) + 1) << 1; uint32_t palette_offset = (attr & 0x0f00) >> 4; - if (m_debug_blit && SPG_DEBUG_VIDEO) + if (SPG_DEBUG_VIDEO && m_debug_blit) { - printf("xy:%08x,%08x attr:%08x ctrl:%08x bitmap_addr:%08x tile:%04x\n", xoff, yoff, attr, ctrl, bitmap_addr, tile); - printf("hw:%d,%d f:%d,%d fm:%d,%d ncols:%d pobs:%02x ", w, h, (attr & TILE_X_FLIP) ? 1 : 0, (attr & TILE_Y_FLIP) ? 1 : 0, xflipmask, yflipmask, nc, palette_offset); + printf("s:%d line:%d xy:%08x,%08x attr:%08x ctrl:%08x bitmap_addr:%08x tile:%04x\n", cliprect.min_x, line, xoff, yoff, attr, ctrl, bitmap_addr, tile); + printf("hw:%d,%d f:%d,%d yfm:%d ncols:%d pobs:%02x ", w, h, (attr & TILE_X_FLIP) ? 1 : 0, (attr & TILE_Y_FLIP) ? 1 : 0, yflipmask, nc, palette_offset); } palette_offset >>= nc; palette_offset <<= nc; - if (m_debug_blit && SPG_DEBUG_VIDEO) + if (SPG_DEBUG_VIDEO && m_debug_blit) { printf("poas:%02x\n", palette_offset); } - uint32_t m = bitmap_addr + nc * w*h / 16 * tile; + uint32_t bits_per_row = nc * w / 16; + uint32_t words_per_tile = bits_per_row * h; + uint32_t m = bitmap_addr + words_per_tile * tile + bits_per_row * (line ^ yflipmask); uint32_t bits = 0; uint32_t nbits = 0; + uint32_t y = line; - for (uint32_t y = 0; y < h; y++) - { - int yy = (yoff + (y ^ yflipmask)) & 0x1ff; - if (yy >= 0x01c0) - yy -= 0x0200; + int yy = (yoff + y) & 0x1ff; + if (yy >= 0x01c0) + yy -= 0x0200; - if (m_debug_blit && SPG_DEBUG_VIDEO) - printf("%3d:\n", yy); + if (yy > 240 || yy < 0) + return; - for (uint32_t x = 0; x < w; x++) + if (SPG_DEBUG_VIDEO && m_debug_blit) + printf("%3d:\n", yy); + + int y_index = yy * 320; + + for (int32_t x = FlipX ? (w - 1) : 0; FlipX ? x >= 0 : x < w; FlipX ? x-- : x++) + { + int xx = xoff + x; + + bits <<= nc; + if (SPG_DEBUG_VIDEO && m_debug_blit) + printf(" %08x:%d ", bits, nbits); + if (nbits < nc) { - int xx = xoff + (x ^ xflipmask); + uint16_t b = space.read_word(m++ & 0x3fffff); + b = (b << 8) | (b >> 8); + bits |= b << (nc - nbits); + nbits += 16; + if (SPG_DEBUG_VIDEO && m_debug_blit) + printf("(%04x:%08x:%d) ", b, bits, nbits); + } + nbits -= nc; - bits <<= nc; - if (m_debug_blit && SPG_DEBUG_VIDEO) - printf(" %08x:%d ", bits, nbits); - if (nbits < nc) - { - uint16_t b = space.read_word(m++ & 0x3fffff); - b = (b << 8) | (b >> 8); - bits |= b << (nc - nbits); - nbits += 16; - if (m_debug_blit && SPG_DEBUG_VIDEO) - printf("(%04x:%08x:%d) ", b, bits, nbits); - } - nbits -= nc; + uint32_t pal = palette_offset + (bits >> 16); + if (SPG_DEBUG_VIDEO && m_debug_blit) + printf("%02x:%02x:%04x ", bits >> 16, pal, bits & 0xffff); + bits &= 0xffff; + + if (RowScroll) + xx -= (int16_t)m_scrollram[(yy + m_rowscrolloffset) & 0x1ff]; - uint32_t pal = palette_offset + (bits >> 16); - if (m_debug_blit && SPG_DEBUG_VIDEO) - printf("%02x:%02x:%04x ", bits >> 16, pal, bits & 0xffff); - bits &= 0xffff; + xx &= 0x01ff; + if (xx >= 0x01c0) + xx -= 0x0200; - if ((ctrl & 0x0010) && yy < 240) - xx -= (int16_t)m_scrollram[yy + 15]; + if (xx >= 0 && xx < 320) + { + int pix_index = xx + y_index; - xx &= 0x01ff; - if (xx >= 0x01c0) - xx -= 0x0200; + uint16_t rgb = m_paletteram[pal]; + if (SPG_DEBUG_VIDEO && m_debug_blit) + printf("rgb:%04x ", rgb); - if (xx >= 0 && xx < 320 && yy >= 0 && yy < 240) + if (!(rgb & 0x8000)) { - uint16_t rgb = m_paletteram[pal]; - if (m_debug_blit && SPG_DEBUG_VIDEO) - printf("rgb:%04x ", rgb); - if (!(rgb & 0x8000)) + if (Blend) { - if (attr & 0x4000 || ctrl & 0x0100) - { - if (m_debug_blit && SPG_DEBUG_VIDEO) - printf("M\n"); - mix_pixel(xx + 320 * yy, rgb); - } - else - { - if (m_debug_blit && SPG_DEBUG_VIDEO) - printf("S\n"); - set_pixel(xx + 320 * yy, rgb); - } + if (SPG_DEBUG_VIDEO && m_debug_blit) + printf("M\n"); + m_screenbuf[pix_index] = (mix_channel((uint8_t)(m_screenbuf[pix_index] >> 16), m_rgb5_to_rgb8[(rgb >> 10) & 0x1f]) << 16) | + (mix_channel((uint8_t)(m_screenbuf[pix_index] >> 8), m_rgb5_to_rgb8[(rgb >> 5) & 0x1f]) << 8) | + (mix_channel((uint8_t)(m_screenbuf[pix_index] >> 0), m_rgb5_to_rgb8[rgb & 0x1f])); } - else if (m_debug_blit && SPG_DEBUG_VIDEO) + else { - printf("X\n"); + if (SPG_DEBUG_VIDEO && m_debug_blit) + printf("S\n"); + m_screenbuf[pix_index] = m_rgb555_to_rgb888[rgb]; } } + else if (SPG_DEBUG_VIDEO && m_debug_blit) + { + printf("X\n"); + } } } } -void spg2xx_device::blit_page(const rectangle &cliprect, int depth, uint32_t bitmap_addr, uint16_t *regs) +void spg2xx_device::blit_page(const rectangle &cliprect, uint32_t scanline, int depth, uint32_t bitmap_addr, uint16_t *regs) { uint32_t xscroll = regs[0]; uint32_t yscroll = regs[1]; @@ -322,62 +325,98 @@ void spg2xx_device::blit_page(const rectangle &cliprect, int depth, uint32_t bit return; } - uint32_t h = 8 << ((attr & PAGE_TILE_HEIGHT_MASK) >> PAGE_TILE_HEIGHT_SHIFT); - uint32_t w = 8 << ((attr & PAGE_TILE_WIDTH_MASK) >> PAGE_TILE_WIDTH_SHIFT); + uint32_t tile_h = 8 << ((attr & PAGE_TILE_HEIGHT_MASK) >> PAGE_TILE_HEIGHT_SHIFT); + uint32_t tile_w = 8 << ((attr & PAGE_TILE_WIDTH_MASK) >> PAGE_TILE_WIDTH_SHIFT); + + uint32_t tile_count_x = 512 / tile_w; - uint32_t hn = 256 / h; - uint32_t wn = 512 / w; + uint32_t bitmap_y = (scanline + yscroll) & 0xff; + uint32_t y0 = bitmap_y / tile_h; + uint32_t tile_scanline = bitmap_y % tile_h; + uint32_t tile_address = tile_count_x * y0; + if (SPG_DEBUG_VIDEO && machine().input().code_pressed(KEYCODE_H)) + printf("s:%3d | baddr:%08x | yscr:%3d | bity:%3d | y0:%2d | ts:%2d\n", scanline, bitmap_addr, yscroll, bitmap_y, y0, tile_scanline); - for (uint32_t y0 = 0; y0 < hn; y0++) + if (SPG_DEBUG_VIDEO && machine().input().code_pressed(KEYCODE_EQUALS)) + m_debug_blit = true; + for (uint32_t x0 = 0; x0 < tile_count_x; x0++, tile_address++) { - for (uint32_t x0 = 0; x0 < wn; x0++) - { - uint16_t tile = (ctrl & PAGE_WALLPAPER_MASK) ? space.read_word(tilemap) : space.read_word(tilemap + x0 + wn * y0); - uint16_t palette = 0; - uint32_t xx, yy; + uint32_t yy = ((tile_h * y0 - yscroll + 0x10) & 0xff) - 0x10; + uint32_t xx = (tile_w * x0 - xscroll) & 0x1ff; + uint16_t tile = (ctrl & PAGE_WALLPAPER_MASK) ? space.read_word(tilemap) : space.read_word(tilemap + tile_address); + uint16_t palette = 0; - if (!tile) - { - continue; - } + if (!tile) + continue; - palette = space.read_word(palette_map + (x0 + wn * y0) / 2); - if (x0 & 1) - { - palette >>= 8; - } + palette = (ctrl & PAGE_WALLPAPER_MASK) ? space.read_word(palette_map) : space.read_word(palette_map + tile_address / 2); + if (x0 & 1) + palette >>= 8; - uint32_t tileattr = attr; - uint32_t tilectrl = ctrl; - if ((ctrl & 2) == 0) - { // -(1) bld(1) flip(2) pal(4) - tileattr &= ~0x000c; - tileattr |= (palette >> 2) & 0x000c; // flip + uint32_t tileattr = attr; + uint32_t tilectrl = ctrl; + if ((ctrl & 2) == 0) + { // -(1) bld(1) flip(2) pal(4) + tileattr &= ~0x000c; + tileattr |= (palette >> 2) & 0x000c; // flip - tileattr &= ~0x0f00; - tileattr |= (palette << 8) & 0x0f00; // palette + tileattr &= ~0x0f00; + tileattr |= (palette << 8) & 0x0f00; // palette - tilectrl &= ~0x0100; - tilectrl |= (palette << 2) & 0x0100; // blend - } + tilectrl &= ~0x0100; + tilectrl |= (palette << 2) & 0x0100; // blend + } - yy = ((h*y0 - yscroll + 0x10) & 0xff) - 0x10; - xx = (w*x0 - xscroll) & 0x1ff; + bool blend = (tileattr & 0x4000 || tilectrl & 0x0100); + bool row_scroll = (tilectrl & 0x0010); + bool flip_x = (tileattr & TILE_X_FLIP); - blit(cliprect, xx, yy, tileattr, tilectrl, bitmap_addr, tile); + if (blend) + { + if (row_scroll) + { + if (flip_x) + blit<BlendOn, RowScrollOn, FlipXOn>(cliprect, tile_scanline, xx, yy, tileattr, tilectrl, bitmap_addr, tile); + else + blit<BlendOn, RowScrollOn, FlipXOff>(cliprect, tile_scanline, xx, yy, tileattr, tilectrl, bitmap_addr, tile); + } + else + { + if (flip_x) + blit<BlendOn, RowScrollOff, FlipXOn>(cliprect, tile_scanline, xx, yy, tileattr, tilectrl, bitmap_addr, tile); + else + blit<BlendOn, RowScrollOff, FlipXOff>(cliprect, tile_scanline, xx, yy, tileattr, tilectrl, bitmap_addr, tile); + } + } + else + { + if (row_scroll) + { + if (flip_x) + blit<BlendOff, RowScrollOn, FlipXOn>(cliprect, tile_scanline, xx, yy, tileattr, tilectrl, bitmap_addr, tile); + else + blit<BlendOff, RowScrollOn, FlipXOff>(cliprect, tile_scanline, xx, yy, tileattr, tilectrl, bitmap_addr, tile); + } + else + { + if (flip_x) + blit<BlendOff, RowScrollOff, FlipXOn>(cliprect, tile_scanline, xx, yy, tileattr, tilectrl, bitmap_addr, tile); + else + blit<BlendOff, RowScrollOff, FlipXOff>(cliprect, tile_scanline, xx, yy, tileattr, tilectrl, bitmap_addr, tile); + } } } + if (SPG_DEBUG_VIDEO && machine().input().code_pressed(KEYCODE_EQUALS)) + m_debug_blit = false; } -void spg2xx_device::blit_sprite(const rectangle &cliprect, int depth, uint32_t base_addr) +void spg2xx_device::blit_sprite(const rectangle &cliprect, uint32_t scanline, int depth, uint32_t base_addr) { - address_space &space = m_cpu->space(AS_PROGRAM); uint32_t bitmap_addr = 0x40 * m_video_regs[0x22]; - - uint16_t tile = space.read_word(base_addr + 0); - int16_t x = space.read_word(base_addr + 1); - int16_t y = space.read_word(base_addr + 2); - uint16_t attr = space.read_word(base_addr + 3); + uint16_t tile = m_spriteram[base_addr + 0]; + int16_t x = m_spriteram[base_addr + 1]; + int16_t y = m_spriteram[base_addr + 2]; + uint16_t attr = m_spriteram[base_addr + 3]; if (!tile) { @@ -389,32 +428,68 @@ void spg2xx_device::blit_sprite(const rectangle &cliprect, int depth, uint32_t b return; } + const uint32_t h = 8 << ((attr & PAGE_TILE_HEIGHT_MASK) >> PAGE_TILE_HEIGHT_SHIFT); + const uint32_t w = 8 << ((attr & PAGE_TILE_WIDTH_MASK) >> PAGE_TILE_WIDTH_SHIFT); + if (!