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diff --git a/src/mame/drivers/hp2640.cpp b/src/mame/drivers/hp2640.cpp
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-// license:BSD-3-Clause
-// copyright-holders:F. Ulivi
-//
-// **********************************
-// Driver for HP2640-series terminals
-// **********************************
-//
-// HP264x terminals are built around a few common elements:
-// - Chassis with a passive card cage and power supply. Cards share a common bus
-// with a daisy-chained priority order (i.e. cards closer to power supply have
-// higher priority in accessing the bus). The bus also distributes a 4.9152 MHz
-// system clock.
-// - White phosphor CRT (with its unusual 2:1 ratio) and the related drive board
-// - Keyboard
-// The "personality" in each version is in the set of cards installed in
-// the card cage (and in a few minor differences of the common elements).
-// This driver emulates the HP2645A model, as composed of the following cards:
-// - 02640-60123 Keyboard interface
-// - 02640-60112 Display control
-// - 02640-60088 Display timing
-// - 02640-60124 Display extended DMA
-// - 02640-60024 Display enhancement
-// - 02640-60209 CPU
-// - 02640-60192 Control storage (firmware ROMs & 256-byte SRAM)
-// - 02640-60065 4k DRAM (4 of these for a 16k total)
-// - 02640-60086 Asynchronous data comm
-//
-// The following table summarizes the emulated character sets.
-//
-// | Char. set | Description | No. of chars | ROMs | Type |
-// |-----------+----------------+--------------+-----------+-------------------|
-// | 0 | Std ASCII set | 128 | 1816-0612 | Alphanumeric |
-// | | | | 1816-0613 | |
-// | 1 | Math symbols | 64 | 1816-0642 | Alphanumeric |
-// | 2 | Line drawing | 64 | 1816-1417 | 8-bit microvector |
-// | 3 | Big characters | 64 | 1816-1425 | 8-bit microvector |
-//
-// All characters are rendered in a 9x15 cell.
-// Fonts are rendered in different ways according to type: alphanumeric fonts
-// take advantage of half-pixel shifting for aesthetic improvement, microvector fonts
-// are rendered by mapping 8 bits to 9 pixels (bit 0 is displayed twice).
-// Earlier versions of display hw used weird 9-bit PROMs for microvector fonts.
-// Then, luckily, HP wised up and reverted to 8-bit memories.
-//
-// All non-volatile settings of this terminal are "stored" in mechanical switches
-// and not in non-volatile memories (they were probably too expensive/limited/unreliable
-// back then).
-// There are 3 switches in a corner of the keyboard (data comm switches) and 24 option
-// switches (named A to Z) on the keyboard interface PCB.
-//
-// Notes:
-// - Speed of the CPU is not accurately emulated. The effects of bus sharing by
-// video DMA and CPU are not taken into account.
-// - LEDs are not output.
-// - RESET key is not implemented.
-// - A few TODOs here & there.
-// - DC100 data cassettes are not emulated.
-
-#include "emu.h"
-#include "screen.h"
-#include "cpu/i8085/i8085.h"
-#include "machine/timer.h"
-#include "bus/rs232/rs232.h"
-#include "machine/ay31015.h"
-#include "machine/clock.h"
-#include "sound/beep.h"
-#include "emupal.h"
-#include "speaker.h"
-
-#include "hp2640.lh"
-
-// Debugging
-#define VERBOSE 0
-#include "logmacro.h"
-
-// Bit manipulation
-namespace {
- template<typename T> constexpr T BIT_MASK(unsigned n)
- {
- return (T)1U << n;
- }
-
- template<typename T> void BIT_CLR(T& w , unsigned n)
- {
- w &= ~BIT_MASK<T>(n);
- }
-
- template<typename T> void BIT_SET(T& w , unsigned n)
- {
- w |= BIT_MASK<T>(n);
- }
-
- template<typename T> void COPY_BIT(bool bit , T& w , unsigned n)
- {
- if (bit) {
- BIT_SET(w , n);
- } else {
- BIT_CLR(w , n);
- }
- }
-}
-
-// **** Constants ****
-constexpr auto SYS_CLOCK = XTAL(4'915'200);
-constexpr auto VIDEO_DOT_CLOCK = XTAL(21'060'000);
-constexpr unsigned VIDEO_VIS_ROWS = 24;
-constexpr unsigned VIDEO_TOT_ROWS = 25;
-constexpr unsigned VIDEO_VIS_COLS = 80;
-constexpr unsigned VIDEO_TOT_COLS = 104;
-constexpr unsigned VIDEO_CHAR_WIDTH = 9;
-constexpr unsigned VIDEO_CHAR_HEIGHT = 15;
-constexpr uint16_t START_DMA_ADDR = 0xffff;
-constexpr unsigned MAX_DMA_CYCLES = 450;
-constexpr unsigned CURSOR_BLINK_INH_MS = 110;
-constexpr unsigned BEEP_FREQUENCY = 650;
-constexpr unsigned BEEP_DURATION_MS = 100;
-
-// ************
-// hp2645_state
-// ************
-class hp2645_state : public driver_device
-{
-public:
- hp2645_state(const machine_config &mconfig, device_type type, const char *tag);
-
- void hp2645(machine_config &config);
-
-private:
- virtual void machine_start() override;
- virtual void machine_reset() override;
-
- IRQ_CALLBACK_MEMBER(irq_callback);
-
- void mode_byte_w(uint8_t data);
- TIMER_DEVICE_CALLBACK_MEMBER(timer_10ms_exp);
-
- uint8_t kb_r(offs_t offset);
- void kb_prev_w(uint8_t data);
- void kb_reset_w(uint8_t data);
- uint8_t switches_ah_r();
- uint8_t switches_jr_r();
