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Diffstat (limited to 'src/devices/video/epic12.cpp')
-rw-r--r--src/devices/video/epic12.cpp949
1 files changed, 949 insertions, 0 deletions
diff --git a/src/devices/video/epic12.cpp b/src/devices/video/epic12.cpp
new file mode 100644
index 00000000000..a22100e5543
--- /dev/null
+++ b/src/devices/video/epic12.cpp
@@ -0,0 +1,949 @@
+// license:BSD-3-Clause
+// copyright-holders:David Haywood, Luca Elia, MetalliC
+/* emulation of Altera Cyclone EPIC12 FPGA programmed as a blitter */
+
+#include "emu.h"
+#include "epic12.h"
+
+
+
+const device_type EPIC12 = &device_creator<epic12_device>;
+
+epic12_device::epic12_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, EPIC12, "EP1C12 Blitter", tag, owner, clock, "epic12", __FILE__),
+ device_video_interface(mconfig, *this)
+{
+ m_is_unsafe = 0;
+ m_delay_scale = 0;
+ m_blitter_request = 0;
+ m_blitter_delay_timer = 0;
+ m_blitter_busy = 0;
+ m_gfx_addr = 0;
+ m_gfx_scroll_0_x = 0;
+ m_gfx_scroll_0_y = 0;
+ m_gfx_scroll_1_x = 0;
+ m_gfx_scroll_1_y = 0;
+ m_gfx_addr_shadowcopy = 0;
+ m_gfx_scroll_0_x_shadowcopy = 0;
+ m_gfx_scroll_0_y_shadowcopy = 0;
+ m_gfx_scroll_1_x_shadowcopy = 0;
+ m_gfx_scroll_1_y_shadowcopy = 0;
+ epic12_device_blit_delay = 0;
+}
+
+TIMER_CALLBACK_MEMBER( epic12_device::blitter_delay_callback )
+{
+ m_blitter_busy = 0;
+}
+
+
+void epic12_device::device_start()
+{
+ m_gfx_size = 0x2000 * 0x1000;
+ m_bitmaps = auto_bitmap_rgb32_alloc(machine(), 0x2000, 0x1000);
+ m_clip = m_bitmaps->cliprect();
+ m_clip.set(0, 0x2000-1, 0, 0x1000-1);
+
+ m_ram16_copy = auto_alloc_array(machine(), UINT16, m_main_ramsize/2);
+
+ m_blitter_delay_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(epic12_device::blitter_delay_callback),this));
+ m_blitter_delay_timer->adjust(attotime::never);
+}
+
+void epic12_device::device_reset()
+{
+ if (m_is_unsafe)
+ {
+ m_use_ram = m_ram16;
+ m_work_queue = osd_work_queue_alloc(WORK_QUEUE_FLAG_HIGH_FREQ|WORK_QUEUE_FLAG_MULTI);
+ }
+ else
+ {
+ m_use_ram = m_ram16_copy; // slow mode
+ m_work_queue = osd_work_queue_alloc(WORK_QUEUE_FLAG_HIGH_FREQ);
+ }
+
+ // cache table to avoid divides in blit code, also pre-clamped
+ int x,y;
+ for (y=0;y<0x40;y++)
+ {
+ for (x=0;x<0x20;x++)
+ {
+ epic12_device_colrtable[x][y] = (x*y) / 0x1f;
+ if (epic12_device_colrtable[x][y]>0x1f) epic12_device_colrtable[x][y] = 0x1f;
+
+ epic12_device_colrtable_rev[x^0x1f][y] = (x*y) / 0x1f;
+ if (epic12_device_colrtable_rev[x^0x1f][y]>0x1f) epic12_device_colrtable_rev[x^0x1f][y] = 0x1f;
+ }
+ }
+
+ // preclamped add table
+ for (y=0;y<0x20;y++)
+ {
+ for (x=0;x<0x20;x++)
+ {
+ epic12_device_colrtable_add[x][y] = (x+y);
+ if (epic12_device_colrtable_add[x][y]>0x1f) epic12_device_colrtable_add[x][y] = 0x1f;
+ }
+ }
+
+ m_blitter_busy = 0;
+}
+
+// todo, get these into the device class without ruining performance
+UINT8 epic12_device_colrtable[0x20][0x40];
+UINT8 epic12_device_colrtable_rev[0x20][0x40];
+UINT8 epic12_device_colrtable_add[0x20][0x20];
+UINT64 epic12_device_blit_delay;
+
+inline UINT16 epic12_device::READ_NEXT_WORD(offs_t *addr)
+{
+// UINT16 data = space.read_word(*addr); // going through the memory system is 'more correct' but noticeably slower
+ UINT16 data = m_use_ram[((*addr & m_main_rammask) >> 1) ^ NATIVE_ENDIAN_VALUE_LE_BE(3, 0)];
+
+ *addr += 2;
+
+// printf("data %04x\n", data);
+ return data;
+}
+
+inline UINT16 epic12_device::COPY_NEXT_WORD(address_space &space, offs_t *addr)
+{
+// UINT16 data = space.read_word(*addr); // going through the memory system is 'more correct' but noticeably slower
+ UINT16 data = m_ram16[((*addr & m_main_rammask) >> 1) ^ NATIVE_ENDIAN_VALUE_LE_BE(3, 0)];
+ m_ram16_copy[((*addr & m_main_rammask) >> 1) ^ NATIVE_ENDIAN_VALUE_LE_BE(3, 0)] = data;
+
+ *addr += 2;
+
+// printf("data %04x\n", data);
+ return data;
+}
+
+
+inline void epic12_device::gfx_upload_shadow_copy(address_space &space, offs_t *addr)
+{
+ UINT32 x,y, dimx,dimy;
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+
+ dimx = (COPY_NEXT_WORD(space, addr) & 0x1fff) + 1;
+ dimy = (COPY_NEXT_WORD(space, addr) & 0x0fff) + 1;
+
+ for (y = 0; y < dimy; y++)
+ {
+ for (x = 0; x < dimx; x++)
+ {
+ COPY_NEXT_WORD(space, addr);
+ }
+ }
+}
+
+inline void epic12_device::gfx_upload(offs_t *addr)
+{
+ UINT32 x,y, dst_p,dst_x_start,dst_y_start, dimx,dimy;
+ UINT32 *dst;
+
+ // 0x20000000
+ READ_NEXT_WORD(addr);
+ READ_NEXT_WORD(addr);
+
+ // 0x99999999
+ READ_NEXT_WORD(addr);
+ READ_NEXT_WORD(addr);
+
+ dst_x_start = READ_NEXT_WORD(addr);
+ dst_y_start = READ_NEXT_WORD(addr);
+
+ dst_p = 0;
+ dst_x_start &= 0x1fff;
+ dst_y_start &= 0x0fff;
+
+ dimx = (READ_NEXT_WORD(addr) & 0x1fff) + 1;
+ dimy = (READ_NEXT_WORD(addr) & 0x0fff) + 1;
+
+ logerror("GFX COPY: DST %02X,%02X,%03X DIM %02X,%03X\n", dst_p,dst_x_start,dst_y_start, dimx,dimy);
+
+ for (y = 0; y < dimy; y++)
+ {
+ dst = &m_bitmaps->pix(dst_y_start + y, 0);
+ dst += dst_x_start;
+
+ for (x = 0; x < dimx; x++)
+ {
+ UINT16 pendat = READ_NEXT_WORD(addr);
+ // real hw would upload the gfxword directly, but our VRAM is 32-bit, so convert it.
