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-rw-r--r--src/mame/drivers/hp80.cpp1412
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diff --git a/src/mame/drivers/hp80.cpp b/src/mame/drivers/hp80.cpp
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--- a/src/mame/drivers/hp80.cpp
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-// license:BSD-3-Clause
-// copyright-holders:F. Ulivi
-//
-// *******************************
-// Driver for HP series 80 systems
-// *******************************
-//
-// This is WIP: lot of things still missing
-
-#include "emu.h"
-#include "emupal.h"
-#include "screen.h"
-#include "cpu/capricorn/capricorn.h"
-#include "speaker.h"
-#include "machine/timer.h"
-#include "sound/beep.h"
-#include "sound/dac.h"
-#include "sound/volt_reg.h"
-#include "machine/1ma6.h"
-#include "machine/hp80_optrom.h"
-#include "softlist.h"
-#include "machine/bankdev.h"
-#include "bus/hp80_io/hp80_io.h"
-#include "imagedev/bitbngr.h"
-
-// Debugging
-#define VERBOSE 1
-#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 ****
-static constexpr unsigned MASTER_CLOCK = 9808000;
-// Video memory is actually made of 16384 4-bit nibbles
-static constexpr unsigned VIDEO_MEM_SIZE= 8192;
-static constexpr unsigned ALPHA_MEM_SIZE= 4096;
-static constexpr unsigned GRAPH_MEM_SIZE= 16384;
-static constexpr unsigned CRT_STS_READY_BIT = 0;
-static constexpr unsigned CRT_STS_DISPLAY_BIT = 1;
-static constexpr unsigned CRT_STS_BUSY_BIT = 7;
-static constexpr unsigned CRT_CTL_RD_RQ_BIT = 0;
-static constexpr unsigned CRT_CTL_WIPEOUT_BIT = 1;
-static constexpr unsigned CRT_CTL_POWERDN_BIT = 2;
-static constexpr unsigned CRT_CTL_GRAPHICS_BIT = 7;
-// Time to read/write a byte in video memory (in master clock cycles)
-static constexpr unsigned CRT_RW_TIME = 96;
-// Time taken by hw timer updating (semi-made up) (in usec)
-static constexpr unsigned TIMER_BUSY_USEC = 128;
-static constexpr unsigned IRQ_KEYBOARD_BIT = 0;
-static constexpr unsigned IRQ_TIMER0_BIT = 1;
-static constexpr unsigned TIMER_COUNT = 4;
-static constexpr unsigned IRQ_IOP0_BIT = IRQ_TIMER0_BIT + TIMER_COUNT;
-// Maximum count of I/O processors (the same thing as count of I/O slots)
-static constexpr unsigned IOP_COUNT = 4;
-static constexpr unsigned IRQ_BIT_COUNT = IRQ_IOP0_BIT + IOP_COUNT;
-static constexpr unsigned NO_IRQ = IRQ_BIT_COUNT;
-
-// Internal printer has a moving printhead with 8 vertically-arranged resistors that print dots
-// by heating thermal paper. The horizontal span of the printhead covers 224 columns.
-// In alpha mode, each sweep prints up to 32 characters. Each character has a 8x7 cell.
-// 8 pixels of cell height are covered by the printhead height, whereas 7 pixels of width
-// allow for 32 characters on a row (224 = 32 * 7).
-// After an alpha line is printed the paper advances by 10 pixel lines, so that a space of
-// 2 lines is left between alpha lines.
-// In graphic mode, printing starts at column 16 and covers 192 columns. So on each side of
-// the printed area there's a 16-column wide margin (224 = 192 + 2 * 16).
-// Once a graphic line is printed, paper advances by 8 pixel lines so that no space is inserted
-// between successive sweeps.
-// A full image of the graphic screen (256 x 192) is printed rotated 90 degrees clockwise.
-// The printer controller chip (1MA9) has an embedded character generator ROM that is used
-// when printing alpha lines. This ROM is also read by the CPU when drawing text on the graphic
-// screen (BASIC "LABEL" instruction).