(m_video_regs[0x42] & SPRITE_COORD_TL_MASK)) { - x = 160 + x; - y = 120 - y; - - uint32_t h = 8 << ((attr & PAGE_TILE_HEIGHT_MASK) >> PAGE_TILE_HEIGHT_SHIFT); - uint32_t w = 8 << ((attr & PAGE_TILE_WIDTH_MASK) >> PAGE_TILE_WIDTH_SHIFT); - - x -= (w / 2); - y -= (h / 2) - 8; + x = (160 + x) - w / 2; + y = (120 - y) - (h / 2) + 8; } x &= 0x01ff; y &= 0x01ff; + uint32_t tile_line = ((scanline - y) + 0x200) % h; + int16_t test_y = (y + tile_line) & 0x1ff; + if (test_y >= 0x01c0) + test_y -= 0x0200; + + if (test_y != scanline) + { + return; + } + + bool blend = (attr & 0x4000); + bool flip_x = (attr & TILE_X_FLIP); + #if SPG_DEBUG_VIDEO if (m_debug_sprites && machine().input().code_pressed(KEYCODE_MINUS)) m_debug_blit = true; - blit(cliprect, x, y, attr, 0, bitmap_addr, tile); + if (blend) + { + if (flip_x) + blit<BlendOn, RowScrollOff, FlipXOn>(cliprect, tile_line, x, y, attr, 0, bitmap_addr, tile); + else + blit<BlendOn, RowScrollOff, FlipXOff>(cliprect, tile_line, x, y, attr, 0, bitmap_addr, tile); + } + else + { + if (flip_x) + blit<BlendOff, RowScrollOff, FlipXOn>(cliprect, tile_line, x, y, attr, 0, bitmap_addr, tile); + else + blit<BlendOff, RowScrollOff, FlipXOff>(cliprect, tile_line, x, y, attr, 0, bitmap_addr, tile); + } m_debug_blit = false; #else - blit(cliprect, x, y, attr, 0, bitmap_addr, tile); + if (blend) + { + if (flip_x) + blit<BlendOn, RowScrollOff, FlipXOn>(cliprect, tile_line, x, y, attr, 0, bitmap_addr, tile); + else + blit<BlendOn, RowScrollOff, FlipXOff>(cliprect, tile_line, x, y, attr, 0, bitmap_addr, tile); + } + else + { + if (flip_x) + blit<BlendOff, RowScrollOff, FlipXOn>(cliprect, tile_line, x, y, attr, 0, bitmap_addr, tile); + else + blit<BlendOff, RowScrollOff, FlipXOff>(cliprect, tile_line, x, y, attr, 0, bitmap_addr, tile); + } #endif } -void spg2xx_device::blit_sprites(const rectangle &cliprect, int depth) +void spg2xx_device::blit_sprites(const rectangle &cliprect, uint32_t scanline, int depth) { if (!(m_video_regs[0x42] & SPRITE_ENABLE_MASK)) { @@ -427,13 +502,13 @@ void spg2xx_device::blit_sprites(const rectangle &cliprect, int depth) #endif for (uint32_t n = 0; n < m_sprite_limit; n++) { - blit_sprite(cliprect, depth, 0x2c00 + 4 * n); + blit_sprite(cliprect, scanline, depth, 4 * n); } #if SPG_DEBUG_VIDEO } else { - blit_sprite(cliprect, depth, 0x2c00 + 4 * m_sprite_index_to_debug); + blit_sprite(cliprect, scanline, depth, 4 * m_sprite_index_to_debug); } #endif } @@ -447,12 +522,13 @@ void spg2xx_device::apply_saturation(const rectangle &cliprect) const float sat_adjust = (0xff - (m_video_regs[0x3c] & 0x00ff)) / (float)(0xff - 0x20); for (int y = cliprect.min_y; y <= cliprect.max_y; y++) { - rgbtriad_t *src = &m_screenbuf[cliprect.min_x + 320 * y]; + uint32_t *src = &m_screenbuf[cliprect.min_x + 320 * y]; for (int x = cliprect.min_x; x <= cliprect.max_x; x++) { - const float src_r = src->r * s_u8_to_float; - const float src_g = src->g * s_u8_to_float; - const float src_b = src->b * s_u8_to_float; + const uint32_t src_rgb = *src; + const float src_r = (uint8_t)(src_rgb >> 16) * s_u8_to_float; + const float src_g = (uint8_t)(src_rgb >> 8) * s_u8_to_float; + const float src_b = (uint8_t)(src_rgb >> 0) * s_u8_to_float; const float luma = src_r * s_gray_r + src_g * s_gray_g + src_b * s_gray_b; const float adjusted_r = luma + (src_r - luma) * sat_adjust; const float adjusted_g = luma + (src_g - luma) * sat_adjust; @@ -460,50 +536,55 @@ void spg2xx_device::apply_saturation(const rectangle &cliprect) const int integer_r = (int)floor(adjusted_r * 255.0f); const int integer_g = (int)floor(adjusted_g * 255.0f); const int integer_b = (int)floor(adjusted_b * 255.0f); - src->r = integer_r > 255 ? 255 : (integer_r < 0 ? 0 : (uint8_t)integer_r); - src->g = integer_g > 255 ? 255 : (integer_g < 0 ? 0 : (uint8_t)integer_g); - src->b = integer_b > 255 ? 255 : (integer_b < 0 ? 0 : (uint8_t)integer_b); - src++; + *src++ = (integer_r > 255 ? 0xff0000 : (integer_r < 0 ? 0 : ((uint8_t)integer_r << 16))) | + (integer_g > 255 ? 0x00ff00 : (integer_g < 0 ? 0 : ((uint8_t)integer_g << 8))) | + (integer_b > 255 ? 0x0000ff : (integer_b < 0 ? 0 : (uint8_t)integer_b)); } } } void spg2xx_device::apply_fade(const rectangle &cliprect) { - const uint16_t fade_offset = m_video_regs[0x30] << 1; + const uint16_t fade_offset = m_video_regs[0x30]; for (int y = cliprect.min_y; y <= cliprect.max_y; y++) { - rgbtriad_t *src = &m_screenbuf[cliprect.min_x + 320 * y]; + uint32_t *src = &m_screenbuf[cliprect.min_x + 320 * y]; for (int x = cliprect.min_x; x <= cliprect.max_x; x++) { - const uint16_t r = (uint16_t)src->r - fade_offset; - const uint16_t g = (uint16_t)src->g - fade_offset; - const uint16_t b = (uint16_t)src->b - fade_offset; - src->r = (r > src->r ? 0 : r); - src->g = (g > src->g ? 0 : g); - src->b = (b > src->b ? 0 : b); - src++; + const uint32_t src_rgb = *src; + const uint8_t src_r = (src_rgb >> 16) & 0xff; + const uint8_t src_g = (src_rgb >> 8) & 0xff; + const uint8_t src_b = (src_rgb >> 0) & 0xff; + const uint8_t r = src_r - fade_offset; + const uint8_t g = src_g - fade_offset; + const uint8_t b = src_b - fade_offset; + *src++ = (r > src_r ? 0 : (r << 16)) | + (g > src_g ? 0 : (g << 8)) | + (b > src_b ? 0 : (b << 0)); } } } uint32_t spg2xx_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { - memset(&m_screenbuf[320 * cliprect.min_y], 0, 3 * 320 * ((cliprect.max_y - cliprect.min_y) + 1)); + memset(&m_screenbuf[320 * cliprect.min_y], 0, 4 * 320 * ((cliprect.max_y - cliprect.min_y) + 1)); const uint32_t page1_addr = 0x40 * m_video_regs[0x20]; const uint32_t page2_addr = 0x40 * m_video_regs[0x21]; uint16_t *page1_regs = m_video_regs + 0x10; uint16_t *page2_regs = m_video_regs + 0x16; - for (int i = 0; i < 4; i++) + for (uint32_t scanline = (uint32_t)cliprect.min_y; scanline <= (uint32_t)cliprect.max_y; scanline++) { - if (!m_hide_page0) - blit_page(cliprect, i, page1_addr, page1_regs); - if (!m_hide_page1) - blit_page(cliprect, i, page2_addr, page2_regs); - if (!m_hide_sprites) - blit_sprites(cliprect, i); + for (int i = 0; i < 4; i++) + { + if (!SPG_DEBUG_VIDEO || !m_hide_page0) + blit_page(cliprect, scanline, i, page1_addr, page1_regs); + if (!SPG_DEBUG_VIDEO || !m_hide_page1) + blit_page(cliprect, scanline, i, page2_addr, page2_regs); + if (!SPG_DEBUG_VIDEO || !m_hide_sprites) + blit_sprites(cliprect, scanline, i); + } } if ((m_video_regs[0x3c] & 0x00ff) != 0x0020) @@ -516,15 +597,30 @@ uint32_t spg2xx_device::screen_update(screen_device &screen, bitmap_rgb32 &bitma apply_fade(cliprect); } - bitmap.fill(0, cliprect); for (int y = cliprect.min_y; y <= cliprect.max_y; y++) { uint32_t *dest = &bitmap.pix32(y, cliprect.min_x); - rgbtriad_t *src = &m_screenbuf[cliprect.min_x + 320 * y]; - for (int x = cliprect.min_x; x <= cliprect.max_x; x++) + uint32_t *src = &m_screenbuf[cliprect.min_x + 320 * y]; + memcpy(dest, src, sizeof(uint32_t) * ((cliprect.max_x - cliprect.min_x) + 1)); + } + + if (SPG_DEBUG_VIDEO && m_debug_palette) + { + for (int y = cliprect.min_y; y <= cliprect.max_y && y < 128; y++) { - *dest++ = (src->r << 16) | (src->g << 8) | src->b; - src++; + const uint16_t high_nybble = (y / 8) << 4; + uint32_t *dest = &bitmap.pix32(y, cliprect.min_x); + for (int x = cliprect.min_x; x <= cliprect.max_x && x < 256; x++) + { + const uint16_t low_nybble = x / 16; + const uint16_t palette_entry = high_nybble | low_nybble; + const uint16_t color = m_paletteram[palette_entry]; + if (!(color & 0x8000)) + { + *dest = m_rgb555_to_rgb888[color & 0x7fff]; + } + dest++; + } } } @@ -536,15 +632,22 @@ void spg2xx_device::do_sprite_dma(uint32_t len) address_space &mem = m_cpu->space(AS_PROGRAM); uint32_t src = m_video_regs[0x70] & 0x3fff; - uint32_t dst = (m_video_regs[0x71] & 0x3ff) + 0x2c00; + uint32_t dst = m_video_regs[0x71]; for (uint32_t j = 0; j < len; j++) { - mem.write_word(dst + j, mem.read_word(src + j)); + m_spriteram[(dst + j) & 0x3ff] = mem.read_word(src + j); } m_video_regs[0x72] = 0; - VIDEO_IRQ_STATUS |= 4; + if (VIDEO_IRQ_ENABLE & 4) + { + const uint16_t old = VIDEO_IRQ_STATUS; + VIDEO_IRQ_STATUS |= 4; + const uint16_t changed = old ^ (VIDEO_IRQ_ENABLE & VIDEO_IRQ_STATUS); + if (changed) + check_video_irq(); + } } READ16_MEMBER(spg2xx_device::video_r) @@ -738,9 +841,12 @@ WRITE16_MEMBER(spg2xx_device::video_w) break; case 0x72: // Sprite DMA Length + { LOGMASKED(LOG_DMA, "video_w: Sprite DMA Length = %04x\n", data & 0x03ff); - do_sprite_dma(data & 0x3ff); + uint16_t length = data & 0x3ff; + do_sprite_dma(length ? length : 0x400); break; + } default: LOGMASKED(LOG_UNKNOWN_PPU, "video_w: Unknown register %04x = %04x\n", 0x2800 + offset, data); @@ -752,7 +858,12 @@ WRITE16_MEMBER(spg2xx_device::video_w) WRITE_LINE_MEMBER(spg2xx_device::vblank) { if (!state) + { + VIDEO_IRQ_STATUS &= ~1; + LOGMASKED(LOG_IRQS, "Setting video IRQ status to %04x\n", VIDEO_IRQ_STATUS); + check_video_irq(); return; + } #if SPG_DEBUG_VIDEO if (machine().input().code_pressed_once(KEYCODE_5)) @@ -767,38 +878,22 @@ WRITE_LINE_MEMBER(spg2xx_device::vblank) m_sprite_index_to_debug--; if (machine().input().code_pressed_once(KEYCODE_0)) m_sprite_index_to_debug++; + if (machine().input().code_pressed_once(KEYCODE_L)) + m_debug_palette = !m_debug_palette; #endif -#if SPG_DEBUG_AUDIO - if (machine().input().code_pressed_once(KEYCODE_3)) - m_debug_samples = !m_debug_samples; - if (machine().input().code_pressed_once(KEYCODE_4)) - m_debug_rates = !m_debug_rates; - if (machine().input().code_pressed_once(KEYCODE_1)) + if (VIDEO_IRQ_ENABLE & 1) { - m_channel_debug--; - if (m_channel_debug < -1) - m_channel_debug = 15; - } - if (machine().input().code_pressed_once(KEYCODE_2)) - { - m_channel_debug++; - if (m_channel_debug == 16) - m_channel_debug = -1; - } -#endif - - const uint16_t old = VIDEO_IRQ_ENABLE & VIDEO_IRQ_STATUS; - VIDEO_IRQ_STATUS |= 1; - LOGMASKED(LOG_IRQS, "Setting video IRQ status to %04x\n", VIDEO_IRQ_STATUS); - const uint16_t changed = old ^ (VIDEO_IRQ_ENABLE & VIDEO_IRQ_STATUS); - if (changed) + VIDEO_IRQ_STATUS |= 1; + LOGMASKED(LOG_IRQS, "Setting video IRQ status to %04x\n", VIDEO_IRQ_STATUS); check_video_irq(); + } } void spg2xx_device::check_video_irq() { - m_cpu->set_input_line(UNSP_IRQ0_LINE, (VIDEO_IRQ_STATUS & VIDEO_IRQ_ENABLE) ? ASSERT_LINE : CLEAR_LINE); + LOGMASKED(LOG_IRQS, "%ssserting IRQ0 (%04x, %04x)\n", (VIDEO_IRQ_STATUS & VIDEO_IRQ_ENABLE) ? "A" : "Dea", VIDEO_IRQ_STATUS, VIDEO_IRQ_ENABLE); + m_cpu->set_state_unsynced(UNSP_IRQ0_LINE, (VIDEO_IRQ_STATUS & VIDEO_IRQ_ENABLE) ? ASSERT_LINE : CLEAR_LINE); } @@ -806,588 +901,66 @@ void spg2xx_device::check_video_irq() * Machine Hardware * *************************/ -void spg2xx_device::uart_rx(uint8_t data) +READ16_MEMBER(spg2xx_device::dma_r) { - if (!m_uart_rx_available) - { - if (BIT(m_io_regs[0x30], 6)) - { - m_io_regs[0x36] = data; - if (BIT(m_io_regs[0x30], 0)) - { - IO_IRQ_STATUS |= 0x0100; - check_irqs(0x0100); - } - m_uart_rx_available = true; - } - } - else if (m_uart_rx_fifo_count == ARRAY_LENGTH(m_uart_rx_fifo)) - { - m_io_regs[0x37] |= 0x4000; - } - else - { - m_uart_rx_fifo[m_uart_rx_fifo_end] = data; - m_uart_rx_fifo_end = (m_uart_rx_fifo_end + 1) % ARRAY_LENGTH(m_uart_rx_fifo); - m_uart_rx_fifo_count++; - } -} - -READ16_MEMBER(spg2xx_device::io_r) -{ - static const char *const gpioregs[] = { "GPIO Data Port", "GPIO Buffer Port", "GPIO Direction Port", "GPIO Attribute Port", "GPIO IRQ/Latch Port" }; - static const char gpioports[] = { 'A', 'B', 'C' }; - - uint16_t val = m_io_regs[offset]; - + uint16_t val = m_dma_regs[offset]; switch (offset) { - case 0x01: case 0x06: case 0x0b: // GPIO Data Port A/B/C - do_gpio(offset); - LOGMASKED(LOG_GPIO, "io_r: %s %c = %04x\n", gpioregs[(offset - 1) % 5], gpioports[(offset - 1) / 5], m_io_regs[offset]); - val = m_io_regs[offset]; - break; - - case 0x02: case 0x03: case 0x04: case 0x05: - case 0x07: case 0x08: case 0x09: case 0x0a: - case 0x0c: case 0x0d: case 0x0e: case 0x0f: // Other GPIO regs - LOGMASKED(LOG_GPIO, "io_r: %s %c = %04x\n", gpioregs[(offset - 1) % 5], gpioports[(offset - 1) / 5], m_io_regs[offset]); - break; - - case 0x10: // Timebase Control - LOGMASKED(LOG_IO_READS, "io_r: Timebase Control = %04x\n", val); - break; - case 0x1c: // Video line counter - val = m_screen->vpos(); - LOGMASKED(LOG_VLINES, "io_r: Video Line = %04x\n", val); + case 0x000: // DMA Source (L) + LOGMASKED(LOG_DMA, "dma_r: DMA Source (lo) = %04x\n", val); break; - case 0x20: // System Control - LOGMASKED(LOG_IO_READS, "io_r: System Control = %04x\n", val); + case 0x001: // DMA Source (H) + LOGMASKED(LOG_DMA, "dma_r: DMA Source (hi) = %04x\n", val); break; - case 0x21: // IRQ Control - LOGMASKED(LOG_IRQS, "io_r: I/O IRQ Control = %04x\n", val); - break; - - case 0x22: // IRQ Status - LOGMASKED(LOG_IRQS, "io_r: I/O IRQ Status = %04x\n", val); - break; - - case 0x23: // External Memory Control - LOGMASKED(LOG_IO_READS, "io_r: Ext. Memory Control = %04x\n", val); - break; - - case 0x25: // ADC Control - LOGMASKED(LOG_IO_READS, "io_r: ADC Control = %04x\n", val); - break; - - case 0x27: // ADC Data - m_io_regs[0x27] = 0; - LOGMASKED(LOG_IO_READS, "io_r: ADC Data = %04x\n", val); - break; - - case 0x29: // Wakeup Source - LOGMASKED(LOG_IO_READS, "io_r: Wakeup Source = %04x\n", val); - break; - - case 0x2b: - LOGMASKED(LOG_IO_READS, "io_r: NTSC/PAL = %04x\n", m_pal_flag); - return m_pal_flag; - - case 0x2c: case 0x2d: // PRNG 0/1 - val = machine().rand() & 0x0000ffff; - LOGMASKED(LOG_IO_READS, "io_r: PRNG %d = %04x\n", offset - 0x2c, val); - break; - - case 0x2e: // FIQ Source Select - LOGMASKED(LOG_IRQS, "io_r: FIQ Source Select = %04x\n", val); - break; - - case 0x2f: // Data Segment - val = m_cpu->state_int(UNSP_SR) >> 10; - LOGMASKED(LOG_SEGMENT, "io_r: Data Segment = %04x\n", val); - break; - - case 0x31: // UART Status - val |= (m_uart_rx_available ? 0x81 : 0); - LOGMASKED(LOG_UART, "io_r: UART Status = %04x\n", val); - break; - - case 0x36: // UART RX Data - if (m_uart_rx_available) - { - if (m_uart_rx_fifo_count) - { - m_io_regs[0x36] = m_uart_rx_fifo[m_uart_rx_fifo_start]; - m_uart_rx_fifo_start = (m_uart_rx_fifo_start + 1) % ARRAY_LENGTH(m_uart_rx_fifo); - m_uart_rx_fifo_count--; - } - else - { - m_uart_rx_available = false; - } - } - else - { - m_io_regs[0x37] |= 0x2000; - } - LOGMASKED(LOG_UART, "%s: io_r: UART Rx Data = %04x\n", machine().describe_context(), val); - break; - - case 0x37: // UART Rx FIFO Control - val &= ~0x0070; - val |= (m_uart_rx_available ? 7 : 0) << 4; - LOGMASKED(LOG_UART, "io_r: UART Rx FIFO Control = %04x\n", val); - break; - - case 0x59: // I2C Status - LOGMASKED(LOG_I2C, "io_r: I2C Status = %04x\n", val); - break; - - case 0x5e: // I2C Data In - LOGMASKED(LOG_I2C, "io_r: I2C Data In = %04x\n", val); - break; - - case 0x100: // DMA Source (L) - LOGMASKED(LOG_DMA, "io_r: DMA Source (lo) = %04x\n", val); - break; - - case 0x101: // DMA Source (H) - LOGMASKED(LOG_DMA, "io_r: DMA Source (hi) = %04x\n", val); - break; - - case 0x102: // DMA Length - LOGMASKED(LOG_DMA, "io_r: DMA Length = %04x\n", 0); + case 0x002: // DMA Length + LOGMASKED(LOG_DMA, "dma_r: DMA Length = %04x\n", 0); val = 0; break; - case 0x103: // DMA Destination - LOGMASKED(LOG_DMA, "io_r: DMA Dest = %04x\n", val); + case 0x003: // DMA Destination + LOGMASKED(LOG_DMA, "dma_r: DMA Dest = %04x\n", val); break; default: - LOGMASKED(LOG_UNKNOWN_IO, "io_r: Unknown register %04x\n", 0x3d00 + offset); + LOGMASKED(LOG_UNKNOWN_IO, "dma_r: Unknown register %04x\n", 0x3d00 + offset); break; } return val; } -void spg2xx_device::update_porta_special_modes() -{ - static const char* const s_pa_special[4][16] = - { - // Input, Special 0 - // Input, Special 1 - // Output, Special 0 - // Output, Special 1 - - { "LP", "ExtClk2", "ExtClk1", "-", "SDA", "SlvRDY", "-", "-", "SPICLK", "-", "RxD", "SPISSB", "-", "-", "-", "-" }, - { "-", "-", "-", "SCK", "-", "SWS", "-", "-", "-", "-", "-", "-", "IRQ2B", "-", "-", "IRQ1B" }, - { "-", "-", "-", "SCK", "SDA", "SWS", "-", "-", "SPICLK", "TxD", "-", "SPISSB", "TAPWM", "TM1", "TBPWM", "TM2" }, - { "CSB3", "CSB2", "CSB1", "SCK", "SDA", "VSYNC", "HSYNC", "SYSCLK3", "SPICLK", "TxD", "SWS", "SPISSB", "-", "VSYNC", "HSYNC", "CSYNC" }, - }; - for (int bit = 15; bit >= 0; bit--) - { - if (!BIT(m_io_regs[0x05], bit)) - continue; - uint8_t type = (BIT(m_io_regs[0x03], bit) << 1) | BIT(m_io_regs[0x00], 0); - LOGMASKED(LOG_GPIO, " Bit %2d: %s\n", bit, s_pa_special[type][bit]); - } -} - -void spg2xx_device::update_portb_special_modes() -{ - static const char* const s_pb_special[4][8] = - { - // Input, Special 0 - // Input, Special 1 - // Output, Special 0 - // Output, Special 1 - - { "-", "-", "-", "-", "-", "-", "SDA", "SlvRDY" }, - { "-", "-", "-", "-", "-", "-", "SDA", "SlvRDY" }, - { "VSYNC", "HSYNC", "CSYNC", "-", "-", "SCK", "SDA", "SWS" }, - { "CSB3", "CSB2", "CSB1", "TBPWM", "TM2", "-", "-", "SYSCLK2" }, - }; - for (int bit = 7; bit >= 0; bit--) - { - if (!BIT(m_io_regs[0x0a], bit)) - continue; - uint8_t type = (BIT(m_io_regs[0x08], bit) << 1) | BIT(m_io_regs[0x00], 1); - LOGMASKED(LOG_GPIO, " Bit %2d: %s\n", bit, s_pb_special[type][bit]); - } -} -WRITE16_MEMBER(spg2xx_device::io_w) +WRITE16_MEMBER(spg2xx_device::dma_w) { - static const char *const gpioregs[] = { "GPIO Data Port", "GPIO Buffer Port", "GPIO Direction Port", "GPIO Attribute Port", "GPIO IRQ/Latch Port" }; - static const char gpioports[3] = { 'A', 'B', 'C' }; - switch (offset) { - case 0x00: // GPIO special function select - { - LOGMASKED(LOG_GPIO, "io_w: GPIO Configuration = %04x (IOBWake:%d, IOAWake:%d, IOBSpecSel:%d, IOASpecSel:%d)\n", data - , BIT(data, 4), BIT(data, 3), BIT(data, 1), BIT(data, 0)); - const uint16_t old = m_io_regs[offset]; - m_io_regs[offset] = data; - const uint16_t changed = old ^ data; - if (BIT(changed, 0)) - update_porta_special_modes(); - if (BIT(changed, 1)) - update_portb_special_modes(); + case 0x000: // DMA Source (lo) + LOGMASKED(LOG_DMA, "dma_w: DMA Source (lo) = %04x\n", data); + m_dma_regs[offset] = data; break; - } - case 0x01: case 0x06: case 0x0b: // GPIO data, port A/B/C - offset++; - // Intentional fallthrough - we redirect data register writes to the buffer register. - - case 0x02: case 0x04: // Port A - case 0x07: case 0x09: // Port B - case 0x0c: case 0x0d: case 0x0e: case 0x0f: // Port C - LOGMASKED(LOG_GPIO, "io_w: %s %c = %04x\n", gpioregs[(offset - 1) % 5], gpioports[(offset - 1) / 5], data); - m_io_regs[offset] = data; - do_gpio(offset); - break; - - case 0x03: // Port A Direction - LOGMASKED(LOG_GPIO, "io_w: GPIO Direction Port A = %04x\n", data); - m_io_regs[offset] = data; - update_porta_special_modes(); - do_gpio(offset); + case 0x001: // DMA Source (hi) + LOGMASKED(LOG_DMA, "dma_w: DMA Source (hi) = %04x\n", data); + m_dma_regs[offset] = data; break; - case 0x08: // Port B Direction - LOGMASKED(LOG_GPIO, "io_w: GPIO Direction Port B = %04x\n", data); - m_io_regs[offset] = data; - update_portb_special_modes(); - do_gpio(offset); + case 0x002: // DMA Length + LOGMASKED(LOG_DMA, "dma_w: DMA Length = %04x\n", data); + if (!(data & 0xc000)) // jak_dora writes 0xffff here which ends up trashing registers etc. why? such writes can't be valid + do_cpu_dma(data); break; - case 0x05: // Port A Special - LOGMASKED(LOG_GPIO, "io_w: Port A Special Function Select: %04x\n", data); - m_io_regs[offset] = data; - update_porta_special_modes(); - break; - - case 0x0a: // Port B Special - LOGMASKED(LOG_GPIO, "io_w: Port B Special Function Select: %04x\n", data); - m_io_regs[offset] = data; - update_portb_special_modes(); - break; - - case 0x10: // Timebase Control - { - static const char* const s_tmb1_sel[2][4] = - { - { "8Hz", "16Hz", "32Hz", "64Hz" }, - { "12kHz", "24kHz", "40kHz", "40kHz" } - }; - static const char* const s_tmb2_sel[2][4] = - { - { "128Hz", "256Hz", "512Hz", "1024Hz" }, - { "105kHz", "210kHz", "420kHz", "840kHz" } - }; - static const uint32_t s_tmb1_freq[2][4] = - { - { 8, 16, 32, 64 }, - { 12000, 24000, 40000, 40000 } - }; - static const uint32_t s_tmb2_freq[2][4] = - { - { 128, 256, 512, 1024 }, - { 105000, 210000, 420000, 840000 } - }; - LOGMASKED(LOG_IO_WRITES, "io_w: Timebase Control = %04x (Source:%s, TMB2:%s, TMB1:%s)\n", data, - BIT(data, 4) ? "27MHz" : "32768Hz", s_tmb2_sel[BIT(data, 4)][(data >> 2) & 3], s_tmb1_sel[BIT(data, 4)][data & 3]); - const uint16_t old = m_io_regs[offset]; - m_io_regs[offset] = data; - const uint16_t changed = old ^ m_io_regs[offset]; - if (changed & 0x001f) - { - const uint8_t hifreq = BIT(data, 4); - if (changed & 0x0013) - { - const uint32_t freq = s_tmb1_freq[hifreq][data & 3]; - m_tmb1->adjust(attotime::from_hz(freq), 0, attotime::from_hz(freq)); - } - if (changed & 0x001c) - { - const uint32_t freq = s_tmb2_freq[hifreq][(data >> 2) & 3]; - m_tmb2->adjust(attotime::from_hz(freq), 0, attotime::from_hz(freq)); - } - } - break; - } - - case 0x11: // Timebase Clear - LOGMASKED(LOG_IO_WRITES, "io_w: Timebase Clear = %04x\n", data); - break; - - case 0x20: // System Control - { - static const char* const s_sysclk[4] = { "13.5MHz", "27MHz", "27MHz NoICE", "54MHz" }; - static const char* const s_lvd_voltage[4] = { "2.7V", "2.9V", "3.1V", "3.3V" }; - static const char* const s_weak_strong[2] = { "Weak", "Strong" }; - LOGMASKED(LOG_IO_WRITES, "io_w: System Control = %04x (Watchdog:%d, Sleep:%d, SysClk:%s, SysClkInv:%d, LVROutEn:%d, LVREn:%d\n" - , data, BIT(data, 15), BIT(data, 14), s_sysclk[(data >> 12) & 3], BIT(data, 11), BIT(data, 9), BIT(data, 8)); - LOGMASKED(LOG_IO_WRITES, " LVDEn:%d, LVDVoltSel:%s, 32kHzDisable:%d, StrWkMode:%s, VDACDisable:%d, ADACDisable:%d, ADACOutDisable:%d)\n" - , BIT(data, 7), s_lvd_voltage[(data >> 5) & 3], BIT(data, 4), s_weak_strong[BIT(data, 3)], BIT(data, 2), BIT(data, 1), BIT(data, 0)); - m_io_regs[offset] = data; - break; - } - - case 0x21: // IRQ Enable - { - LOGMASKED(LOG_IRQS, "io_w: IRQ Enable = %04x\n", data); - const uint16_t old = IO_IRQ_ENABLE & IO_IRQ_STATUS; - m_io_regs[offset] = data; - const uint16_t changed = old ^ (IO_IRQ_ENABLE & IO_IRQ_STATUS); - if (changed) - check_irqs(changed); - break; - } - - case 0x22: // IRQ Acknowledge - { - LOGMASKED(LOG_IRQS, "io_w: IRQ Acknowledge = %04x\n", data); - const uint16_t old = IO_IRQ_STATUS; - IO_IRQ_STATUS &= ~data; - const uint16_t changed = old ^ (IO_IRQ_ENABLE & IO_IRQ_STATUS); - if (changed) - check_irqs(changed); - break; - } - - case 0x23: // External Memory Control - { - static const char* const s_bus_arb[8] = - { - "Forbidden", "Forbidden", "Forbidden", "Forbidden", "Forbidden", "1:SPU/2:PPU/3:CPU", "Forbidden", "1:PPU/2:SPU/3:CPU" - }; - static const char* const s_addr_decode[4] = - { - "ROMCSB: 4000-3fffff, CSB1: ---, CSB2: ---, CSB3: ---", - "ROMCSB: 4000-1fffff, CSB1: 200000-3fffff, CSB2: ---, CSB3: ---", - "ROMCSB: 4000-0fffff, CSB1: 100000-1fffff, CSB2: 200000-2fffff, CSB3: 300000-3fffff", - "ROMCSB: 4000-0fffff, CSB1: 100000-1fffff, CSB2: 200000-2fffff, CSB3: 300000-3fffff" - }; - static const char* const s_ram_decode[16] = - { - "None", "None", "None", "None", "None", "None", "None", "None", - "4KW, 3ff000-3fffff\n", - "8KW, 3fe000-3fffff\n", - "16KW, 3fc000-3fffff\n", - "32KW, 3f8000-3fffff\n", - "64KW, 3f0000-3fffff\n", - "128KW, 3e0000-3fffff\n", - "256KW, 3c0000-3fffff\n", - "512KW, 380000-3fffff\n" - }; - LOGMASKED(LOG_IO_WRITES, "io_w: Ext. Memory Control (not yet implemented) = %04x:\n", data); - LOGMASKED(LOG_IO_WRITES, " WaitStates:%d, BusArbPrio:%s\n", (data >> 1) & 3, s_bus_arb[(data >> 3) & 7]); - LOGMASKED(LOG_IO_WRITES, " ROMAddrDecode:%s\n", s_addr_decode[(data >> 6) & 3]); - LOGMASKED(LOG_IO_WRITES, " RAMAddrDecode:%s\n", s_ram_decode[(data >> 8) & 15]); - m_chip_sel((data >> 6) & 3); - m_io_regs[offset] = data; - break; - } - - case 0x24: // Watchdog - LOGMASKED(LOG_WATCHDOG, "io_w: Watchdog Pet = %04x\n", data); - break; - - case 0x25: // ADC Control - { - LOGMASKED(LOG_IO_WRITES, "io_w: ADC Control = %04x\n", data); - //const uint16_t changed = m_io_regs[offset] ^ data; - m_io_regs[offset] = data; - //if (BIT(changed, 12) && BIT(data, 12) && !BIT(m_io_regs[offset], 1)) - { - //m_io_regs[0x27] = 0x80ff; - //const uint16_t old = IO_IRQ_STATUS; - //IO_IRQ_STATUS |= 0x2000; - //const uint16_t changed = IO_IRQ_STATUS ^ old; - //if (changed) - //check_irqs(changed); - } - break; - } - - case 0x28: // Sleep Mode - LOGMASKED(LOG_IO_WRITES, "io_w: Sleep Mode (%s enter value) = %04x\n", data == 0xaa55 ? "valid" : "invalid", data); - m_io_regs[offset] = data; - break; - - case 0x29: // Wakeup Source - { - m_io_regs[offset] = data; - static const char* const s_sources[8] = - { - "TMB1", "TMB2", "2Hz", "4Hz", "1024Hz", "2048Hz", "4096Hz", "Key" - }; - - LOGMASKED(LOG_IO_WRITES, "io_w: Wakeup Source = %04x:\n", data); - bool comma = false; - char buf[1024]; - int char_idx = 0; - for (int i = 7; i >= 0; i--) - { - if (BIT(data, i)) - { - char_idx += sprintf(&buf[char_idx], "%s%s", comma ? ", " : "", s_sources[i]); - comma = true; - } - } - buf[char_idx] = 0; - LOGMASKED(LOG_IO_WRITES, " %s\n", buf); - break; - } - - case 0x2e: // FIQ Source Select - { - static const char* const s_fiq_select[8] = - { - "PPU", "SPU Channel", "Timer A", "Timer B", "UART/SPI", "External", "Reserved", "None" - }; - LOGMASKED(LOG_IRQS, "io_w: FIQ Source Select (not yet implemented) = %04x, %s\n", data, s_fiq_select[data & 7]); - m_io_regs[offset] = data; - break; - } - - case 0x2f: // Data Segment - { - uint16_t ds = m_cpu->state_int(UNSP_SR); - m_cpu->set_state_int(UNSP_SR, (ds & 0x03ff) | ((data & 0x3f) << 10)); - LOGMASKED(LOG_SEGMENT, "io_w: Data Segment = %04x\n", data); - break; - } - - case 0x30: // UART Control - { - static const char* const s_9th_bit[4] = { "0", "1", "Odd", "Even" }; - LOGMASKED(LOG_UART, "io_w: UART Control = %04x (TxEn:%d, RxEn:%d, Bits:%d, MultiProc:%d, 9thBit:%s, TxIntEn:%d, RxIntEn:%d\n", data - , BIT(data, 7), BIT(data, 6), BIT(data, 5) ? 9 : 8, BIT(data, 4), s_9th_bit[(data >> 2) & 3], BIT(data, 1), BIT(data, 0)); - const uint16_t changed = m_io_regs[offset] ^ data; - m_io_regs[offset] = data; - if (!BIT(data, 6)) - { - m_uart_rx_available = false; - m_io_regs[0x36] = 0; - } - if (BIT(changed, 7) && BIT(data, 7)) - { - m_io_regs[0x31] |= 0x0002; - } - break; - } - - case 0x31: // UART Status - LOGMASKED(LOG_UART, "io_w: UART Status = %04x\n", data); - m_io_regs[offset] &= ~data; - break; - - case 0x33: // UART Baud Rate (low byte) - case 0x34: // UART Baud Rate (high byte) - { - m_io_regs[offset] = data; - const uint32_t divisor = 16 * (0x10000 - ((m_io_regs[0x34] << 8) | m_io_regs[0x33])); - LOGMASKED(LOG_UART, "io_w: UART Baud Rate (%s byte): Baud rate = %d\n", offset == 0x33 ? "low" : "high", 27000000 / divisor); - break; - } - - case 0x35: // UART TX Data - LOGMASKED(LOG_UART, "io_w: UART Tx Data = %02x\n", data & 0x00ff); - m_io_regs[offset] = data; - m_uart_tx((uint8_t)data); - m_io_regs[0x31] |= 2; - break; - - case 0x36: // UART RX Data - LOGMASKED(LOG_UART, "io_w: UART Rx Data (read-only) = %04x\n", data); - break; - - case 0x37: // UART Rx FIFO Control - LOGMASKED(LOG_UART, "io_w: UART Rx FIFO Control = %04x (Reset:%d, Overrun:%d, Underrun:%d, Count:%d, Threshold:%d)\n", data - , BIT(data, 15), BIT(data, 14), BIT(data, 13), (data >> 4) & 7, data & 7); - if (data & 0x8000) - { - m_uart_rx_available = false; - m_io_regs[0x36] = 0; - } - m_io_regs[offset] &= ~data & 0x6000; - m_io_regs[offset] &= ~0x0007; - m_io_regs[offset] |= data & 0x0007; - break; - - case 0x58: // I2C Command - LOGMASKED(LOG_I2C, "io_w: I2C Command = %04x\n", data); - m_io_regs[offset] = data; - do_i2c(); - break; - - case 0x59: // I2C Status / Acknowledge - LOGMASKED(LOG_I2C, "io_w: I2C Acknowledge = %04x\n", data); - m_io_regs[offset] &= ~data; - break; - - case 0x5a: // I2C Access Mode - LOGMASKED(LOG_I2C, "io_w: I2C Access Mode = %04x\n", data); - m_io_regs[offset] = data; - break; - - case 0x5b: // I2C Device Address - LOGMASKED(LOG_I2C, "io_w: I2C Device Address = %04x\n", data); - m_io_regs[offset] = data; - break; - - case 0x5c: // I2C Sub-Address - LOGMASKED(LOG_I2C, "io_w: I2C Sub-Address = %04x\n", data); - m_io_regs[offset] = data; - break; - - case 0x5d: // I2C Data Out - LOGMASKED(LOG_I2C, "io_w: I2C Data Out = %04x\n", data); - m_io_regs[offset] = data; - break; - - case 0x5e: // I2C Data In - LOGMASKED(LOG_I2C, "io_w: I2C Data In = %04x\n", data); - m_io_regs[offset] = data; - break; - - case 0x5f: // I2C Controller Mode - LOGMASKED(LOG_I2C, "io_w: I2C Controller Mode = %04x\n", data); - m_io_regs[offset] = data; - break; - - case 0x100: // DMA Source (lo) - LOGMASKED(LOG_DMA, "io_w: DMA Source (lo) = %04x\n", data); - m_io_regs[offset] = data; - break; - - case 0x101: // DMA Source (hi) - LOGMASKED(LOG_DMA, "io_w: DMA Source (hi) = %04x\n", data); - m_io_regs[offset] = data; - break; - - case 0x103: // DMA Destination - LOGMASKED(LOG_DMA, "io_w: DMA Dest = %04x\n", data); - m_io_regs[offset] = data; - break; - - case 0x102: // DMA Length - LOGMASKED(LOG_DMA, "io_w: DMA Length = %04x\n", data); - do_cpu_dma(data); + case 0x003: // DMA Destination + LOGMASKED(LOG_DMA, "dma_w: DMA Dest = %04x\n", data); + m_dma_regs[offset] = data; break; default: - LOGMASKED(LOG_UNKNOWN_IO, "io_w: Unknown register %04x = %04x\n", 0x3d00 + offset, data); - m_io_regs[offset] = data; + LOGMASKED(LOG_UNKNOWN_IO, "dma_w: Unknown register %04x = %04x\n", 0x3d00 + offset, data); + m_dma_regs[offset] = data; break; } } @@ -1396,145 +969,29 @@ void spg2xx_device::device_timer(emu_timer &timer, device_timer_id id, int param { switch (id) { - case TIMER_TMB1: - { - LOGMASKED(LOG_TIMERS, "TMB1 elapsed, setting IRQ Status bit 0 (old:%04x, new:%04x, enable:%04x)\n", IO_IRQ_STATUS, IO_IRQ_STATUS | 1, IO_IRQ_ENABLE); - IO_IRQ_STATUS |= 1; - check_irqs(0x0001); - break; - } - - case TIMER_TMB2: - { - LOGMASKED(LOG_TIMERS, "TMB2 elapsed, setting IRQ Status bit 1 (old:%04x, new:%04x, enable:%04x)\n", IO_IRQ_STATUS, IO_IRQ_STATUS | 2, IO_IRQ_ENABLE); - IO_IRQ_STATUS |= 2; - check_irqs(0x0002); - break; - } - case TIMER_SCREENPOS: { - const uint16_t old = VIDEO_IRQ_ENABLE & VIDEO_IRQ_STATUS; - VIDEO_IRQ_STATUS |= 2; - const uint16_t changed = old ^ (VIDEO_IRQ_ENABLE & VIDEO_IRQ_STATUS); - if (changed) + if (VIDEO_IRQ_ENABLE & 2) { + VIDEO_IRQ_STATUS |= 2; check_video_irq(); } m_screen->update_partial(m_screen->vpos()); - break; - } - case TIMER_BEAT: - { - audio_frame_tick(); + // fire again, jak_dbz pinball needs this + m_screenpos_timer->adjust(m_screen->time_until_pos(m_video_regs[0x36], m_video_regs[0x37] << 1)); break; } } } -void spg2xx_device::check_irqs(const uint16_t changed) -{ - // { - // m_cpu->set_input_line(UNSP_IRQ1_LINE, ASSERT_LINE); - // } - - if (changed & 0x0c00) // Timer A, Timer B IRQ - { - LOGMASKED(LOG_IRQS, "%ssserting IRQ2 (%04x)\n", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b) ? "A" : "Dea", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b)); - m_cpu->set_input_line(UNSP_IRQ2_LINE, (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x0c00) ? ASSERT_LINE : CLEAR_LINE); - } - - if (changed & 0x2100) // UART, ADC IRQ - { - LOGMASKED(LOG_IRQS, "%ssserting IRQ3 (%04x)\n", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b) ? "A" : "Dea", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b)); - m_cpu->set_input_line(UNSP_IRQ3_LINE, (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x2100) ? ASSERT_LINE : CLEAR_LINE); - } - - if (changed & (AUDIO_BIS_MASK | AUDIO_BIE_MASK)) // Beat IRQ - { - if ((m_audio_regs[AUDIO_BEAT_COUNT] & (AUDIO_BIS_MASK | AUDIO_BIE_MASK)) == (AUDIO_BIS_MASK | AUDIO_BIE_MASK)) - { - LOGMASKED(LOG_BEAT, "Asserting