- uint8_t switches_sz_r();
- uint8_t datacomm_sw_r();
- void kb_led_w(uint8_t data);
-
- uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
- TIMER_DEVICE_CALLBACK_MEMBER(scanline_timer);
- void cx_w(uint8_t data);
- void cy_w(uint8_t data);
- TIMER_DEVICE_CALLBACK_MEMBER(timer_cursor_blink_inh);
-
- uint8_t async_status_r();
- void async_control_w(uint8_t data);
- DECLARE_WRITE_LINE_MEMBER(async_dav_w);
- DECLARE_WRITE_LINE_MEMBER(async_txd_w);
-
- TIMER_DEVICE_CALLBACK_MEMBER(timer_beep_exp);
-
- void cpu_io_map(address_map &map);
- void cpu_mem_map(address_map &map);
-
- required_device<i8080a_cpu_device> m_cpu;
- required_device<timer_device> m_timer_10ms;
- required_ioport_array<4> m_io_key;
- required_ioport m_io_comm;
- required_ioport m_io_sw_ah;
- required_ioport m_io_sw_jr;
- required_ioport m_io_sw_sz;
- required_device<screen_device> m_screen;
- required_device<palette_device> m_palette;
- required_device<timer_device> m_timer_cursor_blink_inh;
- required_device<rs232_port_device> m_rs232;
- required_device<ay51013_device> m_uart;
- required_device<clock_device> m_uart_clock;
- required_device<beep_device> m_beep;
- required_device<timer_device> m_timer_beep;
-
- uint8_t m_mode_byte;
- bool m_timer_irq;
- bool m_datacom_irq;
-
- // Character generators
- required_region_ptr_array<uint8_t , 4> m_chargen;
-
- // Video DMA
- struct line_buffer {
- uint8_t m_chars[ VIDEO_VIS_COLS ];
- uint8_t m_attrs[ VIDEO_VIS_COLS ];
- };
- struct line_buffer m_buffers[ 2 ];
- bool m_even;
- bool m_dma_on; // U310-9
- bool m_line_done;
- uint16_t m_dma_addr;
- uint8_t m_row_counter;
- bool m_row_clock; // U21-5
- bool m_row_reset; // U11-1
- bool m_eop; // U311-9
- bool m_eol; // U211-9
- bool m_skipeol; // U311-5
- bool m_en_skipeol; // U211-5
-
- // Video
- bitmap_rgb32 m_bitmap;
- uint8_t m_cursor_x;
- uint8_t m_cursor_y;
- bool m_cursor_blink_inh;
- bool m_blanking;
-
- // Async line interface
- uint8_t m_async_control;
-
- void update_irq();
- uint8_t video_dma_get();
- void video_load_buffer(bool buff_idx , unsigned& idx , uint8_t ch , bool iv , uint8_t attrs);
- void video_fill_buffer(bool buff_idx , unsigned max_cycles);
- void video_render_buffer(unsigned video_scanline , unsigned line_in_row , bool buff_idx , bool cyen);
- void update_async_control(uint8_t new_control);
- void update_async_irq();
-};
-
-hp2645_state::hp2645_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig , type , tag),
- m_cpu(*this , "cpu"),
- m_timer_10ms(*this , "timer_10ms"),
- m_io_key(*this , "KEY%u" , 0),
- m_io_comm(*this , "comm"),
- m_io_sw_ah(*this , "sw_ah"),
- m_io_sw_jr(*this , "sw_jr"),
- m_io_sw_sz(*this , "sw_sz"),
- m_screen(*this , "screen"),
- m_palette(*this , "palette"),
- m_timer_cursor_blink_inh(*this , "timer_cursor_blink_inh"),
- m_rs232(*this , "rs232"),
- m_uart(*this , "uart"),
- m_uart_clock(*this , "uart_clock"),
- m_beep(*this , "beep"),
- m_timer_beep(*this , "timer_beep"),
- m_chargen(*this , "chargen%u" , 0)
-{
-}
-
-void hp2645_state::machine_start()
-{
- m_screen->register_screen_bitmap(m_bitmap);
-
- // TODO: save more state
- save_item(NAME(m_mode_byte));
- save_item(NAME(m_timer_irq));
- save_item(NAME(m_datacom_irq));
-}
-
-void hp2645_state::machine_reset()
-{
- m_mode_byte = 0;
- m_timer_irq = false;
- m_datacom_irq = false;
- m_timer_10ms->reset();
- update_irq();
- m_blanking = true;
- m_dma_on = true;
- m_eop = true;
- m_uart->write_xr(1);
- m_uart->write_swe(0);
- m_uart->write_cs(1);
- m_uart->write_nb2(1);
- m_async_control = 0;
- m_uart_clock->set_unscaled_clock(0);
- update_async_control(0x00);
- m_rs232->write_dtr(0);
- async_txd_w(0);
- m_beep->set_state(0);
-}
-
-IRQ_CALLBACK_MEMBER(hp2645_state::irq_callback)
-{
- uint8_t res;
-
- // Encode interrupts in restart instruction (in order of decreasing priority)
- if (m_datacom_irq && !BIT(m_mode_byte , 4)) {
- // RST 4
- res = 0xe7;
- } else if (m_timer_irq && !BIT(m_mode_byte , 5)) {
- // RST 3
- res = 0xdf;
- } else {
- // RST 0: should never happen (TM)
- res = 0xc7;
- }
- LOG("IRQ ACK %02x\n" , res);
- return res;
-}
-
-void hp2645_state::mode_byte_w(uint8_t data)
-{
- if (BIT(m_mode_byte , 0) && !BIT(data , 0)) {
- m_timer_10ms->reset();
- } else if (!BIT(m_mode_byte , 0) && BIT(data , 0)) {
- m_timer_10ms->adjust(attotime::from_msec(10) , 0 , attotime::from_msec(10));
- }
- m_mode_byte = data;
-
- if (!BIT(m_mode_byte , 1)) {
- m_timer_irq = false;
- }
- update_irq();
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hp2645_state::timer_10ms_exp)
-{
- if (BIT(m_mode_byte , 1)) {
- m_timer_irq = true;
- update_irq();
- }
-}
-
-uint8_t hp2645_state::kb_r(offs_t offset)
-{
- ioport_value k = m_io_key[ offset / 4 ]->read();
-
- return uint8_t(k >> (8 * (offset % 4)));
-}
-
-void hp2645_state::kb_prev_w(uint8_t data)
-{
- // This port is used to set the threshold in key sense circuit for hysteresis.