-constexpr unsigned PRT_BUFFER_SIZE = 192;
-constexpr unsigned PRTSTS_PAPER_OK_BIT = 7;
-constexpr unsigned PRTSTS_DATARDY_BIT = 6;
-constexpr unsigned PRTSTS_PRTRDY_BIT = 0;
-constexpr unsigned PRTCTL_GRAPHIC_BIT = 7;
-//constexpr unsigned PRTCTL_POWERUP_BIT = 6;
-constexpr unsigned PRTCTL_READGEN_BIT = 5;
-// Time to print a line (nominal speed is 2 lines/s)
-constexpr unsigned PRT_BUSY_MSEC = 500;
-// Horizontal start position of graphic print (16 columns from left-hand side)
-constexpr unsigned PRT_GRAPH_OFFSET = 16;
-// Height of printhead
-constexpr unsigned PRT_PH_HEIGHT = 8;
-// Height of alpha rows
-constexpr unsigned PRT_ALPHA_HEIGHT = 10;
-// Width of character cells
-constexpr unsigned PRT_CELL_WIDTH = 7;
-// Height of graphic rows
-//constexpr unsigned PRT_GRAPH_HEIGHT = 8;
-// Width of graphic sweeps
-constexpr unsigned PRT_GRAPH_WIDTH = 192;
-// Width of printhead sweeps
-constexpr unsigned PRT_WIDTH = 224;
-
-// ************
-// hp85_state
-// ************
-class hp85_state : public driver_device
-{
-public:
- hp85_state(const machine_config &mconfig, device_type type, const char *tag);
-
- void hp85(machine_config &config);
-
-private:
- virtual void machine_start() override;
- virtual void machine_reset() override;
-
- uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
- DECLARE_WRITE_LINE_MEMBER(vblank_w);
-
- IRQ_CALLBACK_MEMBER(irq_callback);
-
- DECLARE_WRITE8_MEMBER(ginten_w);
- DECLARE_WRITE8_MEMBER(gintdis_w);
- DECLARE_READ8_MEMBER(keysts_r);
- DECLARE_WRITE8_MEMBER(keysts_w);
- DECLARE_READ8_MEMBER(keycod_r);
- DECLARE_WRITE8_MEMBER(keycod_w);
- DECLARE_READ8_MEMBER(crtc_r);
- DECLARE_WRITE8_MEMBER(crtc_w);
- DECLARE_READ8_MEMBER(clksts_r);
- DECLARE_WRITE8_MEMBER(clksts_w);
- DECLARE_READ8_MEMBER(clkdat_r);
- DECLARE_WRITE8_MEMBER(clkdat_w);
- DECLARE_WRITE8_MEMBER(prtlen_w);
- DECLARE_READ8_MEMBER(prchar_r);
- DECLARE_WRITE8_MEMBER(prchar_w);
- DECLARE_READ8_MEMBER(prtsts_r);
- DECLARE_WRITE8_MEMBER(prtctl_w);
- DECLARE_WRITE8_MEMBER(prtdat_w);
- DECLARE_WRITE8_MEMBER(rselec_w);
- DECLARE_READ8_MEMBER(intrsc_r);
- DECLARE_WRITE8_MEMBER(intrsc_w);
-
- TIMER_DEVICE_CALLBACK_MEMBER(kb_scan);
- TIMER_DEVICE_CALLBACK_MEMBER(vm_timer);
- TIMER_DEVICE_CALLBACK_MEMBER(timer_update);
- TIMER_DEVICE_CALLBACK_MEMBER(clk_busy_timer);
- TIMER_DEVICE_CALLBACK_MEMBER(prt_busy_timer);
-
- DECLARE_WRITE8_MEMBER(irl_w);
- DECLARE_WRITE8_MEMBER(halt_w);
-
- void cpu_mem_map(address_map &map);
- void rombank_mem_map(address_map &map);
-
- required_device<capricorn_cpu_device> m_cpu;
- required_device<screen_device> m_screen;
- required_device<palette_device> m_palette;
- required_device<timer_device> m_vm_timer;
- required_device<timer_device> m_clk_busy_timer;
- required_device<timer_device> m_prt_busy_timer;
- required_device<beep_device> m_beep;
- required_device<dac_1bit_device> m_dac;
- required_ioport m_io_key0;
- required_ioport m_io_key1;
- required_ioport m_io_key2;
- required_ioport m_io_modkeys;
- required_device_array<hp80_optrom_device , 6> m_rom_drawers;
- required_device<address_map_bank_device> m_rombank;
- required_device_array<hp80_io_slot_device , IOP_COUNT> m_io_slots;
- required_device<bitbanger_device> m_prt_graph_out;
- required_device<bitbanger_device> m_prt_alpha_out;
-
- // Character generators
- required_region_ptr<uint8_t> m_chargen;
- required_region_ptr<uint8_t> m_prt_chargen;
-
- bitmap_rgb32 m_bitmap;
- std::vector<uint8_t> m_video_mem;
- uint16_t m_crt_sad;
- uint16_t m_crt_bad;
- uint8_t m_crt_sts;
- uint8_t m_crt_ctl;