beat IRQ\n"); - m_cpu->set_input_line(UNSP_IRQ4_LINE, ASSERT_LINE); - } - else - { - LOGMASKED(LOG_BEAT, "Clearing beat IRQ\n"); - m_cpu->set_input_line(UNSP_IRQ4_LINE, CLEAR_LINE); - } - } - - if (changed & 0x1200) // External IRQ - { - LOGMASKED(LOG_IRQS, "%ssserting IRQ5 (%04x)\n", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b) ? "A" : "Dea", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b)); - m_cpu->set_input_line(UNSP_IRQ5_LINE, (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x1200) ? ASSERT_LINE : CLEAR_LINE); - } - - if (changed & 0x0070) // 1024Hz, 2048Hz, 4096Hz IRQ - { - LOGMASKED(LOG_IRQS, "%ssserting IRQ6 (%04x)\n", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b) ? "A" : "Dea", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b)); - m_cpu->set_input_line(UNSP_IRQ6_LINE, (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x0070) ? ASSERT_LINE : CLEAR_LINE); - } - - if (changed & 0x008b) // TMB1, TMB2, 4Hz, key change IRQ - { - LOGMASKED(LOG_IRQS, "%ssserting IRQ7 (%04x)\n", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b) ? "A" : "Dea", (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b)); - m_cpu->set_input_line(UNSP_IRQ7_LINE, (IO_IRQ_ENABLE & IO_IRQ_STATUS & 0x008b) ? ASSERT_LINE : CLEAR_LINE); - } -} - -void spg2xx_device::do_gpio(uint32_t offset) -{ - uint32_t index = (offset - 1) / 5; - uint16_t buffer = m_io_regs[5 * index + 2]; - uint16_t dir = m_io_regs[5 * index + 3]; - uint16_t attr = m_io_regs[5 * index + 4]; - uint16_t special = m_io_regs[5 * index + 5]; - - uint16_t push = dir; - uint16_t pull = (~dir) & (~attr); - uint16_t what = (buffer & (push | pull)); - what ^= (dir & ~attr); - what &= ~special; - - switch (index) - { - case 0: - m_porta_out(0, what, push &~ special); - what = (what & ~pull) | (m_porta_in(0, pull &~ special) & pull); - break; - case 1: - m_portb_out(0, what, push &~ special); - what = (what & ~pull) | (m_portb_in(0, pull &~ special) & pull); - break; - case 2: - m_portc_out(0, what, push &~ special); - what = (what & ~pull) | (m_portc_in(0, pull &~ special) & pull); - break; - } - - m_io_regs[5 * index + 1] = what; -} - -void spg2xx_device::do_i2c() -{ - const uint16_t addr = ((m_io_regs[0x5b] & 0x06) << 7) | (uint8_t)m_io_regs[0x5c]; - - if (m_io_regs[0x58] & 0x40) // Serial EEPROM read - m_io_regs[0x5e] = m_eeprom_r(addr); - else - m_eeprom_w(addr, m_io_regs[0x5d]); - - m_io_regs[0x59] |= 1; -} void spg2xx_device::do_cpu_dma(uint32_t len) { address_space &mem = m_cpu->space(AS_PROGRAM); - uint32_t src = ((m_io_regs[0x101] & 0x3f) << 16) | m_io_regs[0x100]; - uint32_t dst = m_io_regs[0x103] & 0x3fff; + uint32_t src = ((m_dma_regs[0x001] & 0x3f) << 16) | m_dma_regs[0x000]; + uint32_t dst = m_dma_regs[0x003] & 0x3fff; for (uint32_t j = 0; j < len; j++) { @@ -1542,1128 +999,56 @@ void spg2xx_device::do_cpu_dma(uint32_t len) } src += len; - m_io_regs[0x100] = (uint16_t)src; - m_io_regs[0x101] = (src >> 16) & 0x3f; - m_io_regs[0x102] = 0; - m_io_regs[0x103] = (dst + len) & 0x3fff; -} - -/*********************** -* Audio Hardware * -***********************/ - -READ16_MEMBER(spg2xx_device::audio_r) -{ - const uint16_t channel = (offset & 0x00f0) >> 4; - uint16_t data = m_audio_regs[offset]; - - if (offset >= 0x400) - { - switch (offset) - { - case AUDIO_CHANNEL_ENABLE: - LOGMASKED(LOG_SPU_READS, "audio_r: Channel Enable: %04x\n", data); - break; - - case AUDIO_MAIN_VOLUME: - LOGMASKED(LOG_SPU_READS, "audio_r: Main Volume: %04x\n", data); - break; - - case AUDIO_CHANNEL_FIQ_ENABLE: - LOGMASKED(LOG_SPU_READS | LOG_IRQS, "audio_r: Channel FIQ Enable: %04x\n", data); - break; - - case AUDIO_CHANNEL_FIQ_STATUS: - LOGMASKED(LOG_SPU_READS | LOG_IRQS, "audio_r: Channel FIQ Acknowledge: %04x\n", data); - break; - - case AUDIO_BEAT_BASE_COUNT: - LOGMASKED(LOG_SPU_READS | LOG_BEAT, "audio_r: Beat Base Count: %04x\n", data); - break; - - case AUDIO_BEAT_COUNT: - LOGMASKED(LOG_SPU_READS | LOG_BEAT, "audio_r: Beat Count: %04x\n", data); - break; - - case AUDIO_ENVCLK0: - case AUDIO_ENVCLK1: - LOGMASKED(LOG_SPU_READS | LOG_ENVELOPES, "audio_r: Envelope Interval %d (lo): %04x\n", offset == AUDIO_ENVCLK0 ? 0 : 1, data); - break; - - case AUDIO_ENVCLK0_HIGH: - case AUDIO_ENVCLK1_HIGH: - LOGMASKED(LOG_SPU_READS | LOG_ENVELOPES, "audio_r: Envelope Interval %d (hi): %04x\n", offset == AUDIO_ENVCLK0_HIGH ? 0 : 1, data); - break; - - case AUDIO_ENV_RAMP_DOWN: - LOGMASKED(LOG_SPU_READS | LOG_RAMPDOWN, "audio_r: Envelope Fast Ramp Down: %04x\n", data); - break; - - case AUDIO_CHANNEL_STOP: - LOGMASKED(LOG_SPU_READS, "audio_r: Channel Stop Status: %04x\n", data); - break; - - case AUDIO_CHANNEL_ZERO_CROSS: - LOGMASKED(LOG_SPU_READS, "audio_r: Channel Zero-Cross Enable: %04x\n", data); - break; - - case AUDIO_CONTROL: - LOGMASKED(LOG_SPU_READS, "audio_r: Control: %04x\n", data); - break; - - case AUDIO_COMPRESS_CTRL: - LOGMASKED(LOG_SPU_READS, "audio_r: Compressor Control: %04x\n", data); - break; - - case AUDIO_CHANNEL_STATUS: - LOGMASKED(LOG_SPU_READS, "audio_r: Channel Status: %04x\n", data); - break; - - case AUDIO_WAVE_IN_L: - LOGMASKED(LOG_SPU_READS, "audio_r: Wave In (L) / FIFO Write Data: %04x\n", data); - break; - - case AUDIO_WAVE_IN_R: - LOGMASKED(LOG_SPU_READS, "audio_r: Wave In (R) / Software Channel FIFO IRQ Control: %04x\n", data); - break; - - case AUDIO_WAVE_OUT_L: - LOGMASKED(LOG_SPU_READS, "audio_r: Wave Out (L): %04x\n", data); - break; - - case AUDIO_WAVE_OUT_R: - LOGMASKED(LOG_SPU_READS, "audio_r: Wave Out (R): %04x\n", data); - break; - - case AUDIO_CHANNEL_REPEAT: - LOGMASKED(LOG_SPU_READS, "audio_r: Channel Repeat Enable: %04x\n", data); - break; - - case AUDIO_CHANNEL_ENV_MODE: - LOGMASKED(LOG_SPU_READS | LOG_ENVELOPES, "audio_r: Channel Envelope Enable: %04x\n", data); - break; - - case AUDIO_CHANNEL_TONE_RELEASE: - LOGMASKED(LOG_SPU_READS, "audio_r: Channel Tone Release Enable: %04x\n", data); - break; - - case AUDIO_CHANNEL_ENV_IRQ: - LOGMASKED(LOG_SPU_READS | LOG_IRQS, "audio_r: Channel Envelope IRQ Status: %04x\n", data); - break; - - case AUDIO_CHANNEL_PITCH_BEND: - LOGMASKED(LOG_SPU_READS, "audio_r: Channel Pitch Bend Enable: %04x\n", data); - break; - - case AUDIO_SOFT_PHASE: - LOGMASKED(LOG_SPU_READS, "audio_r: Software Channel Phase: %04x\n", data); - break; - - case AUDIO_ATTACK_RELEASE: - LOGMASKED(LOG_SPU_READS, "audio_r: Attack/Release Time Control: %04x\n", data); - break; - - case AUDIO_EQ_CUTOFF10: - LOGMASKED(LOG_SPU_READS, "audio_r: EQ Cutoff Frequency 0/1: %04x\n", data); - break; - - case AUDIO_EQ_CUTOFF32: - LOGMASKED(LOG_SPU_READS, "audio_r: EQ Cutoff Frequency 2/3: %04x\n", data); - break; - - case AUDIO_EQ_GAIN10: - LOGMASKED(LOG_SPU_READS, "audio_r: EQ Cutoff Gain 0/1: %04x\n", data); - break; - - case AUDIO_EQ_GAIN32: - LOGMASKED(LOG_SPU_READS, "audio_r: EQ Cutoff Gain 2/3: %04x\n", data); - break; - - default: - LOGMASKED(LOG_UNKNOWN_SPU, "audio_r: Unknown register %04x = %04x\n", 0x3000 + offset, data); - break; - } - } - else if (channel < 16) - { - switch (offset & AUDIO_CHAN_OFFSET_MASK) - { - case AUDIO_WAVE_ADDR: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Wave Addr (lo): %04x\n", channel, data); - break; - - case AUDIO_MODE: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Mode: %04x (ADPCM:%d, 16M:%d, TONE:%d, LADDR_HI:%04x, WADDR_HI:%04x)\n", channel, data, - get_adpcm_bit(channel), get_16bit_bit(channel), get_tone_mode(channel), get_loop_addr_high(channel), get_wave_addr_high(channel)); - break; - - case AUDIO_LOOP_ADDR: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Loop Addr: %04x\n", channel, data); - break; - - case AUDIO_PAN_VOL: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Pan/Vol: %04x (PAN:%02x, VOL:%02x)\n", channel, data, - get_pan(channel), get_volume(channel)); - break; - - case AUDIO_ENVELOPE0: - LOGMASKED(LOG_CHANNEL_READS | LOG_ENVELOPES, "audio_r: Channel %d: Envelope0: %04x (RPTPER:%d, TARGET:%02x, SIGN:%d, INC:%02x)\n", channel, data, - get_repeat_period_bit(channel), get_envelope_target(channel), get_envelope_sign_bit(channel), get_envelope_inc(channel)); - break; - - case AUDIO_ENVELOPE_DATA: - LOGMASKED(LOG_CHANNEL_READS | LOG_ENVELOPES, "audio_r: Channel %d: Envelope Data: %04x (CNT:%d, EDD:%02x)\n", channel, data, - get_envelope_count(channel), get_edd(channel)); - break; - - case AUDIO_ENVELOPE1: - LOGMASKED(LOG_CHANNEL_READS | LOG_ENVELOPES, "audio_r: Channel %d: Envelope1 Data: %04x (RPTCNT:%02x, RPT:%d, LOAD:%02x)\n", channel, data, - get_envelope_repeat_count(channel), get_envelope_repeat_bit(channel), get_envelope_load(channel)); - break; - - case AUDIO_ENVELOPE_ADDR_HIGH: - LOGMASKED(LOG_CHANNEL_READS | LOG_ENVELOPES, "audio_r: Channel %d: Envelope Addr (hi): %04x (IRQADDR:%03x, IRQEN:%d, EADDR_HI:%02x)\n", channel, data, - get_audio_irq_addr(channel), get_audio_irq_enable_bit(channel), get_envelope_addr_high(channel)); - break; - - case AUDIO_ENVELOPE_ADDR: - LOGMASKED(LOG_CHANNEL_READS | LOG_ENVELOPES, "audio_r: Channel %d: Envelope Addr (lo): %04x \n", channel, data); - break; - - case AUDIO_WAVE_DATA_PREV: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Wave Data Prev: %04x \n", channel, data); - break; - - case AUDIO_ENVELOPE_LOOP_CTRL: - LOGMASKED(LOG_CHANNEL_READS | LOG_ENVELOPES, "audio_r: Channel %d: Envelope Loop Ctrl: %04x (RDOFFS:%02x, EAOFFS:%03x)\n", channel, data, - get_rampdown_offset(channel), get_envelope_eaoffset(channel)); - break; - - case AUDIO_WAVE_DATA: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Wave Data: %04x\n", channel, data); - break; - - case AUDIO_ADPCM_SEL: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: ADPCM Sel: %04x (ADPCM36:%d, POINTNUM:%02x\n", channel, data, - get_adpcm36_bit(channel), get_point_number(channel)); - break; - - case AUDIO_PHASE_HIGH: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Phase High: %04x\n", channel, data); - break; - - case AUDIO_PHASE_ACCUM_HIGH: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Phase Accum High: %04x\n", channel, data); - break; - - case AUDIO_TARGET_PHASE_HIGH: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Target Phase High: %04x\n", channel, data); - break; - - case AUDIO_RAMP_DOWN_CLOCK: - LOGMASKED(LOG_CHANNEL_READS | LOG_RAMPDOWN, "audio_r: Channel %d: Rampdown Clock: %04x\n", channel, data); - break; - - case AUDIO_PHASE: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Phase: %04x\n", channel, data); - break; - - case AUDIO_PHASE_ACCUM: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Phase Accum: %04x\n", channel, data); - break; - - case AUDIO_TARGET_PHASE: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Target Phase: %04x\n", channel, data); - break; - - case AUDIO_PHASE_CTRL: - LOGMASKED(LOG_CHANNEL_READS, "audio_r: Channel %d: Phase Ctrl: %04x (TIMESTEP:%d, SIGN:%d, OFFSET:%03x\n", channel, data, - get_phase_time_step(channel), get_phase_sign_bit(channel), get_phase_offset(channel)); - break; - - default: - LOGMASKED(LOG_UNKNOWN_SPU, "audio_r: Unknown register %04x\n", 0x3000 + offset); - break; - } - } - else if (channel >= 16) - { - LOGMASKED(LOG_UNKNOWN_SPU, "audio_r: Trying to read from channel %d\n", channel); - } - return data; + m_dma_regs[0x000] = (uint16_t)src; + m_dma_regs[0x001] = (src >> 16) & 0x3f; + m_dma_regs[0x002] = 0; + m_dma_regs[0x003] = (dst + len) & 0x3fff; } -WRITE16_MEMBER(spg2xx_device::audio_w) +void spg2xx_device::configure_spg_io(spg2xx_io_device* io) { - const uint16_t channel = (offset & 0x00f0) >> 4; - - if (offset >= 0x400) - { - switch (offset) - { - case AUDIO_CHANNEL_ENABLE: - { - LOGMASKED(LOG_SPU_WRITES, "audio_w: Channel Enable: %04x\n", data); - const uint16_t changed = m_audio_regs[AUDIO_CHANNEL_ENABLE] ^ data; - for (uint32_t channel_bit = 0; channel_bit < 16; channel_bit++) - { - const uint16_t mask = 1 << channel_bit; - if (!(changed & mask)) - continue; - - if (data & mask) - { - if (!(m_audio_regs[AUDIO_CHANNEL_STATUS] & mask)) - { - LOGMASKED(LOG_SPU_WRITES, "Enabling channel %d\n", channel_bit); - m_audio_regs[offset] |= mask; - if (!(m_audio_regs[AUDIO_CHANNEL_STOP] & mask)) - { - LOGMASKED(LOG_SPU_WRITES, "Stop not set, starting playback on channel %d, mask %04x\n", channel_bit, mask); - m_audio_regs[AUDIO_CHANNEL_STATUS] |= mask; - m_sample_addr[channel_bit] = get_wave_addr(channel_bit); - m_envelope_addr[channel_bit] = get_envelope_addr(channel_bit); - set_envelope_count(channel, get_envelope_load(channel)); - } - m_adpcm[channel_bit].reset(); - m_sample_shift[channel_bit] = 0; - m_sample_count[channel_bit] = 0; - } - } - else - { - m_audio_regs[offset] &= ~mask; - m_audio_regs[AUDIO_CHANNEL_STATUS] &= ~mask; - m_audio_regs[AUDIO_CHANNEL_STOP] |= mask; - m_audio_regs[AUDIO_CHANNEL_TONE_RELEASE] &= ~mask; - } - } - break; - } - - case AUDIO_MAIN_VOLUME: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Main Volume: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_MAIN_VOLUME_MASK; - break; - - case AUDIO_CHANNEL_FIQ_ENABLE: - LOGMASKED(LOG_SPU_WRITES | LOG_IRQS, "audio_w: Channel FIQ Enable: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_CHANNEL_FIQ_ENABLE_MASK; - break; - - case AUDIO_CHANNEL_FIQ_STATUS: - LOGMASKED(LOG_SPU_WRITES | LOG_IRQS, "audio_w: Channel FIQ Acknowledge: %04x\n", data); - m_audio_regs[offset] &= ~(data & AUDIO_CHANNEL_FIQ_STATUS_MASK); - break; - - case AUDIO_BEAT_BASE_COUNT: - LOGMASKED(LOG_SPU_WRITES | LOG_BEAT, "audio_w: Beat Base Count: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_BEAT_BASE_COUNT_MASK; - m_audio_curr_beat_base_count = m_audio_regs[offset]; - break; - - case AUDIO_BEAT_COUNT: - { - LOGMASKED(LOG_SPU_WRITES | LOG_BEAT, "audio_w: Beat Count: %04x\n", data); - const uint16_t old = m_audio_regs[offset]; - m_audio_regs[offset] &= ~(data & AUDIO_BIS_MASK); - m_audio_regs[offset] &= AUDIO_BIS_MASK; - m_audio_regs[offset] |= data & ~AUDIO_BIS_MASK; - const uint16_t changed = old ^ m_audio_regs[offset]; - if (data == 0xc000 && m_audio_regs[offset]) - { - } - if (changed & (AUDIO_BIS_MASK | AUDIO_BIE_MASK)) - { - LOGMASKED(LOG_BEAT, "BIS mask changed, updating IRQ\n"); - check_irqs(changed & (AUDIO_BIS_MASK | AUDIO_BIE_MASK)); - } - break; - } - - case AUDIO_ENVCLK0: - case AUDIO_ENVCLK1: - { - LOGMASKED(LOG_SPU_WRITES | LOG_ENVELOPES, "audio_w: Envelope Interval %d (lo): %04x\n", offset == AUDIO_ENVCLK0 ? 0 : 1, data); - const uint16_t old = m_audio_regs[offset]; - m_audio_regs[offset] = data; - const uint16_t changed = old ^ m_audio_regs[offset]; - - if (!changed) - break; - - const uint8_t channel_offset = offset == AUDIO_ENVCLK0 ? 0 : 8; - for (uint8_t channel_bit = 0; channel_bit < 4; channel_bit++) - { - const uint8_t shift = channel_bit << 2; - const uint16_t mask = 0x0f << shift; - if (changed & mask) - { - m_envclk_frame[channel_bit + channel_offset] = get_envclk_frame_count(channel_bit + channel_offset); - } - } - break; - } - - case AUDIO_ENVCLK0_HIGH: - case AUDIO_ENVCLK1_HIGH: - { - LOGMASKED(LOG_SPU_WRITES | LOG_ENVELOPES, "audio_w: Envelope Interval %d (hi): %04x\n", offset == AUDIO_ENVCLK0_HIGH ? 0 : 1, data); - const uint16_t old = m_audio_regs[offset]; - m_audio_regs[offset] = data; - const uint16_t changed = old ^ m_audio_regs[offset]; - if (!changed) - break; - - const uint8_t channel_offset = offset == AUDIO_ENVCLK0_HIGH ? 0 : 8; - for (uint8_t channel_bit = 0; channel_bit < 4; channel_bit++) - { - const uint8_t shift = channel_bit << 2; - const uint16_t mask = 0x0f << shift; - if (changed & mask) - { - m_envclk_frame[channel_bit + channel_offset + 4] = get_envclk_frame_count(channel_bit + channel_offset); - } - } - break; - } - - case AUDIO_ENV_RAMP_DOWN: - { - LOGMASKED(LOG_SPU_WRITES | LOG_RAMPDOWN, "audio_w: Envelope Fast Ramp Down: %04x\n", data); - const uint16_t old = m_audio_regs[offset]; - m_audio_regs[offset] = data & AUDIO_ENV_RAMP_DOWN_MASK; - const uint16_t changed = old ^ m_audio_regs[offset]; - if (!changed) - break; - - for (uint32_t channel_bit = 0; channel_bit < 16; channel_bit++) - { - const uint16_t mask = 1 << channel_bit; - if ((changed & mask) && (data & mask)) - { - m_rampdown_frame[channel_bit] = get_rampdown_frame_count(channel_bit); - LOGMASKED(LOG_RAMPDOWN, "Preparing to ramp down channel %d in %d ticks\n", channel_bit, m_rampdown_frame[channel_bit] / 13); - } - } - break; - } - - case AUDIO_CHANNEL_STOP: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Channel Stop Status: %04x\n", data); - m_audio_regs[offset] &= ~data; - m_audio_regs[AUDIO_CHANNEL_ENABLE] &= ~data; - break; - - case AUDIO_CHANNEL_ZERO_CROSS: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Channel Zero-Cross Enable: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_CHANNEL_ZERO_CROSS_MASK; - break; - - case AUDIO_CONTROL: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Control: %04x (SOFTCH:%d, COMPEN:%d, NOHIGH:%d, NOINT:%d, EQEN:%d\n", data - , (data & AUDIO_CONTROL_SOFTCH_MASK) ? 1 : 0 - , (data & AUDIO_CONTROL_COMPEN_MASK) ? 1 : 0 - , (data & AUDIO_CONTROL_NOHIGH_MASK) ? 1 : 0 - , (data & AUDIO_CONTROL_NOINT_MASK) ? 1 : 0 - , (data & AUDIO_CONTROL_EQEN_MASK) ? 1 : 0); - m_audio_regs[offset] = data & AUDIO_CONTROL_MASK; - break; - - case AUDIO_COMPRESS_CTRL: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Compressor Control: %04x\n", data); - m_audio_regs[offset] = data; - break; - - case AUDIO_CHANNEL_STATUS: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Channel Status (read-only): %04x\n", data); - break; - - case AUDIO_WAVE_IN_L: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Wave In (L) / FIFO Write Data: %04x\n", data); - m_audio_regs[offset] = data; - break; - - case AUDIO_WAVE_IN_R: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Wave In (R) / Software Channel FIFO IRQ Control: %04x\n", data); - m_audio_regs[offset] = data; - break; - - case AUDIO_WAVE_OUT_L: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Wave Out (L): %04x\n", data); - m_audio_regs[offset] = data; - break; - - case AUDIO_WAVE_OUT_R: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Wave Out (R): %04x\n", data); - m_audio_regs[offset] = data; - break; - - case AUDIO_CHANNEL_REPEAT: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Channel Repeat Enable: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_CHANNEL_REPEAT_MASK; - break; - - case AUDIO_CHANNEL_ENV_MODE: - LOGMASKED(LOG_SPU_WRITES | LOG_ENVELOPES, "audio_w: Channel Envelope Enable: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_CHANNEL_ENV_MODE_MASK; - break; - - case AUDIO_CHANNEL_TONE_RELEASE: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Channel Tone Release Enable: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_CHANNEL_TONE_RELEASE_MASK; - break; - - case AUDIO_CHANNEL_ENV_IRQ: - LOGMASKED(LOG_SPU_WRITES | LOG_ENVELOPES | LOG_IRQS, "audio_w: Channel Envelope IRQ Acknowledge: %04x\n", data); - m_audio_regs[offset] &= ~data & AUDIO_CHANNEL_ENV_IRQ_MASK; - break; - - case AUDIO_CHANNEL_PITCH_BEND: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Channel Pitch Bend Enable: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_CHANNEL_PITCH_BEND_MASK; - break; - - case AUDIO_SOFT_PHASE: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Software Channel Phase: %04x\n", data); - m_audio_regs[offset] = data; - break; - - case AUDIO_ATTACK_RELEASE: - LOGMASKED(LOG_SPU_WRITES, "audio_w: Attack/Release Time Control: %04x\n", data); - m_audio_regs[offset] = data; - break; - - case AUDIO_EQ_CUTOFF10: - LOGMASKED(LOG_SPU_WRITES, "audio_w: EQ Cutoff Frequency 0/1: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_EQ_CUTOFF10_MASK; - break; - - case AUDIO_EQ_CUTOFF32: - LOGMASKED(LOG_SPU_WRITES, "audio_w: EQ Cutoff Frequency 2/3: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_EQ_CUTOFF32_MASK; - break; - - case AUDIO_EQ_GAIN10: - LOGMASKED(LOG_SPU_WRITES, "audio_w: EQ Cutoff Gain 0/1: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_EQ_GAIN10_MASK; - break; - - case AUDIO_EQ_GAIN32: - LOGMASKED(LOG_SPU_WRITES, "audio_w: EQ Cutoff Gain 2/3: %04x\n", data); - m_audio_regs[offset] = data & AUDIO_EQ_GAIN32_MASK; - break; - - default: - m_audio_regs[offset] = data; - LOGMASKED(LOG_UNKNOWN_SPU, "audio_w: Unknown register %04x = %04x\n", 0x3000 + offset, data); - break; - } - } - else if (channel < 16) - { - switch (offset & AUDIO_CHAN_OFFSET_MASK) - { - case AUDIO_WAVE_ADDR: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Wave Addr (lo): %04x\n", channel, data); - break; - - case AUDIO_MODE: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Mode: %04x (ADPCM:%d, 