+ //dst[dst_x_start + x] = pendat;
+ *dst++ = ((pendat&0x8000)<<14) | ((pendat&0x7c00)<<9) | ((pendat&0x03e0)<<6) | ((pendat&0x001f)<<3); // --t- ---- rrrr r--- gggg g--- bbbb b--- format
+ //dst[dst_x_start + x] = ((pendat&0x8000)<<14) | ((pendat&0x7c00)<<6) | ((pendat&0x03e0)<<3) | ((pendat&0x001f)<<0); // --t- ---- ---r rrrr ---g gggg ---b bbbb format
+
+
+ }
+ }
+}
+
+#define draw_params m_bitmaps, &m_clip, &m_bitmaps->pix(0,0),src_x,src_y, x,y, dimx,dimy, flipy, s_alpha, d_alpha, &tint_clr
+
+
+
+epic12_device_blitfunction epic12_device_f0_ti1_tr1_blit_funcs[] =
+{
+ epic12_device::draw_sprite_f0_ti1_tr1_s0_d0, epic12_device::draw_sprite_f0_ti1_tr1_s1_d0, epic12_device::draw_sprite_f0_ti1_tr1_s2_d0, epic12_device::draw_sprite_f0_ti1_tr1_s3_d0, epic12_device::draw_sprite_f0_ti1_tr1_s4_d0, epic12_device::draw_sprite_f0_ti1_tr1_s5_d0, epic12_device::draw_sprite_f0_ti1_tr1_s6_d0, epic12_device::draw_sprite_f0_ti1_tr1_s7_d0,
+ epic12_device::draw_sprite_f0_ti1_tr1_s0_d1, epic12_device::draw_sprite_f0_ti1_tr1_s1_d1, epic12_device::draw_sprite_f0_ti1_tr1_s2_d1, epic12_device::draw_sprite_f0_ti1_tr1_s3_d1, epic12_device::draw_sprite_f0_ti1_tr1_s4_d1, epic12_device::draw_sprite_f0_ti1_tr1_s5_d1, epic12_device::draw_sprite_f0_ti1_tr1_s6_d1, epic12_device::draw_sprite_f0_ti1_tr1_s7_d1,
+ epic12_device::draw_sprite_f0_ti1_tr1_s0_d2, epic12_device::draw_sprite_f0_ti1_tr1_s1_d2, epic12_device::draw_sprite_f0_ti1_tr1_s2_d2, epic12_device::draw_sprite_f0_ti1_tr1_s3_d2, epic12_device::draw_sprite_f0_ti1_tr1_s4_d2, epic12_device::draw_sprite_f0_ti1_tr1_s5_d2, epic12_device::draw_sprite_f0_ti1_tr1_s6_d2, epic12_device::draw_sprite_f0_ti1_tr1_s7_d2,
+ epic12_device::draw_sprite_f0_ti1_tr1_s0_d3, epic12_device::draw_sprite_f0_ti1_tr1_s1_d3, epic12_device::draw_sprite_f0_ti1_tr1_s2_d3, epic12_device::draw_sprite_f0_ti1_tr1_s3_d3, epic12_device::draw_sprite_f0_ti1_tr1_s4_d3, epic12_device::draw_sprite_f0_ti1_tr1_s5_d3, epic12_device::draw_sprite_f0_ti1_tr1_s6_d3, epic12_device::draw_sprite_f0_ti1_tr1_s7_d3,
+ epic12_device::draw_sprite_f0_ti1_tr1_s0_d4, epic12_device::draw_sprite_f0_ti1_tr1_s1_d4, epic12_device::draw_sprite_f0_ti1_tr1_s2_d4, epic12_device::draw_sprite_f0_ti1_tr1_s3_d4, epic12_device::draw_sprite_f0_ti1_tr1_s4_d4, epic12_device::draw_sprite_f0_ti1_tr1_s5_d4, epic12_device::draw_sprite_f0_ti1_tr1_s6_d4, epic12_device::draw_sprite_f0_ti1_tr1_s7_d4,
+ epic12_device::draw_sprite_f0_ti1_tr1_s0_d5, epic12_device::draw_sprite_f0_ti1_tr1_s1_d5, epic12_device::draw_sprite_f0_ti1_tr1_s2_d5, epic12_device::draw_sprite_f0_ti1_tr1_s3_d5, epic12_device::draw_sprite_f0_ti1_tr1_s4_d5, epic12_device::draw_sprite_f0_ti1_tr1_s5_d5, epic12_device::draw_sprite_f0_ti1_tr1_s6_d5, epic12_device::draw_sprite_f0_ti1_tr1_s7_d5,
+ epic12_device::draw_sprite_f0_ti1_tr1_s0_d6, epic12_device::draw_sprite_f0_ti1_tr1_s1_d6, epic12_device::draw_sprite_f0_ti1_tr1_s2_d6, epic12_device::draw_sprite_f0_ti1_tr1_s3_d6, epic12_device::draw_sprite_f0_ti1_tr1_s4_d6, epic12_device::draw_sprite_f0_ti1_tr1_s5_d6, epic12_device::draw_sprite_f0_ti1_tr1_s6_d6, epic12_device::draw_sprite_f0_ti1_tr1_s7_d6,
+ epic12_device::draw_sprite_f0_ti1_tr1_s0_d7, epic12_device::draw_sprite_f0_ti1_tr1_s1_d7, epic12_device::draw_sprite_f0_ti1_tr1_s2_d7, epic12_device::draw_sprite_f0_ti1_tr1_s3_d7, epic12_device::draw_sprite_f0_ti1_tr1_s4_d7, epic12_device::draw_sprite_f0_ti1_tr1_s5_d7, epic12_device::draw_sprite_f0_ti1_tr1_s6_d7, epic12_device::draw_sprite_f0_ti1_tr1_s7_d7,
+};
+
+epic12_device_blitfunction epic12_device_f0_ti1_tr0_blit_funcs[] =
+{
+ epic12_device::draw_sprite_f0_ti1_tr0_s0_d0, epic12_device::draw_sprite_f0_ti1_tr0_s1_d0, epic12_device::draw_sprite_f0_ti1_tr0_s2_d0, epic12_device::draw_sprite_f0_ti1_tr0_s3_d0, epic12_device::draw_sprite_f0_ti1_tr0_s4_d0, epic12_device::draw_sprite_f0_ti1_tr0_s5_d0, epic12_device::draw_sprite_f0_ti1_tr0_s6_d0, epic12_device::draw_sprite_f0_ti1_tr0_s7_d0,
+ epic12_device::draw_sprite_f0_ti1_tr0_s0_d1, epic12_device::draw_sprite_f0_ti1_tr0_s1_d1, epic12_device::draw_sprite_f0_ti1_tr0_s2_d1, epic12_device::draw_sprite_f0_ti1_tr0_s3_d1, epic12_device::draw_sprite_f0_ti1_tr0_s4_d1, epic12_device::draw_sprite_f0_ti1_tr0_s5_d1, epic12_device::draw_sprite_f0_ti1_tr0_s6_d1, epic12_device::draw_sprite_f0_ti1_tr0_s7_d1,
+ epic12_device::draw_sprite_f0_ti1_tr0_s0_d2, epic12_device::draw_sprite_f0_ti1_tr0_s1_d2, epic12_device::draw_sprite_f0_ti1_tr0_s2_d2, epic12_device::draw_sprite_f0_ti1_tr0_s3_d2, epic12_device::draw_sprite_f0_ti1_tr0_s4_d2, epic12_device::draw_sprite_f0_ti1_tr0_s5_d2, epic12_device::draw_sprite_f0_ti1_tr0_s6_d2, epic12_device::draw_sprite_f0_ti1_tr0_s7_d2,
+ epic12_device::draw_sprite_f0_ti1_tr0_s0_d3, epic12_device::draw_sprite_f0_ti1_tr0_s1_d3, epic12_device::draw_sprite_f0_ti1_tr0_s2_d3, epic12_device::draw_sprite_f0_ti1_tr0_s3_d3, epic12_device::draw_sprite_f0_ti1_tr0_s4_d3, epic12_device::draw_sprite_f0_ti1_tr0_s5_d3, epic12_device::draw_sprite_f0_ti1_tr0_s6_d3, epic12_device::draw_sprite_f0_ti1_tr0_s7_d3,
+ epic12_device::draw_sprite_f0_ti1_tr0_s0_d4, epic12_device::draw_sprite_f0_ti1_tr0_s1_d4, epic12_device::draw_sprite_f0_ti1_tr0_s2_d4, epic12_device::draw_sprite_f0_ti1_tr0_s3_d4, epic12_device::draw_sprite_f0_ti1_tr0_s4_d4, epic12_device::draw_sprite_f0_ti1_tr0_s5_d4, epic12_device::draw_sprite_f0_ti1_tr0_s6_d4, epic12_device::draw_sprite_f0_ti1_tr0_s7_d4,