- uint8_t m_crt_read_byte;
- uint8_t m_crt_write_byte;
- bool m_global_int_en;
- uint16_t m_int_serv;
- unsigned m_top_pending;
- uint16_t m_int_acked;
- uint16_t m_int_en;
- uint8_t m_halt_lines;
-
- // State of keyboard
- ioport_value m_kb_state[ 3 ];
- bool m_kb_enable;
- bool m_kb_pressed;
- bool m_kb_flipped;
- uint8_t m_kb_keycode;
-
- // Timers
- typedef struct {
- uint8_t m_timer_cnt[ 4 ];
- uint8_t m_timer_reg[ 4 ];
- bool m_timer_en;
- bool m_timer_clr;
- uint8_t m_digit_to_match;
- } hw_timer_t;
- hw_timer_t m_hw_timer[ TIMER_COUNT ];
- uint8_t m_timer_idx;
- bool m_clk_busy;
-
- // Printer
- uint8_t m_prtlen;
- uint8_t m_prt_idx;
- uint8_t m_prchar_r;
- uint8_t m_prchar_w;
- uint8_t m_prtsts;
- uint8_t m_prtctl;
- uint8_t m_prt_buffer[ PRT_BUFFER_SIZE ];
-
- attotime time_to_video_mem_availability() const;
- static void get_video_addr(uint16_t addr , uint16_t& byte_addr , bool& lsb_nibble);
- uint8_t video_mem_r(uint16_t addr , uint16_t addr_mask) const;
- void video_mem_w(uint16_t addr , uint16_t addr_mask , uint8_t data);
- void video_mem_read();
- void video_mem_write();
-
- bool kb_scan_ioport(ioport_value pressed , unsigned idx_base , uint8_t& keycode);
-
- void irq_w(unsigned n_irq , bool state);
- void irq_en_w(unsigned n_irq , bool state);
- void update_int_bits();
- void update_irl();
-
- uint8_t get_prt_font(uint8_t ch , unsigned col) const;
- void prt_format_alpha(unsigned row , uint8_t *pixel_row) const;
- void prt_format_graphic(unsigned row , uint8_t *pixel_row) const;
- void prt_output_row(const uint8_t *pixel_row);
- void prt_do_printing();
-};
-
-hp85_state::hp85_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig , type , tag),
- m_cpu(*this , "cpu"),
- m_screen(*this , "screen"),
- m_palette(*this , "palette"),
- m_vm_timer(*this , "vm_timer"),
- m_clk_busy_timer(*this , "clk_busy_timer"),
- m_prt_busy_timer(*this , "prt_busy_timer"),
- m_beep(*this , "beeper"),
- m_dac(*this , "dac"),
- m_io_key0(*this , "KEY0"),
- m_io_key1(*this , "KEY1"),
- m_io_key2(*this , "KEY2"),
- m_io_modkeys(*this, "MODKEYS"),
- m_rom_drawers(*this , "drawer%u" , 1),
- m_rombank(*this , "rombank"),
- m_io_slots(*this , "slot%u" , 1),
- m_prt_graph_out(*this , "prt_graphic"),
- m_prt_alpha_out(*this , "prt_alpha"),
- m_chargen(*this , "chargen"),
- m_prt_chargen(*this , "prt_chargen")
-{
-}
-
-void hp85_state::machine_start()
-{
- m_screen->register_screen_bitmap(m_bitmap);
- m_video_mem.resize(VIDEO_MEM_SIZE);
-}
-
-void hp85_state::machine_reset()
-{
- m_crt_sad = 0;
- m_crt_bad = 0;
- m_crt_sts = 0x7c;
- m_crt_ctl = BIT_MASK<uint8_t>(CRT_CTL_POWERDN_BIT) | BIT_MASK<uint8_t>(CRT_CTL_WIPEOUT_BIT);
- m_crt_read_byte = 0;
- m_crt_write_byte = 0;
- m_int_serv = 0;
- m_top_pending = NO_IRQ;
- m_int_acked = 0;
- m_int_en = 0;
- m_global_int_en = false;
- m_kb_state[ 0 ] = 0;
- m_kb_state[ 1 ] = 0;
- m_kb_state[ 2 ] = 0;
- m_kb_keycode = 0xff;
- m_kb_enable = true;
- m_kb_pressed = false;
- m_kb_flipped = false;
- for (auto& timer : m_hw_timer) {
- for (unsigned i = 0; i < 4; i++) {
- timer.m_timer_cnt[ i ] = 0;
- timer.m_timer_reg[ i ] = 0;
- }
- timer.m_timer_en = false;
- timer.m_timer_clr = false;
- timer.m_digit_to_match = 0;
- }
- m_timer_idx = 0;
- m_clk_busy = false;
- update_irl();
- m_halt_lines = 0;
- m_cpu->set_input_line(INPUT_LINE_HALT , CLEAR_LINE);
- m_prtlen = 0;
- m_prt_idx = PRT_BUFFER_SIZE;
- m_prchar_r = 0;
- m_prchar_w = 0;
- m_prtsts = BIT_MASK<uint8_t>(PRTSTS_PAPER_OK_BIT) | BIT_MASK<uint8_t>(PRTSTS_PRTRDY_BIT);
- m_prtctl = 0;
-