- // We can safely ignore all writes.
-}
-
-void hp2645_state::kb_reset_w(uint8_t data)
-{
- // TODO: enabled/disable CPU reset
-}
-
-uint8_t hp2645_state::switches_ah_r()
-{
- uint8_t res = m_io_sw_ah->read();
- LOG("SW AH=%02x\n" , res);
- return res;
-}
-
-uint8_t hp2645_state::switches_jr_r()
-{
- uint8_t res = m_io_sw_jr->read();
- LOG("SW JR=%02x\n" , res);
- return res;
-}
-
-uint8_t hp2645_state::switches_sz_r()
-{
- uint8_t res = m_io_sw_sz->read();
- LOG("SW SZ=%02x\n" , res);
- return res;
-}
-
-uint8_t hp2645_state::datacomm_sw_r()
-{
- uint8_t res = m_io_comm->read();
- LOG("COM SW=%02x\n" , res);
- return res;
-}
-
-void hp2645_state::kb_led_w(uint8_t data)
-{
- if (BIT(data , 7)) {
- m_beep->set_state(1);
- m_timer_beep->adjust(attotime::from_msec(BEEP_DURATION_MS));
- }
- // TODO:
- LOG("LED = %02x\n" , data);
-}
-
-uint32_t hp2645_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
-{
- copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect);
- return 0;
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hp2645_state::scanline_timer)
-{
- unsigned video_scanline = param;
- if (video_scanline < VIDEO_VIS_ROWS * VIDEO_CHAR_HEIGHT) {
- unsigned row = video_scanline / VIDEO_CHAR_HEIGHT;
- unsigned line_in_row = video_scanline - row * VIDEO_CHAR_HEIGHT;
-
- if (line_in_row == 0) {
- if (row == VIDEO_VIS_ROWS - 1) {
- // Start of V blank (GVS)
- m_even = true;
- m_row_reset = true;
- m_row_counter = 0;
- m_dma_addr = START_DMA_ADDR;
- m_eop = m_blanking;
- m_skipeol = false;
- } else {
- m_even = !m_even;
- }
- m_line_done = false;
- video_fill_buffer(m_even , MAX_DMA_CYCLES);
- };
- video_render_buffer(video_scanline , line_in_row , !m_even , row == m_cursor_y);
- }
-}
-
-void hp2645_state::cx_w(uint8_t data)
-{
- m_cursor_x = data & 0x7f;
- m_cursor_blink_inh = true;
- m_timer_cursor_blink_inh->adjust(attotime::from_msec(CURSOR_BLINK_INH_MS));
-}
-
-void hp2645_state::cy_w(uint8_t data)
-{
- m_blanking = BIT(data , 7);
- m_cursor_y = data & 0x1f;
- m_dma_on = m_blanking || !BIT(data , 6);
- if (m_cursor_y == m_row_counter) {
- LOG("ROW MATCH %02x\n" , data);
- if (!BIT(data , 6) && BIT(data , 5)) {
- LOG("EOP on cy\n");
- m_eop = true;
- }
- if (BIT(data , 6) && !BIT(data , 5) && m_en_skipeol) {
- LOG("SKIPEOL on cy\n");
- m_skipeol = true;
- }
- }
- if (m_dma_on) {
- // Fill buffer if DMA is enabled for the 1st time on the current line
- // TODO: compute correct max. no. of cycles
- video_fill_buffer(m_even , MAX_DMA_CYCLES);
- }
- m_cursor_blink_inh = true;
- m_timer_cursor_blink_inh->adjust(attotime::from_msec(CURSOR_BLINK_INH_MS));
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hp2645_state::timer_cursor_blink_inh)
-{
- m_cursor_blink_inh = false;
-}
-
-uint8_t hp2645_state::async_status_r()
-{
- uint8_t res = 0;
-
- if (m_uart->dav_r()) {
- BIT_SET(res, 0);
- }
- if (m_uart->tbmt_r()) {
- BIT_SET(res, 1);
- }
- if (m_uart->or_r()) {
- BIT_SET(res, 2);
- }
- if (m_uart->pe_r()) {
- BIT_SET(res, 3);
- }
- if (m_rs232->dcd_r()) {
- BIT_SET(res, 4);
- }
- if (m_rs232->cts_r()) {
- BIT_SET(res, 5);
- }
- // Secondary ch. receive always 1
- BIT_SET(res, 6);
- LOG("ASYNC ST=%02x\n" , res);
- return res;
-}
-
-void hp2645_state::async_control_w(uint8_t data)
-{
- update_async_control(data);
-}
-
-WRITE_LINE_MEMBER(hp2645_state::async_dav_w)
-{
- update_async_irq();
-}
-
-WRITE_LINE_MEMBER(hp2645_state::async_txd_w)
-{
- m_rs232->write_txd(!BIT(m_async_control , 6) && m_uart->so_r());
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hp2645_state::timer_beep_exp)
-{
- m_beep->set_state(0);
-}
-
-void hp2645_state::update_irq()
-{
- bool state = (m_datacom_irq && !BIT(m_mode_byte , 4)) ||
- (m_timer_irq && !BIT(m_mode_byte , 5));
- m_cpu->set_input_line(I8085_INTR_LINE , state);
-}
-
-uint8_t hp2645_state::video_dma_get()
-{
- uint8_t b = m_cpu->space(AS_PROGRAM).read_byte(m_dma_addr | 0xc000);
- m_dma_addr--;
- return b;
-}
-
-void hp2645_state::video_load_buffer(bool buff_idx , unsigned& idx , uint8_t ch , bool iv , uint8_t attrs)
-{
- COPY_BIT(iv, ch, 7);
- m_buffers[ buff_idx ].m_chars[ idx ] = ch;
- // Real hw only stores bits 5,4,3,2,0
- m_buffers[ buff_idx ].m_attrs[ idx ] = attrs;
- idx++;
- m_en_skipeol = false;
- m_row_reset = false;
-}
-
-void hp2645_state::video_fill_buffer(bool buff_idx , unsigned max_cycles)
-{
- if (m_line_done || !m_dma_on) {
- return;
- }
- m_line_done = true;
- m_row_clock = true;
- m_eol = false;
- bool curr_iv = false; // U310-5
- uint8_t curr_attrs = 0;
- bool link_lsb = false;
- uint8_t dma_byte = 0;
-
- for (unsigned i = 0 , mem_cycles = 0; i < VIDEO_VIS_COLS && mem_cycles < max_cycles; mem_cycles++) {
- if (link_lsb) {
- uint8_t lsb = video_dma_get();
- if ((lsb & 0xf) != 0xf) {
- // This link is a pointer to a new row