+ epic12_device::draw_sprite_f0_ti1_tr0_s0_d5, epic12_device::draw_sprite_f0_ti1_tr0_s1_d5, epic12_device::draw_sprite_f0_ti1_tr0_s2_d5, epic12_device::draw_sprite_f0_ti1_tr0_s3_d5, epic12_device::draw_sprite_f0_ti1_tr0_s4_d5, epic12_device::draw_sprite_f0_ti1_tr0_s5_d5, epic12_device::draw_sprite_f0_ti1_tr0_s6_d5, epic12_device::draw_sprite_f0_ti1_tr0_s7_d5,
+ epic12_device::draw_sprite_f0_ti1_tr0_s0_d6, epic12_device::draw_sprite_f0_ti1_tr0_s1_d6, epic12_device::draw_sprite_f0_ti1_tr0_s2_d6, epic12_device::draw_sprite_f0_ti1_tr0_s3_d6, epic12_device::draw_sprite_f0_ti1_tr0_s4_d6, epic12_device::draw_sprite_f0_ti1_tr0_s5_d6, epic12_device::draw_sprite_f0_ti1_tr0_s6_d6, epic12_device::draw_sprite_f0_ti1_tr0_s7_d6,
+ epic12_device::draw_sprite_f0_ti1_tr0_s0_d7, epic12_device::draw_sprite_f0_ti1_tr0_s1_d7, epic12_device::draw_sprite_f0_ti1_tr0_s2_d7, epic12_device::draw_sprite_f0_ti1_tr0_s3_d7, epic12_device::draw_sprite_f0_ti1_tr0_s4_d7, epic12_device::draw_sprite_f0_ti1_tr0_s5_d7, epic12_device::draw_sprite_f0_ti1_tr0_s6_d7, epic12_device::draw_sprite_f0_ti1_tr0_s7_d7,
+};
+
+epic12_device_blitfunction epic12_device_f1_ti1_tr1_blit_funcs[] =
+{
+ epic12_device::draw_sprite_f1_ti1_tr1_s0_d0, epic12_device::draw_sprite_f1_ti1_tr1_s1_d0, epic12_device::draw_sprite_f1_ti1_tr1_s2_d0, epic12_device::draw_sprite_f1_ti1_tr1_s3_d0, epic12_device::draw_sprite_f1_ti1_tr1_s4_d0, epic12_device::draw_sprite_f1_ti1_tr1_s5_d0, epic12_device::draw_sprite_f1_ti1_tr1_s6_d0, epic12_device::draw_sprite_f1_ti1_tr1_s7_d0,
+ epic12_device::draw_sprite_f1_ti1_tr1_s0_d1, epic12_device::draw_sprite_f1_ti1_tr1_s1_d1, epic12_device::draw_sprite_f1_ti1_tr1_s2_d1, epic12_device::draw_sprite_f1_ti1_tr1_s3_d1, epic12_device::draw_sprite_f1_ti1_tr1_s4_d1, epic12_device::draw_sprite_f1_ti1_tr1_s5_d1, epic12_device::draw_sprite_f1_ti1_tr1_s6_d1, epic12_device::draw_sprite_f1_ti1_tr1_s7_d1,
+ epic12_device::draw_sprite_f1_ti1_tr1_s0_d2, epic12_device::draw_sprite_f1_ti1_tr1_s1_d2, epic12_device::draw_sprite_f1_ti1_tr1_s2_d2, epic12_device::draw_sprite_f1_ti1_tr1_s3_d2, epic12_device::draw_sprite_f1_ti1_tr1_s4_d2, epic12_device::draw_sprite_f1_ti1_tr1_s5_d2, epic12_device::draw_sprite_f1_ti1_tr1_s6_d2, epic12_device::draw_sprite_f1_ti1_tr1_s7_d2,
+ epic12_device::draw_sprite_f1_ti1_tr1_s0_d3, epic12_device::draw_sprite_f1_ti1_tr1_s1_d3, epic12_device::draw_sprite_f1_ti1_tr1_s2_d3, epic12_device::draw_sprite_f1_ti1_tr1_s3_d3, epic12_device::draw_sprite_f1_ti1_tr1_s4_d3, epic12_device::draw_sprite_f1_ti1_tr1_s5_d3, epic12_device::draw_sprite_f1_ti1_tr1_s6_d3, epic12_device::draw_sprite_f1_ti1_tr1_s7_d3,
+ epic12_device::draw_sprite_f1_ti1_tr1_s0_d4, epic12_device::draw_sprite_f1_ti1_tr1_s1_d4, epic12_device::draw_sprite_f1_ti1_tr1_s2_d4, epic12_device::draw_sprite_f1_ti1_tr1_s3_d4, epic12_device::draw_sprite_f1_ti1_tr1_s4_d4, epic12_device::draw_sprite_f1_ti1_tr1_s5_d4, epic12_device::draw_sprite_f1_ti1_tr1_s6_d4, epic12_device::draw_sprite_f1_ti1_tr1_s7_d4,
+ epic12_device::draw_sprite_f1_ti1_tr1_s0_d5, epic12_device::draw_sprite_f1_ti1_tr1_s1_d5, epic12_device::draw_sprite_f1_ti1_tr1_s2_d5, epic12_device::draw_sprite_f1_ti1_tr1_s3_d5, epic12_device::draw_sprite_f1_ti1_tr1_s4_d5, epic12_device::draw_sprite_f1_ti1_tr1_s5_d5, epic12_device::draw_sprite_f1_ti1_tr1_s6_d5, epic12_device::draw_sprite_f1_ti1_tr1_s7_d5,
+ epic12_device::draw_sprite_f1_ti1_tr1_s0_d6, epic12_device::draw_sprite_f1_ti1_tr1_s1_d6, epic12_device::draw_sprite_f1_ti1_tr1_s2_d6, epic12_device::draw_sprite_f1_ti1_tr1_s3_d6, epic12_device::draw_sprite_f1_ti1_tr1_s4_d6, epic12_device::draw_sprite_f1_ti1_tr1_s5_d6, epic12_device::draw_sprite_f1_ti1_tr1_s6_d6, epic12_device::draw_sprite_f1_ti1_tr1_s7_d6,
+ epic12_device::draw_sprite_f1_ti1_tr1_s0_d7, epic12_device::draw_sprite_f1_ti1_tr1_s1_d7, epic12_device::draw_sprite_f1_ti1_tr1_s2_d7, epic12_device::draw_sprite_f1_ti1_tr1_s3_d7, epic12_device::draw_sprite_f1_ti1_tr1_s4_d7, epic12_device::draw_sprite_f1_ti1_tr1_s5_d7, epic12_device::draw_sprite_f1_ti1_tr1_s6_d7, epic12_device::draw_sprite_f1_ti1_tr1_s7_d7,
+};
+
+epic12_device_blitfunction epic12_device_f1_ti1_tr0_blit_funcs[] =
+{
+ epic12_device::draw_sprite_f1_ti1_tr0_s0_d0, epic12_device::draw_sprite_f1_ti1_tr0_s1_d0, epic12_device::draw_sprite_f1_ti1_tr0_s2_d0, epic12_device::draw_sprite_f1_ti1_tr0_s3_d0, epic12_device::draw_sprite_f1_ti1_tr0_s4_d0, epic12_device::draw_sprite_f1_ti1_tr0_s5_d0, epic12_device::draw_sprite_f1_ti1_tr0_s6_d0, epic12_device::draw_sprite_f1_ti1_tr0_s7_d0,
+ epic12_device::draw_sprite_f1_ti1_tr0_s0_d1, epic12_device::draw_sprite_f1_ti1_tr0_s1_d1, epic12_device::draw_sprite_f1_ti1_tr0_s2_d1, epic12_device::draw_sprite_f1_ti1_tr0_s3_d1, epic12_device::draw_sprite_f1_ti1_tr0_s4_d1, epic12_device::draw_sprite_f1_ti1_tr0_s5_d1, epic12_device::draw_sprite_f1_ti1_tr0_s6_d1, epic12_device::draw_sprite_f1_ti1_tr0_s7_d1,
+ epic12_device::draw_sprite_f1_ti1_tr0_s0_d2, epic12_device::draw_sprite_f1_ti1_tr0_s1_d2, epic12_device::draw_sprite_f1_ti1_tr0_s2_d2, epic12_device::draw_sprite_f1_ti1_tr0_s3_d2, epic12_device::draw_sprite_f1_ti1_tr0_s4_d2, epic12_device::draw_sprite_f1_ti1_tr0_s5_d2, epic12_device::draw_sprite_f1_ti1_tr0_s6_d2, epic12_device::draw_sprite_f1_ti1_tr0_s7_d2,