- // Load optional ROMs (if any)
- // All entries in rombanks [01..FF] initially not present
- m_rombank->space(AS_PROGRAM).unmap_read(HP80_OPTROM_SIZE * 1 , HP80_OPTROM_SIZE * 0x100 - 1);
- for (auto& draw : m_rom_drawers) {
- LOG("Loading opt ROM in drawer %s\n" , draw->tag());
- draw->install_read_handler(m_rombank->space(AS_PROGRAM));
- }
- // Clear RSELEC
- m_rombank->set_bank(0xff);
-
- // Mount I/O slots in address space
- m_cpu->space(AS_PROGRAM).unmap_readwrite(0xff50 , 0xff5f);
- for (auto& io : m_io_slots) {
- io->install_read_write_handlers(m_cpu->space(AS_PROGRAM));
- }
-}
-
-uint32_t hp85_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
-{
- copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect);
- return 0;
-}
-
-WRITE_LINE_MEMBER(hp85_state::vblank_w)
-{
- COPY_BIT(!state , m_crt_sts , CRT_STS_DISPLAY_BIT);
- if (state) {
- if (BIT(m_crt_ctl , CRT_CTL_WIPEOUT_BIT) || BIT(m_crt_ctl , CRT_CTL_POWERDN_BIT)) {
- // Blank video
- m_bitmap.fill(rgb_t::black());
- } else if (BIT(m_crt_ctl , CRT_CTL_GRAPHICS_BIT)) {
- // Render graphic video
- uint16_t video_start = m_crt_sad;
- for (unsigned y = 0; y < 192; y++) {
- for (unsigned x = 0; x < 256; x += 8) {
- uint8_t pixels = video_mem_r(video_start , GRAPH_MEM_SIZE / 2 - 1);
- video_start += 2;
- for (unsigned sub_x = 0; sub_x < 8; sub_x++) {
- m_bitmap.pix32(y , x + sub_x) = m_palette->pen(BIT(pixels , 7));
- pixels <<= 1;
- }
- }
- }
- } else {
- // Render alpha video
- uint16_t video_start = m_crt_sad;
- for (unsigned row = 0; row < 192; row += 12) {
- for (unsigned col = 0; col < 256; col += 8) {
- uint8_t ch = video_mem_r(video_start , ALPHA_MEM_SIZE / 2 - 1);
- video_start += 2;
- for (unsigned sub_row = 0; sub_row < 12; sub_row++) {
- uint8_t pixels;
- if (sub_row < 8) {
- pixels = m_chargen[ (ch & 0x7f) * 8 + sub_row ];
- } else if (BIT(ch , 7) && (sub_row == 9 || sub_row == 10)) {
- // Underline
- pixels = 0xfe;
- } else {
- pixels = 0;
- }
- for (unsigned sub_x = 0; sub_x < 8; sub_x++) {
- m_bitmap.pix32(row + sub_row , col + sub_x) = m_palette->pen(BIT(pixels , 7));
- pixels <<= 1;
- }
- }
- }
- }
- }
- }
-}
-
-// Vector table (indexed by bit no. in m_int_serv)
-static const uint8_t vector_table[] = {
- 0x04, // Keyboard
- 0x08, // Timer 0
- 0x0a, // Timer 1
- 0x0c, // Timer 2
- 0x0e, // Timer 3
- 0x10, // Slot 1
- 0x10, // Slot 2
- 0x10, // Slot 3
- 0x10, // Slot 4
- 0x00 // No IRQ
-};
-
-IRQ_CALLBACK_MEMBER(hp85_state::irq_callback)
-{
- logerror("IRQ ACK %u\n" , m_top_pending);
- BIT_SET(m_int_acked , m_top_pending);
- if (m_top_pending > IRQ_IOP0_BIT && m_top_pending < IRQ_BIT_COUNT) {
- // Interrupts are disabled in all I/O translators of higher priority than
- // the one being serviced
- for (unsigned i = m_top_pending - 1; i >= IRQ_IOP0_BIT; i--) {
- irq_en_w(i , false);
- }
- }
- update_irl();
- return vector_table[ m_top_pending ];
-}
-
-WRITE8_MEMBER(hp85_state::ginten_w)
-{
- m_global_int_en = true;
- update_irl();
-}
-
-WRITE8_MEMBER(hp85_state::gintdis_w)
-{
- m_global_int_en = false;
- update_irl();
-}
-
-READ8_MEMBER(hp85_state::keysts_r)
-{
- uint8_t res = 0;
- if (BIT(m_int_en , IRQ_KEYBOARD_BIT)) {
- BIT_SET(res , 0);
- }
- if (m_kb_pressed) {
- BIT_SET(res , 1);
- }
- if (BIT(m_io_modkeys->read() , 0)) {
- BIT_SET(res , 3);
- }
- if (m_global_int_en) {
- BIT_SET(res , 7);
- }
- return res;
-}
-
-WRITE8_MEMBER(hp85_state::keysts_w)
-{
- if (BIT(data , 0)) {
- irq_en_w(IRQ_KEYBOARD_BIT , true);
- } else if (BIT(data , 1)) {
- irq_en_w(IRQ_KEYBOARD_BIT , false);
- }