- if (m_row_clock) {
- m_row_clock = false;
- if (!m_row_reset) {
- m_row_counter++;
- }
- }
- m_skipeol = false;
- }
- m_dma_addr = (uint16_t(dma_byte) << 8) | lsb;
- link_lsb = false;
- } else if (m_eop || m_eol) {
- curr_iv = false;
- curr_attrs = 0;
- // Load spaces
- video_load_buffer(buff_idx, i, 0x20, false, 0);
- } else {
- dma_byte = video_dma_get();
- // Decode byte type
- if (!BIT(dma_byte , 7)) {
- // 0xxx-xxxx
- // DATA byte (ordinary character)
- if (!m_skipeol) {
- video_load_buffer(buff_idx, i, dma_byte, curr_iv, curr_attrs);
- }
- } else if (!BIT(dma_byte , 6)) {
- // 10xx-xxxx
- // CONTROL byte
- // Bit(s) Content
- // ================
- // 5..4 Character set selection
- // 3 Half-brightness
- // 2 Underline
- // 1 Inverse video
- // 0 Blink
- curr_iv = BIT(dma_byte , 1);
- curr_attrs = dma_byte;
- } else if (BIT(dma_byte , 5) || BIT(dma_byte , 4)) {
- // 111x-xxxx or 1101-xxxx
- // Link MSB
- link_lsb = true;
- } else if (!BIT(dma_byte , 3) || !BIT(dma_byte , 2)) {
- // 1100-0xxx or 1100-10xx
- // Flags: ignored
- } else if (!BIT(dma_byte , 1)) {
- // 1100-110x
- // EOL
- if (!m_skipeol) {
- m_eol = true;
- m_en_skipeol = true;
- }
- m_skipeol = false;
- } else if (!BIT(dma_byte , 0)) {
- // 1100-1110
- // EOP
- m_eop = true;
- } else {
- // 1100-1111
- // "O" data byte
- if (!m_skipeol) {
- video_load_buffer(buff_idx, i, dma_byte, curr_iv, curr_attrs);
- }
- }
- }
- }
-}
-
-void hp2645_state::video_render_buffer(unsigned video_scanline , unsigned line_in_row , bool buff_idx , bool cyen)
-{
- if (m_blanking) {
- m_bitmap.fill(rgb_t::black() , rectangle(0 , VIDEO_VIS_COLS * VIDEO_CHAR_WIDTH * 2 , video_scanline , video_scanline));
- return;
- }
-
- bool cursor_blink;
- unsigned fn = (unsigned)m_screen->frame_number();
- unsigned fn_12 = fn / 12;
- if (m_cursor_blink_inh) {
- cursor_blink = true;
- if (BIT(fn , 0)) {
- cyen = false;
- }
- } else {
- cursor_blink = BIT(fn_12 , 0);
- }
-
- for (unsigned i = 0 , x_left = 0; i < VIDEO_VIS_COLS; i++ , x_left += VIDEO_CHAR_WIDTH * 2) {
- uint8_t ch = m_buffers[ buff_idx ].m_chars[ i ];
- bool iv = BIT(ch , 7);
- BIT_CLR(ch, 7);
- uint8_t attrs = m_buffers[ buff_idx ].m_attrs[ i ];
- uint8_t char_set = (attrs >> 4) & 3;
- uint16_t ch_addr = ch & 0x1f;
- if (BIT(ch , 6)) {
- BIT_SET(ch_addr, 5);
- }
- uint8_t byte;
- if (char_set == 0 && ((ch <= 0x1f) || (ch >= 0x60))) {
- BIT_SET(ch_addr, 6);
- }
- if (char_set == 0 || ch >= 0x20) {
- byte = ~m_chargen[ char_set ][ (ch_addr << 4) + line_in_row ];
- } else {
- byte = 0;
- }
- uint16_t pixels_e;
- uint16_t pixels_o;
- bool microvector = (char_set == 2) || (char_set == 3);
-
- if (cyen && (line_in_row == 11 || line_in_row == 12) && i == m_cursor_x) {
- pixels_e = pixels_o = cursor_blink ? ~0 : 0;
- } else if (BIT(fn_12 , 1) && BIT(attrs , 0)) {
- pixels_e = pixels_o = 0;
- } else if (line_in_row == 11 && BIT(attrs , 2)) {
- pixels_e = pixels_o = ~0;
- } else if (microvector) {
- pixels_e = pixels_o = uint16_t(byte) << 1;
- // Copy b0
- if (BIT(pixels_e , 1)) {
- BIT_SET(pixels_e, 0);
- BIT_SET(pixels_o, 0);
- }
- } else {
- bool half_shift = BIT(byte , 0);
- pixels_e = pixels_o = uint16_t(byte & 0xfe);
- if (half_shift) {
- pixels_e <<= 1;
- if (BIT(pixels_o , 7)) {
- BIT_SET(pixels_o, 8);
- }
- }
- }
- if (iv) {
- pixels_e = ~pixels_e;
- pixels_o = ~pixels_o;
- }
- unsigned on_pen = BIT(attrs , 3) ? 1 : 2;
- for (unsigned x = 0; x < VIDEO_CHAR_WIDTH * 2; x += 2) {
- m_bitmap.pix(video_scanline , x_left + x) = m_palette->pen(BIT(pixels_e , 0) ? on_pen : 0);
- m_bitmap.pix(video_scanline , x_left + x + 1) = m_palette->pen(BIT(pixels_o , 0) ? on_pen : 0);
- pixels_e >>= 1;
- pixels_o >>= 1;
- }
- }
-}
-
-static const unsigned baud_rate_divisors[] = {
- 0, // 0: external clock (here: no clock)
- 2800, // 1: 110 baud
- 2048, // 2: 150 baud
- 1024, // 3: 300 baud
- 256, // 4: 1200 baud
- 128, // 5: 2400 baud
- 64, // 6: 4800 baud
- 32 // 7: 9600 baud
-};
-
-void hp2645_state::update_async_control(uint8_t new_control)
-{
- LOG("ASYNC CT=%02x\n" , new_control);
- uint8_t diff = m_async_control ^ new_control;
- m_async_control = new_control;
- m_rs232->write_rts(BIT(m_async_control , 0));
- if (diff & 0x0e) {
- unsigned new_rate_idx = (m_async_control >> 1) & 0x07;
- // Set baud rate
- double rxc_txc_freq;
- if (new_rate_idx == 0) {
- rxc_txc_freq = 0.0;
- } else {
- rxc_txc_freq = SYS_CLOCK.dvalue() / baud_rate_divisors[ new_rate_idx ];
- }
- m_uart_clock->set_unscaled_clock(rxc_txc_freq);
- m_uart->write_tsb(new_rate_idx == 1);
- LOG("ASYNC freq=%f\n" , rxc_txc_freq);
- }
- if (diff & 0x30) {
- m_uart->write_np(BIT(new_control , 5));
- m_uart->write_nb1(BIT(new_control , 5));
- m_uart->write_eps(BIT(new_control , 4));
- }
- // Update TxD
- async_txd_w(0);
-}
-