16M:%d, TONE:%d, LADDR_HI:%04x, WADDR_HI:%04x)\n", channel, data, - get_adpcm_bit(channel), get_16bit_bit(channel), get_tone_mode(channel), get_loop_addr_high(channel), get_wave_addr_high(channel)); - break; - - case AUDIO_LOOP_ADDR: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Loop Addr: %04x\n", channel, data); - break; - - case AUDIO_PAN_VOL: - m_audio_regs[offset] = data & AUDIO_PAN_VOL_MASK; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Pan/Vol: %04x (PAN:%02x, VOL:%02x)\n", channel, data, - get_pan(channel), get_volume(channel)); - break; - - case AUDIO_ENVELOPE0: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES | LOG_ENVELOPES, "audio_w: Channel %d: Envelope0: %04x (RPTPER:%d, TARGET:%02x, SIGN:%d, INC:%02x)\n", channel, data, - get_repeat_period_bit(channel), get_envelope_target(channel), get_envelope_sign_bit(channel), get_envelope_inc(channel)); - break; - - case AUDIO_ENVELOPE_DATA: - m_audio_regs[offset] = data & AUDIO_ENVELOPE_DATA_MASK; - LOGMASKED(LOG_CHANNEL_WRITES | LOG_ENVELOPES, "audio_w: Channel %d: Envelope Data: %04x (CNT:%d, EDD:%02x)\n", channel, data, - get_envelope_count(channel), get_edd(channel)); - break; - - case AUDIO_ENVELOPE1: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES | LOG_ENVELOPES, "audio_w: Channel %d: Envelope1 Data: %04x (RPTCNT:%02x, RPT:%d, LOAD:%02x)\n", channel, data, - get_envelope_repeat_count(channel), get_envelope_repeat_bit(channel), get_envelope_load(channel)); - break; - - case AUDIO_ENVELOPE_ADDR_HIGH: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES | LOG_ENVELOPES, "audio_w: Channel %d: Envelope Addr (hi): %04x (IRQADDR:%03x, IRQEN:%d, EADDR_HI:%02x)\n", channel, data, - get_audio_irq_addr(channel), get_audio_irq_enable_bit(channel), get_envelope_addr_high(channel)); - break; - - case AUDIO_ENVELOPE_ADDR: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES | LOG_ENVELOPES, "audio_w: Channel %d: Envelope Addr (lo): %04x\n", channel, data); - break; - - case AUDIO_WAVE_DATA_PREV: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Wave Data Prev: %04x \n", channel, data); - break; - - case AUDIO_ENVELOPE_LOOP_CTRL: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES | LOG_ENVELOPES, "audio_w: Channel %d: Envelope Loop Ctrl: %04x (RDOFFS:%02x, EAOFFS:%03x)\n", channel, data, - get_rampdown_offset(channel), get_envelope_eaoffset(channel)); - break; - - case AUDIO_WAVE_DATA: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Wave Data: %04x\n", channel, data); - break; - - case AUDIO_ADPCM_SEL: - m_audio_regs[offset] = data & AUDIO_ADPCM_SEL_MASK; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: ADPCM Sel: %04x (ADPCM36:%d, POINTNUM:%02x\n", channel, data, - get_adpcm36_bit(channel), get_point_number(channel)); - break; - - case AUDIO_PHASE_HIGH: - m_audio_regs[offset] = data & AUDIO_PHASE_HIGH_MASK; - m_channel_rate[channel] = ((double)get_phase(channel) * 140625.0 * 2.0) / (double)(1 << 19); - m_channel_rate_accum[channel] = 0.0; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Phase High: %04x (rate: %f)\n", channel, data, m_channel_rate[channel]); - break; - - case AUDIO_PHASE_ACCUM_HIGH: - m_audio_regs[offset] = data & AUDIO_PHASE_ACCUM_HIGH_MASK; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Phase Accum High: %04x\n", channel, data); - break; - - case AUDIO_TARGET_PHASE_HIGH: - m_audio_regs[offset] = data & AUDIO_TARGET_PHASE_HIGH_MASK; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Target Phase High: %04x\n", channel, data); - break; - - case AUDIO_RAMP_DOWN_CLOCK: - m_audio_regs[offset] = data & AUDIO_RAMP_DOWN_CLOCK_MASK; - LOGMASKED(LOG_CHANNEL_WRITES | LOG_RAMPDOWN, "audio_w: Channel %d: Rampdown Clock: %04x\n", channel, data); - break; - - case AUDIO_PHASE: - m_audio_regs[offset] = data; - m_channel_rate[channel] = ((double)get_phase(channel) * 140625.0 * 2.0) / (double)(1 << 19); - m_channel_rate_accum[channel] = 0.0; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Phase: %04x (rate: %f)\n", channel, data, m_channel_rate[channel]); - break; - - case AUDIO_PHASE_ACCUM: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Phase Accum: %04x\n", channel, data); - break; - - case AUDIO_TARGET_PHASE: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Target Phase: %04x\n", channel, data); - break; - - case AUDIO_PHASE_CTRL: - m_audio_regs[offset] = data; - LOGMASKED(LOG_CHANNEL_WRITES, "audio_w: Channel %d: Phase Ctrl: %04x (TIMESTEP:%d, SIGN:%d, OFFSET:%03x\n", channel, data, - get_phase_time_step(channel), get_phase_sign_bit(channel), get_phase_offset(channel)); - break; - - default: - m_audio_regs[offset] = data; - LOGMASKED(LOG_UNKNOWN_SPU, "audio_w: Unknown register %04x = %04x\n", 0x3000 + offset, data); - break; - } - } - else if (channel >= 16) - { - LOGMASKED(LOG_UNKNOWN_SPU, "audio_w: Trying to write to channel %d: %04x = %04x\n", channel, 0x3000 + offset, data); - } - else - { - m_audio_regs[offset] = data; - } -} - -void spg2xx_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) -{ - stream_sample_t *out_l = outputs[0]; - stream_sample_t *out_r = outputs[1]; - address_space &space = m_cpu->space(AS_PROGRAM); - - for (int i = 0; i < samples; i++) - { - int32_t left_total = 0; - int32_t right_total = 0; - int32_t active_count = 0; - - for (uint32_t ch_index = 0; ch_index < 16; ch_index++) - { - if (!get_channel_status(ch_index)) - { - continue; - } - - if (SPG_DEBUG_AUDIO && m_debug_rates) - printf("%f:%f ", m_channel_rate[ch_index], m_channel_rate_accum[ch_index]); - bool playing = advance_channel(space, ch_index); - if (playing) - { - int32_t sample = (int16_t)(m_audio_regs[(ch_index << 4) | AUDIO_WAVE_DATA] ^ 0x8000); - if (!(m_audio_regs[AUDIO_CONTROL] & AUDIO_CONTROL_NOINT_MASK)) - { - int32_t prev_sample = (int16_t)(m_audio_regs[(ch_index << 4) | AUDIO_WAVE_DATA_PREV] ^ 0x8000); - int16_t lerp_factor = (int16_t)((m_channel_rate_accum[ch_index] / 44100.0) * 256.0); - prev_sample = (prev_sample * (0x100 - lerp_factor)) >> 8; - sample = (sample * lerp_factor) >> 8; - sample += prev_sample; - } - - sample = (sample * (int16_t)get_edd(ch_index)) >> 7; - - active_count++; - - int32_t vol = get_volume(ch_index); - int32_t pan = get_pan(ch_index); - - int32_t pan_left, pan_right; - if (pan < 0x40) - { - pan_left = 0x7f * vol; - pan_right = pan * 2 * vol; - } - else - { - pan_left = (0x7f - pan) * 2 * vol; - pan_right = 0x7f * vol; - } - - left_total += ((int16_t)sample * (int16_t)pan_left) >> 14; - right_total += ((int16_t)sample * (int16_t)pan_right) >> 14; - } - } - - if (active_count) - { - left_total /= active_count; - right_total /= active_count; - *out_l++ = (left_total * (int16_t)m_audio_regs[AUDIO_MAIN_VOLUME]) >> 7; - *out_r++ = (right_total * (int16_t)m_audio_regs[AUDIO_MAIN_VOLUME]) >> 7; - } - else - { - *out_l++ = 0; - *out_r++ = 0; - } - } -} - -inline void spg2xx_device::stop_channel(const uint32_t channel) -{ - // TODO: IRQs - m_audio_regs[AUDIO_CHANNEL_ENABLE] &= ~(1 << channel); - m_audio_regs[AUDIO_CHANNEL_STATUS] &= ~(1 << channel); - m_audio_regs[AUDIO_CHANNEL_STOP] |= (1 << channel); - m_audio_regs[(channel << 4) | AUDIO_MODE] &= ~AUDIO_ADPCM_MASK; - m_audio_regs[AUDIO_CHANNEL_TONE_RELEASE] &= ~(1 << channel); -} - -bool spg2xx_device::advance_channel(address_space &space, const uint32_t channel) -{ - m_channel_rate_accum[channel] += m_channel_rate[channel]; - uint32_t samples_to_advance = 0; - while (m_channel_rate_accum[channel] >= 44100.0) - { - m_channel_rate_accum[channel] -= 44100.0; - samples_to_advance++; - } - - if (!samples_to_advance) - return true; - - bool playing = true; - - if (get_adpcm_bit(channel)) - { - // ADPCM mode - for (uint32_t sample = 0; sample < samples_to_advance && playing; sample++) - { - playing = fetch_sample(space, channel); - if (playing) - { - m_sample_shift[channel] += 4; - if (m_sample_shift[channel] == 16) - { - m_sample_shift[channel] = 0; - m_sample_addr[channel]++; - } - } - } - } - else if (get_16bit_bit(channel)) - { - // 16-bit mode - for (uint32_t sample = 0; sample < samples_to_advance && playing; sample++) - { - playing = fetch_sample(space, channel); - if (playing) - m_sample_addr[channel]++; - } - } - else - { - // 8-bit mode - for (uint32_t sample = 0; sample < samples_to_advance && playing; sample++) - { - playing = fetch_sample(space, channel); - if (playing) - { - m_sample_shift[channel] += 8; - if (m_sample_shift[channel] == 16) - { - m_sample_shift[channel] = 0; - m_sample_addr[channel]++; - } - } - } - } - - return playing; -} - -bool spg2xx_device::fetch_sample(address_space &space, const uint32_t channel) -{ - const uint32_t channel_mask = channel << 4; - m_audio_regs[channel_mask | AUDIO_WAVE_DATA_PREV] = m_audio_regs[channel_mask | AUDIO_WAVE_DATA]; - - const uint32_t wave_data_reg = channel_mask | AUDIO_WAVE_DATA; - const uint16_t tone_mode = get_tone_mode(channel); - const uint16_t raw_sample = tone_mode ? space.read_word(m_sample_addr[channel]) : m_audio_regs[wave_data_reg]; - - m_audio_regs[wave_data_reg] = raw_sample; - - if (get_adpcm_bit(channel)) - { - // ADPCM mode - m_audio_regs[wave_data_reg] >>= m_sample_shift[channel]; - m_audio_regs[wave_data_reg] = (uint16_t)(m_adpcm[channel].clock((uint8_t)(m_audio_regs[wave_data_reg] & 0x000f)) * 7) ^ 0x8000; - if (tone_mode != 0 && raw_sample == 0xffff) - { - if (tone_mode == AUDIO_TONE_MODE_HW_ONESHOT) - { - LOGMASKED(LOG_SAMPLES, "ADPCM stopped after %d samples\n", m_sample_count[channel]); - m_sample_count[channel] = 0; - stop_channel(channel); - return false; - } - else - { - LOGMASKED(LOG_SAMPLES, "ADPCM looping after %d samples\n", m_sample_count[channel]); - m_sample_count[channel] = 0; - loop_channel(channel); - } - } - m_sample_count[channel]++; - } - else if (get_16bit_bit(channel)) - { - // 16-bit mode - if (tone_mode != 0 && raw_sample == 0xffff) - { - if (tone_mode == AUDIO_TONE_MODE_HW_ONESHOT) - { - LOGMASKED(LOG_SAMPLES, "16-bit PCM stopped after %d samples\n", m_sample_count[channel]); - m_sample_count[channel] = 0; - stop_channel(channel); - return false; - } - else - { - LOGMASKED(LOG_SAMPLES, "16-bit PCM looping after %d samples\n", m_sample_count[channel]); - m_sample_count[channel] = 0; - loop_channel(channel); - } - } - m_sample_count[channel]++; - } - else - { - // 8-bit mode - if (tone_mode != 