- m_dac->write(BIT(data , 5));
- m_beep->set_state(BIT(data , 6));
- if (BIT(data , 7)) {
- m_kb_flipped = !m_kb_flipped;
- }
-}
-
-READ8_MEMBER(hp85_state::keycod_r)
-{
- return m_kb_keycode;
-}
-
-WRITE8_MEMBER(hp85_state::keycod_w)
-{
- if (data == 1) {
- irq_w(IRQ_KEYBOARD_BIT , false);
- m_kb_enable = true;
- }
-}
-
-READ8_MEMBER(hp85_state::crtc_r)
-{
- uint8_t res = 0xff;
-
- // Read from CRT controller (1MA5)
- switch (offset) {
- case 0:
- // CRTSAD: write-only
- break;
-
- case 1:
- // CRTBAD: write-only
- break;
-
- case 2:
- // CRTSTS
- res = m_crt_sts;
- break;
-
- case 3:
- // CRTDAT
- res = m_crt_read_byte;
- break;
- }
- return res;
-}
-
-WRITE8_MEMBER(hp85_state::crtc_w)
-{
- // Write to CRT controller (1MA5)
- uint8_t burst_idx = m_cpu->flatten_burst();
- switch (offset) {
- case 0:
- // CRTSAD
- if (burst_idx == 1) {
- m_crt_sad = ((uint16_t)data << 8) | (m_crt_sad & 0xff);
- } else if (burst_idx == 0) {
- m_crt_sad = (m_crt_sad & 0xff00) | data;
- }
- break;
-
- case 1:
- // CRTBAD
- if (burst_idx == 1) {
- m_crt_bad = ((uint16_t)data << 8) | (m_crt_bad & 0xff);
- } else if (burst_idx == 0) {
- m_crt_bad = (m_crt_bad & 0xff00) | data;
- }
- break;
-
- case 2:
- // CRTCTL
- m_crt_ctl = data;
- if (BIT(m_crt_ctl , CRT_CTL_RD_RQ_BIT)) {
- BIT_CLR(m_crt_sts , CRT_STS_READY_BIT);
- BIT_SET(m_crt_sts , CRT_STS_BUSY_BIT);
- attotime vm_av = time_to_video_mem_availability();
- m_vm_timer->adjust(vm_av + attotime::from_ticks(CRT_RW_TIME , MASTER_CLOCK));
- }
- break;
-
- case 3:
- // CRTDAT
- {
- m_crt_write_byte = data;
- BIT_CLR(m_crt_sts , CRT_STS_READY_BIT);
- BIT_SET(m_crt_sts , CRT_STS_BUSY_BIT);
- attotime vm_av = time_to_video_mem_availability();
- m_vm_timer->adjust(vm_av + attotime::from_ticks(CRT_RW_TIME , MASTER_CLOCK));
- }
- break;
- }
-}
-
-READ8_MEMBER(hp85_state::clksts_r)
-{
- uint8_t res = 0;
- for (unsigned i = 0; i < TIMER_COUNT; i++) {
- if (BIT(m_int_en , IRQ_TIMER0_BIT + i)) {
- BIT_SET(res , i);
- }
- }
- if (!m_clk_busy) {
- BIT_SET(res , 7);
- }
- //logerror("CLKSTS R=%02x\n" , res);
- return res;
-}
-
-WRITE8_MEMBER(hp85_state::clksts_w)
-{
- // logerror("CLKSTS W=%02x\n" , data);
- if (data == 0x0c) {
- // Set test mode (see timer_update)
- auto& timer = m_hw_timer[ m_timer_idx ];
- timer.m_digit_to_match = 1;
- timer.m_timer_cnt[ 0 ] = timer.m_timer_reg[ 0 ];
- timer.m_timer_cnt[ 1 ] = timer.m_timer_reg[ 1 ];
- timer.m_timer_cnt[ 2 ] = timer.m_timer_reg[ 2 ];
- timer.m_timer_cnt[ 3 ] = timer.m_timer_reg[ 3 ];
- logerror("Test mode enabled for timer %u\n" , m_timer_idx);
- } else {
- m_timer_idx = (data >> 6) & 3;
- auto& timer = m_hw_timer[ m_timer_idx ];
- if (BIT(data , 0)) {
- // Disable timer irq
- irq_en_w(IRQ_TIMER0_BIT + m_timer_idx , false);
- } else if (BIT(data , 1)) {
- // Enable timer irq
- irq_en_w(IRQ_TIMER0_BIT + m_timer_idx , true);
- }
- if (BIT(data , 2)) {
- // Stop timer
- timer.m_timer_en = false;
- } else if (BIT(data , 3)) {
- // Start timer
- timer.m_timer_en = true;
- }
- if (BIT(data , 4) || (BIT(data , 3) && timer.m_digit_to_match)) {
- // Clear timer
- timer.m_timer_clr = true;
- // Disable test mode
- timer.m_digit_to_match = 0;
- }
- if (BIT(data , 5)) {
- // Clear timer irq
- irq_w(IRQ_TIMER0_BIT + m_timer_idx , false);
- }
- update_int_bits();
- }
-}
-
-READ8_MEMBER(hp85_state::clkdat_r)
-{
- uint8_t res;
- unsigned burst_idx = m_cpu->flatten_burst();
- if (burst_idx < 4) {
- res = m_hw_timer[ m_timer_idx ].m_timer_cnt[ burst_idx ];
- } else {
- // What happens when loading more than 4 bytes from timers?