-void hp2645_state::update_async_irq()
-{
- m_datacom_irq = m_uart->dav_r();
- LOG("ASYNC IRQ=%d\n" , m_datacom_irq);
- update_irq();
-}
-
-#define IOP_MASK(x) BIT_MASK<ioport_value>((x))
-
-static INPUT_PORTS_START(hp2645)
- PORT_START("KEY0")
- PORT_BIT(IOP_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) // 000 CONTROL
- PORT_BIT(IOP_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) // 001 ESC
- PORT_BIT(IOP_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') // 002 TAB
- PORT_BIT(IOP_MASK(3) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // 003 LSHIFT
- PORT_BIT(IOP_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_MAMEKEY(RSHIFT)) // 004 RSHIFT
- PORT_BIT(IOP_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) // 005 PAD1
- PORT_BIT(IOP_MASK(6) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) // 006 PAD4
- PORT_BIT(IOP_MASK(7) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) // 007 BS
- PORT_BIT(IOP_MASK(8) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_TOGGLE PORT_NAME("Remote") // 010 REMOTE
- PORT_BIT(IOP_MASK(9) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') // 011 1
- PORT_BIT(IOP_MASK(10) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') // 012 Q
- PORT_BIT(IOP_MASK(11) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') // 013 Z
- PORT_BIT(IOP_MASK(12) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_NAME("RETURN") // 014 RETURN
- PORT_BIT(IOP_MASK(13) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) // 015 PAD2
- PORT_BIT(IOP_MASK(14) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) // 016 PAD5
- PORT_BIT(IOP_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('\\') PORT_CHAR('|') // 017 BACKSLASH
- PORT_BIT(IOP_MASK(16) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_NAME("Caps lock") // 020 CAPS LOCK
- PORT_BIT(IOP_MASK(17) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') // 021 2
- PORT_BIT(IOP_MASK(18) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') // 022 W
- PORT_BIT(IOP_MASK(19) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') // 023 X
- PORT_BIT(IOP_MASK(20) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']') PORT_CHAR('}') // 024 ]
- PORT_BIT(IOP_MASK(21) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) // 025 PAD3
- PORT_BIT(IOP_MASK(22) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) // 026 PAD6
- PORT_BIT(IOP_MASK(23) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_NAME("f5") // 027 F5
- PORT_BIT(IOP_MASK(24) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_TOGGLE PORT_NAME("Memory lock") // 030 MEMORY LOCK
- PORT_BIT(IOP_MASK(25) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') // 031 3
- PORT_BIT(IOP_MASK(26) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') // 032 E
- PORT_BIT(IOP_MASK(27) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') // 033 C
- PORT_BIT(IOP_MASK(28) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') // 034 :
- PORT_BIT(IOP_MASK(29) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) // 035 LEFT
- PORT_BIT(IOP_MASK(30) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Roll up") // 036 ROLL UP
- PORT_BIT(IOP_MASK(31) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_NAME("f6") // 037 F6
- PORT_START("KEY1")
- PORT_BIT(IOP_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_TOGGLE PORT_NAME("Auto LF") // 040 AUTO LF
- PORT_BIT(IOP_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') // 041 4
- PORT_BIT(IOP_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') // 042 R
- PORT_BIT(IOP_MASK(3) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') // 043 V
- PORT_BIT(IOP_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') // 044 ;
- PORT_BIT(IOP_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) // 045 HOME
- PORT_BIT(IOP_MASK(6) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) // 046 UP
- PORT_BIT(IOP_MASK(7) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_NAME("f7") // 047 F7
- PORT_BIT(IOP_MASK(8) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Test") // 050 TEST
- PORT_BIT(IOP_MASK(9) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') // 051 5
- PORT_BIT(IOP_MASK(10) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') // 052 T
- PORT_BIT(IOP_MASK(11) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') // 053 B
- PORT_BIT(IOP_MASK(12) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') // 054 L
- PORT_BIT(IOP_MASK(13) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) // 055 RIGHT
- PORT_BIT(IOP_MASK(14) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Next page") // 056 NEXT PAGE
- PORT_BIT(IOP_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_NAME("f8") // 057 F8
- PORT_BIT(IOP_MASK(16) , IP_ACTIVE_HIGH , IPT_UNUSED) // 060