0) - { - if (m_sample_shift[channel]) - m_audio_regs[wave_data_reg] <<= 8; - else - m_audio_regs[wave_data_reg] &= 0xff00; - - if (m_audio_regs[wave_data_reg] == 0xff00) - { - if (tone_mode == AUDIO_TONE_MODE_HW_ONESHOT) - { - LOGMASKED(LOG_SAMPLES, "8-bit PCM stopped after %d samples\n", m_sample_count[channel]); - m_sample_count[channel] = 0; - stop_channel(channel); - return false; - } - else - { - LOGMASKED(LOG_SAMPLES, "8-bit PCM looping after %d samples\n", m_sample_count[channel]); - m_sample_count[channel] = 0; - loop_channel(channel); - } - } - } - m_sample_count[channel]++; - } - - return true; + io->porta_in().set(FUNC(spg2xx_device::porta_r)); + io->portb_in().set(FUNC(spg2xx_device::portb_r)); + io->portc_in().set(FUNC(spg2xx_device::portc_r)); + io->porta_out().set(FUNC(spg2xx_device::porta_w)); + io->portb_out().set(FUNC(spg2xx_device::portb_w)); + io->portc_out().set(FUNC(spg2xx_device::portc_w)); + io->adc_in<0>().set(FUNC(spg2xx_device::adc_r<0>)); + io->adc_in<1>().set(FUNC(spg2xx_device::adc_r<1>)); + io->eeprom_w().set(FUNC(spg2xx_device::eepromx_w)); + io->eeprom_r().set(FUNC(spg2xx_device::eepromx_r)); + io->uart_tx().set(FUNC(spg2xx_device::tx_w)); + io->chip_select().set(FUNC(spg2xx_device::cs_w)); + io->pal_read_callback().set(FUNC(spg2xx_device::get_pal_r)); + io->write_timer_irq_callback().set(FUNC(spg2xx_device::timerirq_w)); + io->write_uart_adc_irq_callback().set(FUNC(spg2xx_device::uartirq_w)); + io->write_external_irq_callback().set(FUNC(spg2xx_device::extirq_w)); + io->write_ffrq_tmr1_irq_callback().set(FUNC(spg2xx_device::ffreq1_w)); + io->write_ffrq_tmr2_irq_callback().set(FUNC(spg2xx_device::ffreq2_w)); } -inline void spg2xx_device::loop_channel(const uint32_t channel) +void spg24x_device::device_add_mconfig(machine_config &config) { - m_sample_addr[channel] = get_loop_addr(channel); - m_sample_shift[channel] = 0; -} + SPG2XX_AUDIO(config, m_spg_audio, DERIVED_CLOCK(1, 1)); + m_spg_audio->write_irq_callback().set(FUNC(spg24x_device::audioirq_w)); + m_spg_audio->space_read_callback().set(FUNC(spg24x_device::space_r)); -void spg2xx_device::audio_frame_tick() -{ - audio_beat_tick(); + m_spg_audio->add_route(0, *this, 1.0, AUTO_ALLOC_INPUT, 0); + m_spg_audio->add_route(1, *this, 1.0, AUTO_ALLOC_INPUT, 1); - address_space &space = m_cpu->space(AS_PROGRAM); - bool any_changed = false; - for (uint32_t channel = 0; channel < 16; channel++) - { - const uint16_t mask = (1 << channel); - if (!(m_audio_regs[AUDIO_CHANNEL_STATUS] & mask)) - { - continue; - } - - if (m_audio_regs[AUDIO_ENV_RAMP_DOWN] & mask) - { - m_rampdown_frame[channel]--; - if (m_rampdown_frame[channel] == 0) - { - LOGMASKED(LOG_RAMPDOWN, "Ticking rampdown for channel %d\n", channel); - audio_rampdown_tick(channel); - any_changed = true; - } - continue; - } - - if (!(m_audio_regs[AUDIO_CHANNEL_ENV_MODE] & mask)) - { - m_envclk_frame[channel]--; - if (m_envclk_frame[channel] == 0) - { - LOGMASKED(LOG_ENVELOPES, "Ticking envelope for channel %d\n", channel); - any_changed = audio_envelope_tick(space, channel) || any_changed; - m_envclk_frame[channel] = get_envclk_frame_count(channel); - } - } - } - - if (any_changed) - { - m_stream->update(); - } + SPG24X_IO(config, m_spg_io, DERIVED_CLOCK(1, 1), m_cpu, m_screen); + configure_spg_io(m_spg_io); } -void spg2xx_device::audio_beat_tick() +void spg28x_device::device_add_mconfig(machine_config &config) { - if (m_audio_curr_beat_base_count == 0) - { - LOGMASKED(LOG_BEAT, "Beat base count elapsed, reloading with %d\n", m_audio_regs[AUDIO_BEAT_BASE_COUNT]); - m_audio_curr_beat_base_count = m_audio_regs[AUDIO_BEAT_BASE_COUNT]; - - uint16_t beat_count = m_audio_regs[AUDIO_BEAT_COUNT] & AUDIO_BEAT_COUNT_MASK; - if (beat_count == 0) - { - if (m_audio_regs[AUDIO_BEAT_COUNT] & AUDIO_BIE_MASK) - { - LOGMASKED(LOG_BEAT, "Beat count elapsed, setting Status bit and checking IRQs\n"); - m_audio_regs[AUDIO_BEAT_COUNT] |= AUDIO_BIS_MASK; - check_irqs(AUDIO_BIS_MASK); - } - else - { - LOGMASKED(LOG_BEAT, "Beat count elapsed but IRQ not enabled\n"); - } - } - else - { - beat_count--; - m_audio_regs[AUDIO_BEAT_COUNT] = (m_audio_regs[AUDIO_BEAT_COUNT] & ~AUDIO_BEAT_COUNT_MASK) | beat_count; - } - } - else - { - m_audio_curr_beat_base_count--; - } -} + SPG2XX_AUDIO(config, m_spg_audio, DERIVED_CLOCK(1, 1)); + m_spg_audio->write_irq_callback().set(FUNC(spg28x_device::audioirq_w)); + m_spg_audio->space_read_callback().set(FUNC(spg28x_device::space_r)); -void spg2xx_device::audio_rampdown_tick(const uint32_t channel) -{ - const uint8_t old_edd = get_edd(channel); - uint8_t new_edd = old_edd - get_rampdown_offset(channel); - if (new_edd > old_edd) - new_edd = 0; + m_spg_audio->add_route(0, *this, 1.0, AUTO_ALLOC_INPUT, 0); + m_spg_audio->add_route(1, *this, 1.0, AUTO_ALLOC_INPUT, 1); - if (new_edd) - { - LOGMASKED(LOG_RAMPDOWN, "Channel %d preparing for next rampdown step (%02x)\n", channel, new_edd); - const uint16_t channel_mask = channel << 4; - m_audio_regs[channel_mask | AUDIO_ENVELOPE_DATA] &= ~AUDIO_EDD_MASK; - m_audio_regs[channel_mask | AUDIO_ENVELOPE_DATA] |= new_edd & AUDIO_EDD_MASK; - m_rampdown_frame[channel] = get_rampdown_frame_count(channel); - } - else - { - LOGMASKED(LOG_RAMPDOWN, "Stopping channel %d due to rampdown\n", channel); - const uint16_t channel_mask = 1 << channel; - m_audio_regs[AUDIO_CHANNEL_ENABLE] &= ~channel_mask; - m_audio_regs[AUDIO_CHANNEL_STATUS] &= ~channel_mask; - m_audio_regs[AUDIO_CHANNEL_STOP] |= channel_mask; - m_audio_regs[AUDIO_ENV_RAMP_DOWN] &= ~channel_mask; - m_audio_regs[AUDIO_CHANNEL_TONE_RELEASE] &= ~channel_mask; - } -} - -const uint32_t spg2xx_device::s_rampdown_frame_counts[8] = -{ - 13*4, 13*16, 13*64, 13*256, 13*1024, 13*4096, 13*8192, 13*8192 -}; - -uint32_t spg2xx_device::get_rampdown_frame_count(const uint32_t channel) -{ - return s_rampdown_frame_counts[get_rampdown_clock(channel)]; -} - -const uint32_t spg2xx_device::s_envclk_frame_counts[16] = -{ - 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 8192, 8192, 8192, 8192 -}; - -uint32_t spg2xx_device::get_envclk_frame_count(const uint32_t channel) -{ - return s_envclk_frame_counts[get_envelope_clock(channel)]; -} - -uint32_t spg2xx_device::get_envelope_clock(const offs_t channel) const -{ - if (channel < 4) - return (m_audio_regs[AUDIO_ENVCLK0] >> (channel << 2)) & 0x000f; - else if (channel < 8) - return (m_audio_regs[AUDIO_ENVCLK0_HIGH] >> ((channel - 4) << 2)) & 0x000f; - else if (channel < 12) - return (m_audio_regs[AUDIO_ENVCLK1] >> ((channel - 8) << 2)) & 0x000f; - else - return (m_audio_regs[AUDIO_ENVCLK1_HIGH] >> ((channel - 12) << 2)) & 0x000f; -} - -bool spg2xx_device::audio_envelope_tick(address_space &space, const uint32_t channel) -{ - const uint16_t channel_mask = channel << 4; - uint16_t new_count = get_envelope_count(channel); - const uint16_t curr_edd = get_edd(channel); - LOGMASKED(LOG_ENVELOPES, "envelope %d tick, count is %04x, curr edd is %04x\n", channel, new_count, curr_edd); - bool edd_changed = false; - if (new_count == 0) - { - const uint16_t target = get_envelope_target(channel); - uint16_t new_edd = curr_edd; - const uint16_t inc = get_envelope_inc(channel); - - if (new_edd != target) - { - if (get_envelope_sign_bit(channel)) - { - new_edd -= inc; - LOGMASKED(LOG_ENVELOPES, "Envelope %d new EDD-: %04x (%04x), dec %04x\n", channel, new_edd, target, inc); - if (new_edd > curr_edd) - new_edd = 0; - else if (new_edd < target) - new_edd = target; - - if (new_edd == 0) - { - LOGMASKED(LOG_ENVELOPES, "Envelope %d at 0, stopping channel\n", channel); - stop_channel(channel); - return true; - } - } - else - { - new_edd += inc; - LOGMASKED(LOG_ENVELOPES, "Envelope %d new EDD+: %04x\n", channel, new_edd); - if (new_edd >= target) - new_edd = target; - } - } - - if (new_edd == target) - { - LOGMASKED(LOG_ENVELOPES, "Envelope %d at target %04x\n", channel, target); - new_edd = target; - - if (get_envelope_repeat_bit(channel)) - { - const uint16_t repeat_count = get_envelope_repeat_count(channel) - 1; - LOGMASKED(LOG_ENVELOPES, "Repeating envelope, new repeat count %d\n", repeat_count); - if (repeat_count == 0) - { - m_audio_regs[channel_mask | AUDIO_ENVELOPE0] = space.read_word(m_envelope_addr[channel]); - m_audio_regs[channel_mask | AUDIO_ENVELOPE1] = space.read_word(m_envelope_addr[channel] + 1); - m_audio_regs[channel_mask | AUDIO_ENVELOPE_LOOP_CTRL] = space.read_word(m_envelope_addr[channel] + 2); - m_envelope_addr[channel] = get_envelope_addr(channel) + get_envelope_eaoffset(channel); - LOGMASKED(LOG_ENVELOPES, "Envelope data after repeat: %04x %04x %04x (%08x)\n", m_audio_regs[channel_mask | AUDIO_ENVELOPE0], m_audio_regs[channel_mask | AUDIO_ENVELOPE1], m_audio_regs[channel_mask | AUDIO_ENVELOPE_LOOP_CTRL], m_envelope_addr[channel]); - } - else - { - set_envelope_repeat_count(channel, repeat_count); - } - } - else - { - LOGMASKED(LOG_ENVELOPES, "Fetching envelope for channel %d from %08x\n", channel, m_envelope_addr[channel]); - m_audio_regs[channel_mask | AUDIO_ENVELOPE0] = space.read_word(m_envelope_addr[channel]); - m_audio_regs[channel_mask | AUDIO_ENVELOPE1] = space.read_word(m_envelope_addr[channel] + 1); - LOGMASKED(LOG_ENVELOPES, "Fetched envelopes %04x %04x\n", m_audio_regs[channel_mask | AUDIO_ENVELOPE0], m_audio_regs[channel_mask | AUDIO_ENVELOPE1]); - m_envelope_addr[channel] += 2; - } - new_count = get_envelope_load(channel); - set_envelope_count(channel, new_count); - } - else - { - LOGMASKED(LOG_ENVELOPES, "Envelope %d not yet at target %04x (%04x)\n", channel, target, new_edd); - new_count = get_envelope_load(channel); - set_envelope_count(channel, new_count); - } - LOGMASKED(LOG_ENVELOPES, "Envelope %d new count %04x\n", channel, new_count); - - set_edd(channel, new_edd); - edd_changed = true; - LOGMASKED(LOG_ENVELOPES, "Setting channel %d edd to %04x, register is %04x\n", channel, new_edd, m_audio_regs[(channel << 4) | AUDIO_ENVELOPE_DATA]); - } - else - { - new_count--; - set_envelope_count(channel, new_count); - } - LOGMASKED(LOG_ENVELOPES, "envelope %d post-tick, count is now %04x, register is %04x\n", channel, new_count, m_audio_regs[(channel << 4) | AUDIO_ENVELOPE_DATA]); - return edd_changed; + SPG28X_IO(config, m_spg_io, DERIVED_CLOCK(1, 1), m_cpu, m_screen); + configure_spg_io(m_spg_io); } |