- logerror("Reading more than 4 bytes from timer %u\n" , m_timer_idx);
- res = 0;
- }
- //logerror("CLKDAT R %u=%02x\n" , burst_idx , res);
- return res;
-}
-
-WRITE8_MEMBER(hp85_state::clkdat_w)
-{
- unsigned burst_idx = m_cpu->flatten_burst();
- //logerror("CLKDAT W %u=%02x\n" , burst_idx , data);
- if (burst_idx < 4) {
- m_hw_timer[ m_timer_idx ].m_timer_reg[ burst_idx ] = data;
- } else {
- // What happens when storing more than 4 bytes into timers?
- logerror("Writing more than 4 bytes into timer %u\n" , m_timer_idx);
- }
-}
-
-WRITE8_MEMBER(hp85_state::prtlen_w)
-{
- //LOG("PRTLEN=%u\n" , data);
- if (data == 0) {
- // Advance paper
- memset(m_prt_buffer , 0 , sizeof(m_prt_buffer));
- m_prt_idx = 0;
- prt_do_printing();
- } else {
- m_prtlen = data;
- if (!BIT(m_prtctl , PRTCTL_GRAPHIC_BIT)) {
- m_prt_idx = 0;
- }
- }
-}
-
-READ8_MEMBER(hp85_state::prchar_r)
-{
- return m_prchar_r;
-}
-
-WRITE8_MEMBER(hp85_state::prchar_w)
-{
- m_prchar_w = data;
-}
-
-READ8_MEMBER(hp85_state::prtsts_r)
-{
- return m_prtsts;
-}
-
-WRITE8_MEMBER(hp85_state::prtctl_w)
-{
- //LOG("PRTCTL=%02x\n" , data);
- m_prtctl = data;
- BIT_SET(m_prtsts , PRTSTS_PRTRDY_BIT);
- if (BIT(m_prtctl , PRTCTL_READGEN_BIT)) {
- // Reading printer char. gen.
- m_prchar_r = get_prt_font(m_prchar_w , m_prtctl & 7);
- BIT_SET(m_prtsts , PRTSTS_DATARDY_BIT);
- } else {
- BIT_CLR(m_prtsts , PRTSTS_DATARDY_BIT);
- }
- if (BIT(m_prtctl , PRTCTL_GRAPHIC_BIT)) {
- m_prt_idx = 0;
- }
-}
-
-WRITE8_MEMBER(hp85_state::prtdat_w)
-{
- m_cpu->flatten_burst();
- //LOG("PRTDAT=%02x\n" , data);
- if (m_prt_idx < PRT_BUFFER_SIZE) {
- m_prt_buffer[ m_prt_idx++ ] = data;
- if (m_prt_idx == PRT_BUFFER_SIZE || (!BIT(m_prtctl , PRTCTL_GRAPHIC_BIT) && m_prt_idx >= m_prtlen)) {
- //LOG("Print\n");
- prt_do_printing();
- m_prt_idx = PRT_BUFFER_SIZE;
- }
- }
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hp85_state::prt_busy_timer)
-{
- BIT_SET(m_prtsts , PRTSTS_PRTRDY_BIT);
-}
-
-WRITE8_MEMBER(hp85_state::rselec_w)
-{
- m_rombank->set_bank(data);
-}
-
-READ8_MEMBER(hp85_state::intrsc_r)
-{
- if (m_top_pending >= IRQ_IOP0_BIT && m_top_pending < IRQ_BIT_COUNT && BIT(m_int_acked , m_top_pending)) {
- return (uint8_t)m_io_slots[ m_top_pending - IRQ_IOP0_BIT ]->get_base_addr();
- } else {
- // Probably..