+ epic12_device::draw_sprite_f1_ti1_tr0_s0_d3, epic12_device::draw_sprite_f1_ti1_tr0_s1_d3, epic12_device::draw_sprite_f1_ti1_tr0_s2_d3, epic12_device::draw_sprite_f1_ti1_tr0_s3_d3, epic12_device::draw_sprite_f1_ti1_tr0_s4_d3, epic12_device::draw_sprite_f1_ti1_tr0_s5_d3, epic12_device::draw_sprite_f1_ti1_tr0_s6_d3, epic12_device::draw_sprite_f1_ti1_tr0_s7_d3,
+ epic12_device::draw_sprite_f1_ti1_tr0_s0_d4, epic12_device::draw_sprite_f1_ti1_tr0_s1_d4, epic12_device::draw_sprite_f1_ti1_tr0_s2_d4, epic12_device::draw_sprite_f1_ti1_tr0_s3_d4, epic12_device::draw_sprite_f1_ti1_tr0_s4_d4, epic12_device::draw_sprite_f1_ti1_tr0_s5_d4, epic12_device::draw_sprite_f1_ti1_tr0_s6_d4, epic12_device::draw_sprite_f1_ti1_tr0_s7_d4,
+ epic12_device::draw_sprite_f1_ti1_tr0_s0_d5, epic12_device::draw_sprite_f1_ti1_tr0_s1_d5, epic12_device::draw_sprite_f1_ti1_tr0_s2_d5, epic12_device::draw_sprite_f1_ti1_tr0_s3_d5, epic12_device::draw_sprite_f1_ti1_tr0_s4_d5, epic12_device::draw_sprite_f1_ti1_tr0_s5_d5, epic12_device::draw_sprite_f1_ti1_tr0_s6_d5, epic12_device::draw_sprite_f1_ti1_tr0_s7_d5,
+ epic12_device::draw_sprite_f1_ti1_tr0_s0_d6, epic12_device::draw_sprite_f1_ti1_tr0_s1_d6, epic12_device::draw_sprite_f1_ti1_tr0_s2_d6, epic12_device::draw_sprite_f1_ti1_tr0_s3_d6, epic12_device::draw_sprite_f1_ti1_tr0_s4_d6, epic12_device::draw_sprite_f1_ti1_tr0_s5_d6, epic12_device::draw_sprite_f1_ti1_tr0_s6_d6, epic12_device::draw_sprite_f1_ti1_tr0_s7_d6,
+ epic12_device::draw_sprite_f1_ti1_tr0_s0_d7, epic12_device::draw_sprite_f1_ti1_tr0_s1_d7, epic12_device::draw_sprite_f1_ti1_tr0_s2_d7, epic12_device::draw_sprite_f1_ti1_tr0_s3_d7, epic12_device::draw_sprite_f1_ti1_tr0_s4_d7, epic12_device::draw_sprite_f1_ti1_tr0_s5_d7, epic12_device::draw_sprite_f1_ti1_tr0_s6_d7, epic12_device::draw_sprite_f1_ti1_tr0_s7_d7,
+};
+
+
+
+epic12_device_blitfunction epic12_device_f0_ti0_tr1_blit_funcs[] =
+{
+ epic12_device::draw_sprite_f0_ti0_tr1_s0_d0, epic12_device::draw_sprite_f0_ti0_tr1_s1_d0, epic12_device::draw_sprite_f0_ti0_tr1_s2_d0, epic12_device::draw_sprite_f0_ti0_tr1_s3_d0, epic12_device::draw_sprite_f0_ti0_tr1_s4_d0, epic12_device::draw_sprite_f0_ti0_tr1_s5_d0, epic12_device::draw_sprite_f0_ti0_tr1_s6_d0, epic12_device::draw_sprite_f0_ti0_tr1_s7_d0,
+ epic12_device::draw_sprite_f0_ti0_tr1_s0_d1, epic12_device::draw_sprite_f0_ti0_tr1_s1_d1, epic12_device::draw_sprite_f0_ti0_tr1_s2_d1, epic12_device::draw_sprite_f0_ti0_tr1_s3_d1, epic12_device::draw_sprite_f0_ti0_tr1_s4_d1, epic12_device::draw_sprite_f0_ti0_tr1_s5_d1, epic12_device::draw_sprite_f0_ti0_tr1_s6_d1, epic12_device::draw_sprite_f0_ti0_tr1_s7_d1,
+ epic12_device::draw_sprite_f0_ti0_tr1_s0_d2, epic12_device::draw_sprite_f0_ti0_tr1_s1_d2, epic12_device::draw_sprite_f0_ti0_tr1_s2_d2, epic12_device::draw_sprite_f0_ti0_tr1_s3_d2, epic12_device::draw_sprite_f0_ti0_tr1_s4_d2, epic12_device::draw_sprite_f0_ti0_tr1_s5_d2, epic12_device::draw_sprite_f0_ti0_tr1_s6_d2, epic12_device::draw_sprite_f0_ti0_tr1_s7_d2,
+ epic12_device::draw_sprite_f0_ti0_tr1_s0_d3, epic12_device::draw_sprite_f0_ti0_tr1_s1_d3, epic12_device::draw_sprite_f0_ti0_tr1_s2_d3, epic12_device::draw_sprite_f0_ti0_tr1_s3_d3, epic12_device::draw_sprite_f0_ti0_tr1_s4_d3, epic12_device::draw_sprite_f0_ti0_tr1_s5_d3, epic12_device::draw_sprite_f0_ti0_tr1_s6_d3, epic12_device::draw_sprite_f0_ti0_tr1_s7_d3,
+ epic12_device::draw_sprite_f0_ti0_tr1_s0_d4, epic12_device::draw_sprite_f0_ti0_tr1_s1_d4, epic12_device::draw_sprite_f0_ti0_tr1_s2_d4, epic12_device::draw_sprite_f0_ti0_tr1_s3_d4, epic12_device::draw_sprite_f0_ti0_tr1_s4_d4, epic12_device::draw_sprite_f0_ti0_tr1_s5_d4, epic12_device::draw_sprite_f0_ti0_tr1_s6_d4, epic12_device::draw_sprite_f0_ti0_tr1_s7_d4,
+ epic12_device::draw_sprite_f0_ti0_tr1_s0_d5, epic12_device::draw_sprite_f0_ti0_tr1_s1_d5, epic12_device::draw_sprite_f0_ti0_tr1_s2_d5, epic12_device::draw_sprite_f0_ti0_tr1_s3_d5, epic12_device::draw_sprite_f0_ti0_tr1_s4_d5, epic12_device::draw_sprite_f0_ti0_tr1_s5_d5, epic12_device::draw_sprite_f0_ti0_tr1_s6_d5, epic12_device::draw_sprite_f0_ti0_tr1_s7_d5,
+ epic12_device::draw_sprite_f0_ti0_tr1_s0_d6, epic12_device::draw_sprite_f0_ti0_tr1_s1_d6, epic12_device::draw_sprite_f0_ti0_tr1_s2_d6, epic12_device::draw_sprite_f0_ti0_tr1_s3_d6, epic12_device::draw_sprite_f0_ti0_tr1_s4_d6, epic12_device::draw_sprite_f0_ti0_tr1_s5_d6, epic12_device::draw_sprite_f0_ti0_tr1_s6_d6, epic12_device::draw_sprite_f0_ti0_tr1_s7_d6,
+ epic12_device::draw_sprite_f0_ti0_tr1_s0_d7, epic12_device::draw_sprite_f0_ti0_tr1_s1_d7, epic12_device::draw_sprite_f0_ti0_tr1_s2_d7, epic12_device::draw_sprite_f0_ti0_tr1_s3_d7, epic12_device::draw_sprite_f0_ti0_tr1_s4_d7, epic12_device::draw_sprite_f0_ti0_tr1_s5_d7, epic12_device::draw_sprite_f0_ti0_tr1_s6_d7, epic12_device::draw_sprite_f0_ti0_tr1_s7_d7,
+};
+
+epic12_device_blitfunction epic12_device_f0_ti0_tr0_blit_funcs[] =
+{
+ epic12_device::draw_sprite_f0_ti0_tr0_s0_d0, epic12_device::draw_sprite_f0_ti0_tr0_s1_d0, epic12_device::draw_sprite_f0_ti0_tr0_s2_d0, epic12_device::draw_sprite_f0_ti0_tr0_s3_d0, epic12_device::draw_sprite_f0_ti0_tr0_s4_d0, epic12_device::draw_sprite_f0_ti0_tr0_s5_d0, epic12_device::draw_sprite_f0_ti0_tr0_s6_d0, epic12_device::draw_sprite_f0_ti0_tr0_s7_d0,