- PORT_BIT(IOP_MASK(17) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') // 061 6
- PORT_BIT(IOP_MASK(18) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') // 062 Y
- PORT_BIT(IOP_MASK(19) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') // 063 SPACE
- PORT_BIT(IOP_MASK(20) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') // 064 K
- PORT_BIT(IOP_MASK(21) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Prev page") // 065 PREV PAGE
- PORT_BIT(IOP_MASK(22) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Clear dsply") // 066 CLEAR DSPLY
- PORT_BIT(IOP_MASK(23) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_NAME("Insert char") // 067 INSERT CHAR
- PORT_BIT(IOP_MASK(24) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Display functions") // 070 DISPLAY FUNCTIONS
- PORT_BIT(IOP_MASK(25) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') // 071 7
- PORT_BIT(IOP_MASK(26) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') // 072 U
- PORT_BIT(IOP_MASK(27) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') // 073 N
- PORT_BIT(IOP_MASK(28) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') // 074 J
- PORT_BIT(IOP_MASK(29) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) // 075 DOWN
- PORT_BIT(IOP_MASK(30) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Set tab") // 076 SET TAB
- PORT_BIT(IOP_MASK(31) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_NAME("Delete char") // 077 DELETE CHAR
- PORT_START("KEY2")
- PORT_BIT(IOP_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_TOGGLE PORT_NAME("Block mode") // 100 BLOCK MODE
- PORT_BIT(IOP_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') // 101 8
- PORT_BIT(IOP_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') // 102 I
- PORT_BIT(IOP_MASK(3) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') // 103 M
- PORT_BIT(IOP_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') // 104 H
- PORT_BIT(IOP_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Roll down") // 105 ROLL DOWN
- PORT_BIT(IOP_MASK(6) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Clear tab") // 106 CLEAR TAB
- PORT_BIT(IOP_MASK(7) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Delete line") // 107 DELETE LINE
- PORT_BIT(IOP_MASK(8) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Green") // 110 GREEN
- PORT_BIT(IOP_MASK(9) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Enter") // 111 ENTER
- PORT_BIT(IOP_MASK(10) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') // 112 O
- PORT_BIT(IOP_MASK(11) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') // 113 ,
- PORT_BIT(IOP_MASK(12) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') // 114 G
- PORT_BIT(IOP_MASK(13) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR('.') // 115 PAD.
- PORT_BIT(IOP_MASK(14) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) // 116 PAD9
- PORT_BIT(IOP_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Insert line") // 117 INSERT LINE
- PORT_BIT(IOP_MASK(16) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Read") // 120 READ
- PORT_BIT(IOP_MASK(17) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') // 121 9
- PORT_BIT(IOP_MASK(18) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') // 122 P
- PORT_BIT(IOP_MASK(19) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') // 123 .
- PORT_BIT(IOP_MASK(20) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') // 124 F
- PORT_BIT(IOP_MASK(21) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) // 125 PAD0
- PORT_BIT(IOP_MASK(22) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) // 126 PAD8
- PORT_BIT(IOP_MASK(23) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_NAME("f4") // 127 F4
- PORT_BIT(IOP_MASK(24) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Record") // 130 RECORD
- PORT_BIT(IOP_MASK(25) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') // 131 0
- PORT_BIT(IOP_MASK(26) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@') PORT_CHAR('`') // 132 @
- PORT_BIT(IOP_MASK(27) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') // 133 /
- PORT_BIT(IOP_MASK(28) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') // 134 D
- PORT_BIT(IOP_MASK(29) , IP_ACTIVE_HIGH , IPT_UNUSED) // 135
- PORT_BIT(IOP_MASK(30) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) // 136 PAD7
- PORT_BIT(IOP_MASK(31) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_NAME("f3") // 137 F3
- PORT_START("KEY3")
- PORT_BIT(IOP_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Gold") // 140 GOLD
- PORT_BIT(IOP_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') // 141 -
- PORT_BIT(IOP_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[') PORT_CHAR('{') // 142 [
- PORT_BIT(IOP_MASK(3) , IP_ACTIVE_HIGH , IPT_UNUSED) // 143