- return 0xff;
- }
-}
-
-WRITE8_MEMBER(hp85_state::intrsc_w)
-{
- if (m_top_pending >= IRQ_IOP0_BIT && m_top_pending < IRQ_BIT_COUNT && BIT(m_int_acked , m_top_pending)) {
- // Clear interrupt request in the slot being serviced
- m_io_slots[ m_top_pending - IRQ_IOP0_BIT ]->clear_service();
- }
- for (auto& iop: m_io_slots) {
- iop->inten();
- }
- for (unsigned i = IRQ_IOP0_BIT; i < (IRQ_IOP0_BIT + IOP_COUNT); i++) {
- irq_en_w(i , true);
- }
-}
-
-// Outer index: key position [0..79] = r * 8 + c
-// Inner index: SHIFT state (0 = no SHIFT, 1 = SHIFT)
-static const uint8_t keyboard_table[ 80 ][ 2 ] = {
- // -- SHIFT
- { 0xa2 , 0xac }, // 0,0: Down / Auto
- { 0xa1 , 0xa5 }, // 0,1: Up / Home
- { 0x83 , 0x87 }, // 0,2: k4 / k8
- { 0x82 , 0x86 }, // 0,3: k3 / k7
- { 0x81 , 0x85 }, // 0,4: k2 / k6
- { 0x80 , 0x84 }, // 0,5: k1 / k5
- { 0x96 , 0x60 }, // 0,6: LABEL KEY
- { 0xff , 0xff }, // 0,7: N/U
- { 0x38 , 0x2a }, // 1,0: 8
- { 0x37 , 0x26 }, // 1,1: 7
- { 0x36 , 0x5e }, // 1,2: 6
- { 0x35 , 0x25 }, // 1,3: 5
- { 0x34 , 0x24 }, // 1,4: 4
- { 0x33 , 0x23 }, // 1,5: 3
- { 0x32 , 0x40 }, // 1,6: 2
- { 0x31 , 0x21 }, // 1,7: 1
- { 0x49 , 0x69 }, // 2,0: I
- { 0x55 , 0x75 }, // 2,1: U
- { 0x59 , 0x79 }, // 2,2: Y
- { 0x54 , 0x74 }, // 2,3: T
- { 0x52 , 0x72 }, // 2,4: R
- { 0x45 , 0x65 }, // 2,5: E
- { 0x57 , 0x77 }, // 2,6: W
- { 0x51 , 0x71 }, // 2,7: Q
- { 0x4b , 0x6b }, // 3,0: K
- { 0x4a , 0x6a }, // 3,1: J
- { 0x48 , 0x68 }, // 3,2: H
- { 0x47 , 0x67 }, // 3,3: G
- { 0x46 , 0x66 }, // 3,4: F
- { 0x44 , 0x64 }, // 3,5: D
- { 0x53 , 0x73 }, // 3,6: S
- { 0x41 , 0x61 }, // 3,7: A
- { 0x4d , 0x6d }, // 4,0: M
- { 0x4e , 0x6e }, // 4,1: N
- { 0x42 , 0x62 }, // 4,2: B
- { 0x56 , 0x76 }, // 4,3: V
- { 0x43 , 0x63 }, // 4,4: C
- { 0x58 , 0x78 }, // 4,5: X
- { 0x5a , 0x7a }, // 4,6: Z
- { 0x20 , 0x20 }, // 4,7: Space
- { 0x2c , 0x3c }, // 5,0: ,
- { 0x2e , 0x3e }, // 5,1: .
- { 0x2f , 0x3f }, // 5,2: / ?
- { 0x8e , 0x90 }, // 5,3: PAUSE / STEP
- { 0x8d , 0x8d }, // 5,4: RUN
- { 0x2b , 0x7f }, // 5,5: KP +
- { 0x2d , 0x7d }, // 5,6: KP -
- { 0x2a , 0x7e }, // 5,7: KP *
- { 0x4c , 0x6c }, // 6,0: L
- { 0x3b , 0x3a }, // 6,1: ;
- { 0x27 , 0x22 }, // 6,2: ' "
- { 0x9a , 0x9a }, // 6,3: END LINE
- { 0x94 , 0x95 }, // 6,4: LIST / P LST
- { 0xff , 0xff }, // 6,5: N/U
- { 0xff , 0xff }, // 6,6: N/U
- { 0x2f , 0x7b }, // 6,7: KP /
- { 0x4f , 0x6f }, // 7,0: O
- { 0x50 , 0x70 }, // 7,1: P
- { 0x28 , 0x5b }, // 7,2: ( [
- { 0x29 , 0x5d }, // 7,3: ) ]
- { 0x8f , 0xad }, // 7,4: CONT / SCRATCH
- { 0xa0 , 0x92 }, // 7,5: -LINE / CLEAR
- { 0x29 , 0x8c }, // 7,6: ) INIT
- { 0xff , 0xff }, // 7,7: N/U
- { 0x39 , 0x28 }, // 8,0: 9
- { 0x30 , 0x29 }, // 8,1: 0
- { 0x2d , 0x5f }, // 8,2: - _
- { 0x3d , 0x2b }, // 8,3: = +
- { 0x5c , 0x7c }, // 8,4: \ |
- { 0x99 , 0x9b }, // 8,5: BS
- { 0x28 , 0x8b }, // 8,6: ( RESET
- { 0x5e , 0xa6 }, // 8,7: ^ / RESLT
- { 0x9c , 0x93 }, // 9,0: LEFT / GRAPH
- { 0x9d , 0x89 }, // 9,1: RIGHT / COPY
- { 0xa3 , 0xa3 }, // 9,2: RPL / INS
- { 0xa4 , 0xa8 }, // 9,3: -CHAR / DEL
- { 0x9f , 0x9e }, // 9,4: ROLL
- { 0xaa , 0x88 }, // 9,5: LOAD / REW
- { 0xa9 , 0x91 }, // 9,6: STORE / TEST
- { 0x8a , 0x8a } // 9,7: PAPER ADVANCE