+ epic12_device::draw_sprite_f0_ti0_tr0_s0_d1, epic12_device::draw_sprite_f0_ti0_tr0_s1_d1, epic12_device::draw_sprite_f0_ti0_tr0_s2_d1, epic12_device::draw_sprite_f0_ti0_tr0_s3_d1, epic12_device::draw_sprite_f0_ti0_tr0_s4_d1, epic12_device::draw_sprite_f0_ti0_tr0_s5_d1, epic12_device::draw_sprite_f0_ti0_tr0_s6_d1, epic12_device::draw_sprite_f0_ti0_tr0_s7_d1,
+ epic12_device::draw_sprite_f0_ti0_tr0_s0_d2, epic12_device::draw_sprite_f0_ti0_tr0_s1_d2, epic12_device::draw_sprite_f0_ti0_tr0_s2_d2, epic12_device::draw_sprite_f0_ti0_tr0_s3_d2, epic12_device::draw_sprite_f0_ti0_tr0_s4_d2, epic12_device::draw_sprite_f0_ti0_tr0_s5_d2, epic12_device::draw_sprite_f0_ti0_tr0_s6_d2, epic12_device::draw_sprite_f0_ti0_tr0_s7_d2,
+ epic12_device::draw_sprite_f0_ti0_tr0_s0_d3, epic12_device::draw_sprite_f0_ti0_tr0_s1_d3, epic12_device::draw_sprite_f0_ti0_tr0_s2_d3, epic12_device::draw_sprite_f0_ti0_tr0_s3_d3, epic12_device::draw_sprite_f0_ti0_tr0_s4_d3, epic12_device::draw_sprite_f0_ti0_tr0_s5_d3, epic12_device::draw_sprite_f0_ti0_tr0_s6_d3, epic12_device::draw_sprite_f0_ti0_tr0_s7_d3,
+ epic12_device::draw_sprite_f0_ti0_tr0_s0_d4, epic12_device::draw_sprite_f0_ti0_tr0_s1_d4, epic12_device::draw_sprite_f0_ti0_tr0_s2_d4, epic12_device::draw_sprite_f0_ti0_tr0_s3_d4, epic12_device::draw_sprite_f0_ti0_tr0_s4_d4, epic12_device::draw_sprite_f0_ti0_tr0_s5_d4, epic12_device::draw_sprite_f0_ti0_tr0_s6_d4, epic12_device::draw_sprite_f0_ti0_tr0_s7_d4,
+ epic12_device::draw_sprite_f0_ti0_tr0_s0_d5, epic12_device::draw_sprite_f0_ti0_tr0_s1_d5, epic12_device::draw_sprite_f0_ti0_tr0_s2_d5, epic12_device::draw_sprite_f0_ti0_tr0_s3_d5, epic12_device::draw_sprite_f0_ti0_tr0_s4_d5, epic12_device::draw_sprite_f0_ti0_tr0_s5_d5, epic12_device::draw_sprite_f0_ti0_tr0_s6_d5, epic12_device::draw_sprite_f0_ti0_tr0_s7_d5,
+ epic12_device::draw_sprite_f0_ti0_tr0_s0_d6, epic12_device::draw_sprite_f0_ti0_tr0_s1_d6, epic12_device::draw_sprite_f0_ti0_tr0_s2_d6, epic12_device::draw_sprite_f0_ti0_tr0_s3_d6, epic12_device::draw_sprite_f0_ti0_tr0_s4_d6, epic12_device::draw_sprite_f0_ti0_tr0_s5_d6, epic12_device::draw_sprite_f0_ti0_tr0_s6_d6, epic12_device::draw_sprite_f0_ti0_tr0_s7_d6,
+ epic12_device::draw_sprite_f0_ti0_tr0_s0_d7, epic12_device::draw_sprite_f0_ti0_tr0_s1_d7, epic12_device::draw_sprite_f0_ti0_tr0_s2_d7, epic12_device::draw_sprite_f0_ti0_tr0_s3_d7, epic12_device::draw_sprite_f0_ti0_tr0_s4_d7, epic12_device::draw_sprite_f0_ti0_tr0_s5_d7, epic12_device::draw_sprite_f0_ti0_tr0_s6_d7, epic12_device::draw_sprite_f0_ti0_tr0_s7_d7,
+};
+
+epic12_device_blitfunction epic12_device_f1_ti0_tr1_blit_funcs[] =
+{
+ epic12_device::draw_sprite_f1_ti0_tr1_s0_d0, epic12_device::draw_sprite_f1_ti0_tr1_s1_d0, epic12_device::draw_sprite_f1_ti0_tr1_s2_d0, epic12_device::draw_sprite_f1_ti0_tr1_s3_d0, epic12_device::draw_sprite_f1_ti0_tr1_s4_d0, epic12_device::draw_sprite_f1_ti0_tr1_s5_d0, epic12_device::draw_sprite_f1_ti0_tr1_s6_d0, epic12_device::draw_sprite_f1_ti0_tr1_s7_d0,
+ epic12_device::draw_sprite_f1_ti0_tr1_s0_d1, epic12_device::draw_sprite_f1_ti0_tr1_s1_d1, epic12_device::draw_sprite_f1_ti0_tr1_s2_d1, epic12_device::draw_sprite_f1_ti0_tr1_s3_d1, epic12_device::draw_sprite_f1_ti0_tr1_s4_d1, epic12_device::draw_sprite_f1_ti0_tr1_s5_d1, epic12_device::draw_sprite_f1_ti0_tr1_s6_d1, epic12_device::draw_sprite_f1_ti0_tr1_s7_d1,
+ epic12_device::draw_sprite_f1_ti0_tr1_s0_d2, epic12_device::draw_sprite_f1_ti0_tr1_s1_d2, epic12_device::draw_sprite_f1_ti0_tr1_s2_d2, epic12_device::draw_sprite_f1_ti0_tr1_s3_d2, epic12_device::draw_sprite_f1_ti0_tr1_s4_d2, epic12_device::draw_sprite_f1_ti0_tr1_s5_d2, epic12_device::draw_sprite_f1_ti0_tr1_s6_d2, epic12_device::draw_sprite_f1_ti0_tr1_s7_d2,
+ epic12_device::draw_sprite_f1_ti0_tr1_s0_d3, epic12_device::draw_sprite_f1_ti0_tr1_s1_d3, epic12_device::draw_sprite_f1_ti0_tr1_s2_d3, epic12_device::draw_sprite_f1_ti0_tr1_s3_d3, epic12_device::draw_sprite_f1_ti0_tr1_s4_d3, epic12_device::draw_sprite_f1_ti0_tr1_s5_d3, epic12_device::draw_sprite_f1_ti0_tr1_s6_d3, epic12_device::draw_sprite_f1_ti0_tr1_s7_d3,
+ epic12_device::draw_sprite_f1_ti0_tr1_s0_d4, epic12_device::draw_sprite_f1_ti0_tr1_s1_d4, epic12_device::draw_sprite_f1_ti0_tr1_s2_d4, epic12_device::draw_sprite_f1_ti0_tr1_s3_d4, epic12_device::draw_sprite_f1_ti0_tr1_s4_d4, epic12_device::draw_sprite_f1_ti0_tr1_s5_d4, epic12_device::draw_sprite_f1_ti0_tr1_s6_d4, epic12_device::draw_sprite_f1_ti0_tr1_s7_d4,
+ epic12_device::draw_sprite_f1_ti0_tr1_s0_d5, epic12_device::draw_sprite_f1_ti0_tr1_s1_d5, epic12_device::draw_sprite_f1_ti0_tr1_s2_d5, epic12_device::draw_sprite_f1_ti0_tr1_s3_d5, epic12_device::draw_sprite_f1_ti0_tr1_s4_d5, epic12_device::draw_sprite_f1_ti0_tr1_s5_d5, epic12_device::draw_sprite_f1_ti0_tr1_s6_d5, epic12_device::draw_sprite_f1_ti0_tr1_s7_d5,
+ epic12_device::draw_sprite_f1_ti0_tr1_s0_d6, epic12_device::draw_sprite_f1_ti0_tr1_s1_d6, epic12_device::draw_sprite_f1_ti0_tr1_s2_d6, epic12_device::draw_sprite_f1_ti0_tr1_s3_d6, epic12_device::draw_sprite_f1_ti0_tr1_s4_d6, epic12_device::draw_sprite_f1_ti0_tr1_s5_d6, epic12_device::draw_sprite_f1_ti0_tr1_s6_d6, epic12_device::draw_sprite_f1_ti0_tr1_s7_d6,