- PORT_BIT(IOP_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') // 144 S
- PORT_BIT(IOP_MASK(5) , IP_ACTIVE_HIGH , IPT_UNUSED) // 145
- PORT_BIT(IOP_MASK(6) , IP_ACTIVE_HIGH , IPT_UNUSED) // 146
- PORT_BIT(IOP_MASK(7) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_NAME("f2") // 147 F2
- PORT_BIT(IOP_MASK(8) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("Transmit") // 150 TRANSMIT
- PORT_BIT(IOP_MASK(9) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') PORT_CHAR('~') // 151 ^
- PORT_BIT(IOP_MASK(10) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('_') // 152 _
- PORT_BIT(IOP_MASK(11) , IP_ACTIVE_HIGH , IPT_UNUSED) // 153
- PORT_BIT(IOP_MASK(12) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') // 154 A
- PORT_BIT(IOP_MASK(13) , IP_ACTIVE_HIGH , IPT_UNUSED) // 155
- PORT_BIT(IOP_MASK(14) , IP_ACTIVE_HIGH , IPT_UNUSED) // 156
- PORT_BIT(IOP_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_NAME("f1") // 157 F1
-
- // Default: Full duplex, no parity, 9600 bps
- PORT_START("comm")
- PORT_CONFNAME(0x80, 0x80, "Duplex")
- PORT_CONFSETTING(0x80, "Full")
- PORT_CONFSETTING(0x00, "Half")
- PORT_CONFNAME(0x30, 0x20, "Parity")
- PORT_CONFSETTING(0x00, "Odd")
- PORT_CONFSETTING(0x10, "Even")
- PORT_CONFSETTING(0x20, "None")
- PORT_CONFNAME(0x0e, 0x0e, "Baud rate")
- PORT_CONFSETTING(0x00, "Ext")
- PORT_CONFSETTING(0x02, "110")
- PORT_CONFSETTING(0x04, "150")
- PORT_CONFSETTING(0x06, "300")
- PORT_CONFSETTING(0x08, "1200")
- PORT_CONFSETTING(0x0a, "2400")
- PORT_CONFSETTING(0x0c, "4800")
- PORT_CONFSETTING(0x0e, "9600")
-
- // Default: all switches closed except R, U & V
- // This setting should work for standard character-oriented I/O
- PORT_START("sw_ah")
- PORT_CONFNAME(0x01, 0x00, "Switch A")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x01, DEF_STR(Off))
- PORT_CONFNAME(0x02, 0x00, "Switch B")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x02, DEF_STR(Off))
- PORT_CONFNAME(0x04, 0x00, "Switch C")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x04, DEF_STR(Off))
- PORT_CONFNAME(0x08, 0x00, "Switch D")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x08, DEF_STR(Off))
- PORT_CONFNAME(0x10, 0x00, "Switch E")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x10, DEF_STR(Off))
- PORT_CONFNAME(0x20, 0x00, "Switch F")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x20, DEF_STR(Off))
- PORT_CONFNAME(0x40, 0x00, "Switch G")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x40, DEF_STR(Off))
- PORT_CONFNAME(0x80, 0x00, "Switch H")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x80, DEF_STR(Off))
- PORT_START("sw_jr")
- PORT_CONFNAME(0x01, 0x00, "Switch J")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x01, DEF_STR(Off))
- PORT_CONFNAME(0x02, 0x00, "Switch K")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x02, DEF_STR(Off))
- PORT_CONFNAME(0x04, 0x00, "Switch L")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x04, DEF_STR(Off))
- PORT_CONFNAME(0x08, 0x00, "Switch M")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x08, DEF_STR(Off))
- PORT_CONFNAME(0x10, 0x00, "Switch N")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x10, DEF_STR(Off))
- PORT_CONFNAME(0x20, 0x00, "Switch P")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x20, DEF_STR(Off))
- PORT_CONFNAME(0x40, 0x00, "Switch Q")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x40, DEF_STR(Off))
- PORT_CONFNAME(0x80, 0x80, "Switch R")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x80, DEF_STR(Off))
- PORT_START("sw_sz")
- PORT_CONFNAME(0x01, 0x00, "Switch S")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x01, DEF_STR(Off))
- PORT_CONFNAME(0x02, 0x00, "Switch T")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x02, DEF_STR(Off))
- PORT_CONFNAME(0x04, 0x04, "Switch U")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x04, DEF_STR(Off))
- PORT_CONFNAME(0x08, 0x08, "Switch V")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x08, DEF_STR(Off))
- PORT_CONFNAME(0x10, 0x00, "Switch W")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x10, DEF_STR(Off))
- PORT_CONFNAME(0x20, 0x00, "Switch X")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x20, DEF_STR(Off))
- PORT_CONFNAME(0x40, 0x00, "Switch Y")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x40, DEF_STR(Off))
- PORT_CONFNAME(0x80, 0x00, "Switch Z")
- PORT_CONFSETTING(0x00, DEF_STR(On))
- PORT_CONFSETTING(0x80, DEF_STR(Off))
-INPUT_PORTS_END
-
-void hp2645_state::cpu_mem_map(address_map &map)
-{
- map.unmap_value_low();
- map(0x0000, 0x57ff).rom();
- map(0x8100, 0x8100).r(m_uart, FUNC(ay51013_device::receive));
- map(0x8120, 0x8120).r(FUNC(hp2645_state::async_status_r));
- map(0x8140, 0x8140).w(FUNC(hp2645_state::async_control_w));
- map(0x8160, 0x8160).w(m_uart, FUNC(ay51013_device::transmit));