+ epic12_device::draw_sprite_f1_ti0_tr1_s0_d7, epic12_device::draw_sprite_f1_ti0_tr1_s1_d7, epic12_device::draw_sprite_f1_ti0_tr1_s2_d7, epic12_device::draw_sprite_f1_ti0_tr1_s3_d7, epic12_device::draw_sprite_f1_ti0_tr1_s4_d7, epic12_device::draw_sprite_f1_ti0_tr1_s5_d7, epic12_device::draw_sprite_f1_ti0_tr1_s6_d7, epic12_device::draw_sprite_f1_ti0_tr1_s7_d7,
+};
+
+epic12_device_blitfunction epic12_device_f1_ti0_tr0_blit_funcs[] =
+{
+ epic12_device::draw_sprite_f1_ti0_tr0_s0_d0, epic12_device::draw_sprite_f1_ti0_tr0_s1_d0, epic12_device::draw_sprite_f1_ti0_tr0_s2_d0, epic12_device::draw_sprite_f1_ti0_tr0_s3_d0, epic12_device::draw_sprite_f1_ti0_tr0_s4_d0, epic12_device::draw_sprite_f1_ti0_tr0_s5_d0, epic12_device::draw_sprite_f1_ti0_tr0_s6_d0, epic12_device::draw_sprite_f1_ti0_tr0_s7_d0,
+ epic12_device::draw_sprite_f1_ti0_tr0_s0_d1, epic12_device::draw_sprite_f1_ti0_tr0_s1_d1, epic12_device::draw_sprite_f1_ti0_tr0_s2_d1, epic12_device::draw_sprite_f1_ti0_tr0_s3_d1, epic12_device::draw_sprite_f1_ti0_tr0_s4_d1, epic12_device::draw_sprite_f1_ti0_tr0_s5_d1, epic12_device::draw_sprite_f1_ti0_tr0_s6_d1, epic12_device::draw_sprite_f1_ti0_tr0_s7_d1,
+ epic12_device::draw_sprite_f1_ti0_tr0_s0_d2, epic12_device::draw_sprite_f1_ti0_tr0_s1_d2, epic12_device::draw_sprite_f1_ti0_tr0_s2_d2, epic12_device::draw_sprite_f1_ti0_tr0_s3_d2, epic12_device::draw_sprite_f1_ti0_tr0_s4_d2, epic12_device::draw_sprite_f1_ti0_tr0_s5_d2, epic12_device::draw_sprite_f1_ti0_tr0_s6_d2, epic12_device::draw_sprite_f1_ti0_tr0_s7_d2,
+ epic12_device::draw_sprite_f1_ti0_tr0_s0_d3, epic12_device::draw_sprite_f1_ti0_tr0_s1_d3, epic12_device::draw_sprite_f1_ti0_tr0_s2_d3, epic12_device::draw_sprite_f1_ti0_tr0_s3_d3, epic12_device::draw_sprite_f1_ti0_tr0_s4_d3, epic12_device::draw_sprite_f1_ti0_tr0_s5_d3, epic12_device::draw_sprite_f1_ti0_tr0_s6_d3, epic12_device::draw_sprite_f1_ti0_tr0_s7_d3,
+ epic12_device::draw_sprite_f1_ti0_tr0_s0_d4, epic12_device::draw_sprite_f1_ti0_tr0_s1_d4, epic12_device::draw_sprite_f1_ti0_tr0_s2_d4, epic12_device::draw_sprite_f1_ti0_tr0_s3_d4, epic12_device::draw_sprite_f1_ti0_tr0_s4_d4, epic12_device::draw_sprite_f1_ti0_tr0_s5_d4, epic12_device::draw_sprite_f1_ti0_tr0_s6_d4, epic12_device::draw_sprite_f1_ti0_tr0_s7_d4,
+ epic12_device::draw_sprite_f1_ti0_tr0_s0_d5, epic12_device::draw_sprite_f1_ti0_tr0_s1_d5, epic12_device::draw_sprite_f1_ti0_tr0_s2_d5, epic12_device::draw_sprite_f1_ti0_tr0_s3_d5, epic12_device::draw_sprite_f1_ti0_tr0_s4_d5, epic12_device::draw_sprite_f1_ti0_tr0_s5_d5, epic12_device::draw_sprite_f1_ti0_tr0_s6_d5, epic12_device::draw_sprite_f1_ti0_tr0_s7_d5,
+ epic12_device::draw_sprite_f1_ti0_tr0_s0_d6, epic12_device::draw_sprite_f1_ti0_tr0_s1_d6, epic12_device::draw_sprite_f1_ti0_tr0_s2_d6, epic12_device::draw_sprite_f1_ti0_tr0_s3_d6, epic12_device::draw_sprite_f1_ti0_tr0_s4_d6, epic12_device::draw_sprite_f1_ti0_tr0_s5_d6, epic12_device::draw_sprite_f1_ti0_tr0_s6_d6, epic12_device::draw_sprite_f1_ti0_tr0_s7_d6,
+ epic12_device::draw_sprite_f1_ti0_tr0_s0_d7, epic12_device::draw_sprite_f1_ti0_tr0_s1_d7, epic12_device::draw_sprite_f1_ti0_tr0_s2_d7, epic12_device::draw_sprite_f1_ti0_tr0_s3_d7, epic12_device::draw_sprite_f1_ti0_tr0_s4_d7, epic12_device::draw_sprite_f1_ti0_tr0_s5_d7, epic12_device::draw_sprite_f1_ti0_tr0_s6_d7, epic12_device::draw_sprite_f1_ti0_tr0_s7_d7,
+};
+
+
+
+inline void epic12_device::gfx_draw_shadow_copy(address_space &space, offs_t *addr)
+{
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr); // UINT16 dst_x_start = COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr); // UINT16 dst_y_start = COPY_NEXT_WORD(space, addr);
+ UINT16 w = COPY_NEXT_WORD(space, addr);
+ UINT16 h = COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+ COPY_NEXT_WORD(space, addr);
+
+
+
+ // todo, calcualte clipping.
+ epic12_device_blit_delay += w*h;
+
+}
+
+
+
+inline void epic12_device::gfx_draw(offs_t *addr)
+{
+ int x,y, dimx,dimy, flipx,flipy;//, src_p;
+ int trans,blend, s_mode, d_mode;
+ clr_t tint_clr;
+ int tinted = 0;
+
+ UINT16 attr = READ_NEXT_WORD(addr);
+ UINT16 alpha = READ_NEXT_WORD(addr);
+ UINT16 src_x = READ_NEXT_WORD(addr);
+ UINT16 src_y = READ_NEXT_WORD(addr);
+ UINT16 dst_x_start = READ_NEXT_WORD(addr);
+ UINT16 dst_y_start = READ_NEXT_WORD(addr);
+ UINT16 w = READ_NEXT_WORD(addr);
+ UINT16 h = READ_NEXT_WORD(addr);
+ UINT16 tint_r = READ_NEXT_WORD(addr);
+ UINT16 tint_gb = READ_NEXT_WORD(addr);
+
+ // 0: +alpha
+ // 1: +source
+ // 2: +dest
+ // 3: *
+ // 4: -alpha
+ // 5: -source
+ // 6: -dest
+ // 7: *
+
+ d_mode = attr & 0x0007;
+ s_mode = (attr & 0x0070) >> 4;
+
+ trans = attr & 0x0100;
+ blend = attr & 0x0200;
+
+ flipy = attr & 0x0400;
+ flipx = attr & 0x0800;
+
+ const UINT8 d_alpha = ((alpha & 0x00ff) )>>3;
+ const UINT8 s_alpha = ((alpha & 0xff00) >> 8 )>>3;
+
+// src_p = 0;
+ src_x = src_x & 0x1fff;
+ src_y = src_y & 0x0fff;
+
+
+ x = (dst_x_start & 0x7fff) - (dst_x_start & 0x8000);
+ y = (dst_y_start & 0x7fff) - (dst_y_start & 0x8000);
+
+ dimx = (w & 0x1fff) + 1;
+ dimy = (h & 0x0fff) + 1;
+
+ // convert parameters to clr
+
+
+ tint_to_clr(tint_r & 0x00ff, (tint_gb >> 8) & 0xff, tint_gb & 0xff, &tint_clr);
+
+ /* interestingly this gets set to 0x20 for 'normal' not 0x1f */
+
+ if (tint_clr.r!=0x20)
+ tinted = 1;
+
+ if (tint_clr.g!=0x20)
+ tinted = 1;
+
+ if (tint_clr.b!=0x20)
+ tinted = 1;
+
+
+ // surprisingly frequent, need to verify if it produces a worthwhile speedup tho.
+ if ((s_mode==0 && s_alpha==0x1f) && (d_mode==4 && d_alpha==0x1f))
+ blend = 0;
+
+ if (tinted)
+ {
+ if (!flipx)
+ {
+ if (trans)
+ {
+ if (!blend)
+ {
+ draw_sprite_f0_ti1_tr1_plain(draw_params);
+ }
+ else
+ {
+ epic12_device_f0_ti1_tr1_blit_funcs[s_mode | (d_mode<<3)](draw_params);
+ }
+ }
+ else
+ {
+ if (!blend)
+ {
+ draw_sprite_f0_ti1_tr0_plain(draw_params);
+ }
+ else
+ {
+ epic12_device_f0_ti1_tr0_blit_funcs[s_mode | (d_mode<<3)](draw_params);
+ }
+ }
+ }
+ else // flipx
+ {
+ if (trans)
+ {
+ if (!blend)
+ {
+ draw_sprite_f1_ti1_tr1_plain(draw_params);
+ }
+ else
+ {
+ epic12_device_f1_ti1_tr1_blit_funcs[s_mode | (d_mode<<3)](draw_params);
+ }
+ }
+ else
+ {
+ if (!blend)
+ {
+ draw_sprite_f1_ti1_tr0_plain(draw_params);
+ }
+ else
+ {
+ epic12_device_f1_ti1_tr0_blit_funcs[s_mode | (d_mode<<3)](draw_params);
+ }
+ }
+ }
+ }
+ else
+ {
+ if (blend==0 && tinted==0)
+ {
+ if (!flipx)
+ {
+ if (trans)
+ {
+ draw_sprite_f0_ti0_tr1_simple(draw_params);
+ }
+ else
+ {
+ draw_sprite_f0_ti0_tr0_simple(draw_params);
+ }
+ }
+ else
+ {
+ if (trans)
+ {
+ draw_sprite_f1_ti0_tr1_simple(draw_params);
+ }
+ else
+ {
+ draw_sprite_f1_ti0_tr0_simple(draw_params);
+ }
+
+ }
+
+ return;
+ }
+
+
+
+ //printf("smode %d dmode %d\n", s_mode, d_mode);
+
+ if (!flipx)
+ {
+ if (trans)
+ {
+ if (!blend)
+ {
+ draw_sprite_f0_ti0_plain(draw_params);
+ }
+ else
+ {
+ epic12_device_f0_ti0_tr1_blit_funcs[s_mode | (d_mode<<3)](draw_params);
+ }
+ }
+ else
+ {
+ if (!blend)
+ {
+ draw_sprite_f0_ti0_tr0_plain(draw_params);
+ }
+ else
+ {
+ epic12_device_f0_ti0_tr0_blit_funcs[s_mode | (d_mode<<3)](draw_params);
+ }
+ }
+ }
+ else // flipx
+ {
+ if (trans)
+ {
+ if (!blend)
+ {
+ draw_sprite_f1_ti0_plain(draw_params);
+ }
+ else
+ {
+ epic12_device_f1_ti0_tr1_blit_funcs[s_mode | (d_mode<<3)](draw_params);
+ }
+ }
+ else
+ {
+ if (!blend)
+ {
+ draw_sprite_f1_ti0_tr0_plain(draw_params);
+ }
+ else
+ {
+ epic12_device_f1_ti0_tr0_blit_funcs[s_mode | (d_mode<<3)](draw_params);
+ }
+ }
+ }
+ }
+
+
+
+}
+
+
+void epic12_device::gfx_create_shadow_copy(address_space &space)
+{
+ offs_t addr = m_gfx_addr & 0x1fffffff;
+ m_clip.set(m_gfx_scroll_1_x_shadowcopy, m_gfx_scroll_1_x_shadowcopy + 320-1, m_gfx_scroll_1_y_shadowcopy, m_gfx_scroll_1_y_shadowcopy + 240-1);
+
+ while (1)
+ {
+ UINT16 data = COPY_NEXT_WORD(space, &addr);
+
+ switch( data & 0xf000 )
+ {
+ case 0x0000:
+ case 0xf000:
+ return;
+
+ case 0xc000:
+ if (COPY_NEXT_WORD(space, &addr)) // cliptype
+ m_clip.set(m_gfx_scroll_1_x_shadowcopy, m_gfx_scroll_1_x_shadowcopy + 320-1, m_gfx_scroll_1_y_shadowcopy, m_gfx_scroll_1_y_shadowcopy + 240-1);
+ else
+ m_clip.set(0, 0x2000-1, 0, 0x1000-1);
+ break;
+
+ case 0x2000:
+ addr -= 2;
+ gfx_upload_shadow_copy(space, &addr);
+ break;
+
+ case 0x1000:
+ addr -= 2;
+ gfx_draw_shadow_copy(space, &addr);
+ break;
+
+ default:
+ popmessage("GFX op = %04X", data);
+ return;
+ }
+ }
+}
+
+
+void epic12_device::gfx_exec(void)
+{
+ offs_t addr = m_gfx_addr_shadowcopy & 0x1fffffff;
+ m_clip.set(m_gfx_scroll_1_x_shadowcopy, m_gfx_scroll_1_x_shadowcopy + 320-1, m_gfx_scroll_1_y_shadowcopy, m_gfx_scroll_1_y_shadowcopy + 240-1);
+
+// logerror("GFX EXEC: %08X\n", addr);
+
+ while (1)
+ {
+ UINT16 data = READ_NEXT_WORD(&addr);
+
+ switch( data & 0xf000 )
+ {
+ case 0x0000:
+ case 0xf000:
+ return;
+
+ case 0xc000:
+ if (READ_NEXT_WORD(&addr)) // cliptype
+ m_clip.set(m_gfx_scroll_1_x_shadowcopy, m_gfx_scroll_1_x_shadowcopy + 320-1, m_gfx_scroll_1_y_shadowcopy, m_gfx_scroll_1_y_shadowcopy + 240-1);
+ else
+ m_clip.set(0, 0x2000-1, 0, 0x1000-1);
+ break;
+
+ case 0x2000:
+ addr -= 2;
+ gfx_upload(&addr);
+ break;
+
+ case 0x1000:
+ addr -= 2;
+ gfx_draw(&addr);
+ break;
+
+ default:
+ popmessage("GFX op = %04X", data);
+ return;
+ }
+ }
+}
+
+
+void epic12_device::gfx_exec_unsafe(void)
+{
+ offs_t addr = m_gfx_addr & 0x1fffffff;
+ m_clip.set(m_gfx_scroll_1_x, m_gfx_scroll_1_x + 320-1, m_gfx_scroll_1_y, m_gfx_scroll_1_y + 240-1);
+
+// logerror("GFX EXEC: %08X\n", addr);
+
+ while (1)
+ {
+ UINT16 data = READ_NEXT_WORD(&addr);
+
+ switch( data & 0xf000 )
+ {
+ case 0x0000:
+ case 0xf000:
+ return;
+
+ case 0xc000:
+ if (READ_NEXT_WORD(&addr)) // cliptype
+ m_clip.set(m_gfx_scroll_1_x, m_gfx_scroll_1_x + 320-1, m_gfx_scroll_1_y, m_gfx_scroll_1_y + 240-1);
+ else
+ m_clip.set(0, 0x2000-1, 0, 0x1000-1);
+ break;
+
+ case 0x2000:
+ addr -= 2;
+ gfx_upload(&addr);
+ break;
+
+ case 0x1000:
+ addr -= 2;
+ gfx_draw(&addr);
+ break;
+
+ default:
+ popmessage("GFX op = %04X", data);
+ return;
+ }
+ }
+}
+
+
+
+void *epic12_device::blit_request_callback(void *param, int threadid)
+{
+ epic12_device *object = reinterpret_cast<epic12_device *>(param);
+
+ object->gfx_exec();
+ return NULL;
+}
+
+
+
+void *epic12_device::blit_request_callback_unsafe(void *param, int threadid)
+{
+ epic12_device *object = reinterpret_cast<epic12_device *>(param);
+
+ epic12_device_blit_delay = 0;
+ object->gfx_exec_unsafe();
+ return NULL;
+}
+
+
+READ32_MEMBER( epic12_device::gfx_ready_r )
+{
+ return 0x00000010;
+}
+
+READ32_MEMBER( epic12_device::gfx_ready_r_unsafe )
+{
+ if (m_blitter_busy)
+ {
+ m_maincpu->spin_until_time(attotime::from_usec(10));
+ return 0x00000000;
+ }
+ else
+ return 0x00000010;
+}
+
+WRITE32_MEMBER( epic12_device::gfx_exec_w )
+{
+ if ( ACCESSING_BITS_0_7 )
+ {
+ if (data & 1)
+ {
+ //g_profiler.start(PROFILER_USER1);
+ // make sure we've not already got a request running
+ if (m_blitter_request)
+ {
+ int result;
+ do
+ {
+ result = osd_work_item_wait(m_blitter_request, 1000);
+ } while (result==0);
+ osd_work_item_release(m_blitter_request);
+ }
+
+ epic12_device_blit_delay = 0;
+ gfx_create_shadow_copy(space); // create a copy of the blit list so we can safely thread it.