- map(0x8300, 0x8300).w(FUNC(hp2645_state::kb_led_w));
- map(0x8300, 0x830d).r(FUNC(hp2645_state::kb_r));
- map(0x830e, 0x830e).r(FUNC(hp2645_state::switches_ah_r));
- map(0x830f, 0x830f).r(FUNC(hp2645_state::datacomm_sw_r));
- map(0x8320, 0x8320).w(FUNC(hp2645_state::kb_prev_w));
- map(0x8380, 0x8380).rw(FUNC(hp2645_state::switches_jr_r), FUNC(hp2645_state::kb_reset_w));
- map(0x83a0, 0x83a0).r(FUNC(hp2645_state::switches_sz_r));
- map(0x8700, 0x8700).w(FUNC(hp2645_state::cx_w));
- map(0x8720, 0x8720).w(FUNC(hp2645_state::cy_w));
- map(0x9100, 0x91ff).ram();
- map(0xc000, 0xffff).ram();
-}
-
-void hp2645_state::cpu_io_map(address_map &map)
-{
- map.unmap_value_low();
- map(0x00, 0xff).w(FUNC(hp2645_state::mode_byte_w));
-}
-
-void hp2645_state::hp2645(machine_config &config)
-{
- I8080A(config, m_cpu, SYS_CLOCK / 2);
- m_cpu->set_addrmap(AS_PROGRAM, &hp2645_state::cpu_mem_map);
- m_cpu->set_addrmap(AS_IO, &hp2645_state::cpu_io_map);
- m_cpu->set_irq_acknowledge_callback(FUNC(hp2645_state::irq_callback));
-
- TIMER(config, m_timer_10ms).configure_generic(FUNC(hp2645_state::timer_10ms_exp));
- TIMER(config, m_timer_cursor_blink_inh).configure_generic(FUNC(hp2645_state::timer_cursor_blink_inh));
-
- SCREEN(config, m_screen, SCREEN_TYPE_RASTER, rgb_t::white());
- // Actual pixel clock is half this value: 21.06 MHz
- // We use the doubled value to be able to emulate the half-pixel shifting of the real hw
- // Each real-world half pixel is a whole MAME pixel
- m_screen->set_raw(VIDEO_DOT_CLOCK * 2 ,
- VIDEO_TOT_COLS * VIDEO_CHAR_WIDTH * 2 , 0 , VIDEO_VIS_COLS * VIDEO_CHAR_WIDTH * 2 ,
- VIDEO_TOT_ROWS * VIDEO_CHAR_HEIGHT , 0 , VIDEO_VIS_ROWS * VIDEO_CHAR_HEIGHT);
- m_screen->set_screen_update(FUNC(hp2645_state::screen_update));
- TIMER(config, "scantimer").configure_scanline(FUNC(hp2645_state::scanline_timer), "screen", 0, 1);
- PALETTE(config, m_palette, palette_device::MONOCHROME_HIGHLIGHT);
- config.set_default_layout(layout_hp2640);
-
- // RS232
- RS232_PORT(config, m_rs232, default_rs232_devices , nullptr);
-
- // UART (TR1602B)
- AY51013(config, m_uart);
- m_uart->read_si_callback().set(m_rs232, FUNC(rs232_port_device::rxd_r));
- m_uart->write_so_callback().set(FUNC(hp2645_state::async_txd_w));
- m_uart->write_dav_callback().set(FUNC(hp2645_state::async_dav_w));
- m_uart->set_auto_rdav(true);
-
- CLOCK(config, m_uart_clock, 19200 * 16);
- m_uart_clock->signal_handler().set(m_uart, FUNC(ay51013_device::write_rcp));
- m_uart_clock->signal_handler().append(m_uart, FUNC(ay51013_device::write_tcp));
-
- // Beep
- SPEAKER(config, "mono").front_center();
- BEEP(config, m_beep, BEEP_FREQUENCY).add_route(ALL_OUTPUTS, "mono", 1.00);
- TIMER(config, m_timer_beep).configure_generic(FUNC(hp2645_state::timer_beep_exp));
-}
-
-ROM_START(hp2645)
- ROM_REGION(0x5800 , "cpu" , 0)
- ROM_LOAD("1818-0512.bin", 0x0000, 0x800, CRC(1796f4fc) SHA1(1bdec49b3a937f9d52e143319e4ea3b42dd34ff2))
- ROM_LOAD("1818-0287.bin", 0x0800, 0x800, CRC(717c01a6) SHA1(2ba2362b658a095126a5bfd533a0b35b0eefc6ec))
- ROM_LOAD("1818-0448.bin", 0x1000, 0x800, CRC(15b09e97) SHA1(7975d04fcf24490b3c16b2ac261754d2ad848017))
- ROM_LOAD("1818-0206.bin", 0x1800, 0x800, CRC(788f8464) SHA1(94c55390801c193bb395855d3a0f186c1d1fd498))
- ROM_LOAD("1818-0207.bin", 0x2000, 0x800, CRC(de7186a9) SHA1(aaf5d29f95e5417320e3af573fdcc7ab03922e3d))
- ROM_LOAD("1818-0208.bin", 0x2800, 0x800, CRC(1eca0ff8) SHA1(630a533efe53d3643f652a5d9d6503ab7f47d4e5))
- ROM_LOAD("1818-0209.bin", 0x3000, 0x800, CRC(82e02695) SHA1(eaa7010f4672320116a1f319f96aeb078ce79609))
- ROM_LOAD("1818-0210.bin", 0x3800, 0x800, CRC(a1ebb6ab) SHA1(71b2beeff3817d9c87870983bf1653f682b15d21))
- ROM_LOAD("1818-0426.bin", 0x4000, 0x800, CRC(9c49fb37) SHA1(15f2f236f567a6234f9de8841fe9a6c246022127))
- ROM_LOAD("1818-0212.bin", 0x4800, 0x800, CRC(50221ec0) SHA1(b3fb76da1210ed6eefec9c3fbd731970dd50f962))
- ROM_LOAD("1818-0513.bin", 0x5000, 0x800, CRC(416d1a4d) SHA1(6ce7136f36f06fc44716da1970b96a3ef29e5b13))
-
- ROM_REGION(0x2000, "chargen0", 0)
- ROM_LOAD("1816-0612.bin", 0x0000, 0x400, CRC(5d7befd6) SHA1(31357e7b8630f52698f1b6825e79c7a51ff3f245))
- ROM_LOAD("1816-0613.bin", 0x0400, 0x400, CRC(b6bac431) SHA1(42a557ecff769425d295ebbd1b73b26ddbfd3a09))
-
- ROM_REGION(0x1000, "chargen1", 0)
- ROM_LOAD("1816-0642.bin", 0x0000, 0x400, CRC(2b8d151d) SHA1(208ae3ec780eb8bbbe6ac39cc61141730eda7fdd))
-
- ROM_REGION(0x1000, "chargen2", 0)
- ROM_LOAD("1816-1417.bin", 0x0000, 0x400, CRC(e91343a4) SHA1(b37be2f3699bc8766435b5ee3775d36510df8d1e))
-
- ROM_REGION(0x1000, "chargen3", 0)
- ROM_LOAD("1816-1425.bin", 0x0000, 0x400, CRC(69a34fef) SHA1(816929cadd53c2fe42b3ca561c029cb1ccd4ca24))
-ROM_END
-
-COMP( 1976, hp2645, 0, 0, hp2645, hp2645, hp2645_state, empty_init, "HP", "HP 2645A", 0)