+
+ if (epic12_device_blit_delay)
+ {
+ m_blitter_busy = 1;
+ m_blitter_delay_timer->adjust(attotime::from_nsec(epic12_device_blit_delay*8)); // NOT accurate timing (currently ignored anyway)
+ }
+
+ m_gfx_addr_shadowcopy = m_gfx_addr;
+ m_gfx_scroll_0_x_shadowcopy = m_gfx_scroll_0_x;
+ m_gfx_scroll_0_y_shadowcopy = m_gfx_scroll_0_y;
+ m_gfx_scroll_1_x_shadowcopy = m_gfx_scroll_1_x;
+ m_gfx_scroll_1_y_shadowcopy = m_gfx_scroll_1_y;
+ m_blitter_request = osd_work_item_queue(m_work_queue, blit_request_callback, (void*)this, 0);
+ //g_profiler.stop();
+ }
+ }
+}
+
+
+WRITE32_MEMBER( epic12_device::gfx_exec_w_unsafe )
+{
+ if ( ACCESSING_BITS_0_7 )
+ {
+ if (data & 1)
+ {
+ //g_profiler.start(PROFILER_USER1);
+ // make sure we've not already got a request running
+ if (m_blitter_request)
+ {
+ int result;
+ do
+ {
+ result = osd_work_item_wait(m_blitter_request, 1000);
+ } while (result==0);
+ osd_work_item_release(m_blitter_request);
+ }
+
+ if (epic12_device_blit_delay)
+ {
+ m_blitter_busy = 1;
+ int delay = epic12_device_blit_delay*(15 * m_delay_scale / 50);
+ //printf("delay %d\n", delay);
+ m_blitter_delay_timer->adjust(attotime::from_nsec(delay));
+ }
+ else
+ {
+ m_blitter_busy = 0;
+ }
+
+ m_blitter_request = osd_work_item_queue(m_work_queue, blit_request_callback_unsafe, (void*)this, 0);
+ //g_profiler.stop();
+ }
+ }
+}
+
+
+void epic12_device::draw_screen(bitmap_rgb32 &bitmap, const rectangle &cliprect )
+{
+ if (!m_is_unsafe)
+ {
+ if (m_blitter_request)
+ {
+ int result;
+ do
+ {
+ result = osd_work_item_wait(m_blitter_request, 1000);
+ } while (result==0);
+ osd_work_item_release(m_blitter_request);
+ }
+ }
+
+ int scroll_0_x, scroll_0_y;
+// int scroll_1_x, scroll_1_y;
+
+ bitmap.fill(0, cliprect);
+
+ scroll_0_x = -m_gfx_scroll_0_x;
+ scroll_0_y = -m_gfx_scroll_0_y;
+// scroll_1_x = -m_gfx_scroll_1_x;
+// scroll_1_y = -m_gfx_scroll_1_y;
+
+ //printf("SCREEN UPDATE\n %d %d %d %d\n", scroll_0_x, scroll_0_y, scroll_1_x, scroll_1_y);
+
+ copyscrollbitmap(bitmap, *m_bitmaps, 1,&scroll_0_x, 1,&scroll_0_y, cliprect);
+}
+
+
+
+
+
+
+READ32_MEMBER( epic12_device::blitter_r )
+{
+ switch (offset*4)
+ {
+ case 0x10:
+ return gfx_ready_r(space, offset, mem_mask);
+
+ case 0x24:
+ return 0xffffffff;
+
+ case 0x28:
+ return 0xffffffff;
+
+ case 0x50:
+ return space.machine().root_device().ioport(":DSW")->read();
+
+ default:
+ logerror("unknownblitter_r %08x %08x\n", offset*4, mem_mask);
+ break;
+
+ }
+ return 0;
+}
+
+READ32_MEMBER( epic12_device::blitter_r_unsafe )
+{
+ switch (offset*4)
+ {
+ case 0x10:
+ return gfx_ready_r_unsafe(space, offset, mem_mask);
+
+ case 0x24:
+ return 0xffffffff;
+
+ case 0x28:
+ return 0xffffffff;
+
+ case 0x50:
+ return space.machine().root_device().ioport(":DSW")->read();
+
+ default:
+ logerror("unknownblitter_r %08x %08x\n", offset*4, mem_mask);
+ break;
+
+ }
+ return 0;
+}
+
+
+WRITE32_MEMBER( epic12_device::blitter_w )
+{
+ switch (offset*4)
+ {
+ case 0x04:
+ gfx_exec_w(space,offset,data,mem_mask);
+ break;
+
+ case 0x08:
+ COMBINE_DATA(&m_gfx_addr);
+ break;
+
+ case 0x14:
+ COMBINE_DATA(&m_gfx_scroll_0_x);
+ break;
+
+ case 0x18:
+ COMBINE_DATA(&m_gfx_scroll_0_y);
+ break;
+
+ case 0x40:
+ COMBINE_DATA(&m_gfx_scroll_1_x);
+ break;
+
+ case 0x44:
+ COMBINE_DATA(&m_gfx_scroll_1_y);
+ break;
+
+ }
+}
+
+WRITE32_MEMBER( epic12_device::blitter_w_unsafe )
+{
+ switch (offset*4)
+ {
+ case 0x04:
+ gfx_exec_w_unsafe(space,offset,data,mem_mask);
+ break;
+
+ case 0x08:
+ COMBINE_DATA(&m_gfx_addr);
+ break;
+
+ case 0x14:
+ COMBINE_DATA(&m_gfx_scroll_0_x);
+ break;
+
+ case 0x18:
+ COMBINE_DATA(&m_gfx_scroll_0_y);
+ break;
+
+ case 0x40:
+ COMBINE_DATA(&m_gfx_scroll_1_x);
+ break;
+
+ case 0x44:
+ COMBINE_DATA(&m_gfx_scroll_1_y);
+ break;
+
+ }
+}
+
+void epic12_device::install_handlers(int addr1, int addr2)
+{
+ address_space &space = m_maincpu->space(AS_PROGRAM);
+
+ read32_delegate read;
+ write32_delegate write;
+
+ if (m_is_unsafe)
+ {
+ printf("using unsafe blit code!\n");
+ read = read32_delegate(FUNC(epic12_device::blitter_r_unsafe), this);
+ write = write32_delegate(FUNC(epic12_device::blitter_w_unsafe), this);
+ }
+ else
+ {
+ read = read32_delegate(FUNC(epic12_device::blitter_r), this);
+ write = write32_delegate(FUNC(epic12_device::blitter_w), this);
+ }
+
+ space.install_readwrite_handler(addr1, addr2, read , write, U64(0xffffffffffffffff));
+}
+
+READ64_MEMBER( epic12_device::fpga_r )
+{
+ return 0xff;
+}
+
+// todo, store what's written here and checksum it, different microcode probably leads to slightly different blitter timings
+WRITE64_MEMBER( epic12_device::fpga_w )
+{
+ if (ACCESSING_BITS_24_31)
+ {
+ // data & 0x08 = CE
+ // data & 0x10 = CLK
+ // data & 0x20 = DATA
+ }
+}