-};
-
-bool hp85_state::kb_scan_ioport(ioport_value pressed , unsigned idx_base , uint8_t& keycode)
-{
- while (pressed) {
- unsigned bit_no = 31 - count_leading_zeros(pressed);
- uint8_t unshifted = keyboard_table[ idx_base + bit_no ][ 0 ];
- bool isalpha = unshifted >= 'A' && unshifted <= 'Z';
- ioport_value modifiers = m_io_modkeys->read();
- bool shift = BIT(modifiers , 0);
- bool caps_lock = BIT(modifiers , 1);
- bool control = BIT(modifiers , 2);
- if (isalpha) {
- shift = shift ^ caps_lock ^ m_kb_flipped;
- }
- keycode = keyboard_table[ idx_base + bit_no ][ shift ];
- uint8_t tmp = isalpha ? unshifted : keycode;
- if (control && (tmp & 0xe0) == 0x40) {
- keycode &= ~0xe0;
- }
- if (keycode != 0xff) {
- return true;
- }
- ioport_value mask = BIT_MASK<ioport_value>(bit_no);
- pressed &= ~mask;
- }
- return false;
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hp85_state::kb_scan)
-{
- ioport_value input[ 3 ];
- input[ 0 ] = m_io_key0->read();
- input[ 1 ] = m_io_key1->read();
- input[ 2 ] = m_io_key2->read();
-
- if (m_kb_enable) {
- uint8_t keycode;
-
- bool got_key = kb_scan_ioport(input[ 0 ] & ~m_kb_state[ 0 ] , 0 , keycode) ||
- kb_scan_ioport(input[ 1 ] & ~m_kb_state[ 1 ] , 32 , keycode) ||
- kb_scan_ioport(input[ 2 ] & ~m_kb_state[ 2 ] , 64 , keycode);
-
- if (got_key) {
- m_kb_keycode = keycode;
- irq_w(IRQ_KEYBOARD_BIT , true);
- m_kb_enable = false;
- }
- }
- m_kb_pressed = input[ 0 ] != 0 ||
- input[ 1 ] != 0 ||
- input[ 2 ] != 0;
-
- m_kb_state[ 0 ] = input[ 0 ];
- m_kb_state[ 1 ] = input[ 1 ];
- m_kb_state[ 2 ] = input[ 2 ];
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hp85_state::vm_timer)
-{
- if (BIT(m_crt_ctl , CRT_CTL_RD_RQ_BIT)) {
- video_mem_read();
- } else {
- video_mem_write();
- }
- BIT_CLR(m_crt_sts , CRT_STS_BUSY_BIT);
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hp85_state::timer_update)
-{
- for (unsigned i = 0; i < TIMER_COUNT; i++) {
- auto& timer = m_hw_timer[ i ];
- if (timer.m_timer_clr) {
- timer.m_timer_clr = false;
- timer.m_timer_cnt[ 0 ] = 0;
- timer.m_timer_cnt[ 1 ] = 0;
- timer.m_timer_cnt[ 2 ] = 0;
- timer.m_timer_cnt[ 3 ] = 0;
- } else if (timer.m_timer_en) {
- if (timer.m_digit_to_match) {
- // Timers have an undocumented mode (used by test "J" of service ROM)
- // where the counter has to match in sequence all digits of register
- // in order to raise an interrupt. In other words interrupt is generated
- // after a number of updates that's equal to the sum of all digits in
- // register + 1. My opinion is that people at HP designed this mode to
- // allow all digits in a timer to be tested quickly. Without this special
- // mode it takes more than 27 hours to check that all digits increment
- // correctly and that there are no stuck bits.
- // From an operative point of view, we copy register into counter when
- // this special mode is activated (see clksts_w). Then, at each update,
- // we decrement the digit of counter pointed to by m_digit_to_match (1 =
- // least significant digit). Each time a digit "borrows" (i.e. it decrements
- // from 0 to 9), we move on to digit at left. When m_digit_to_match reaches
- // 9, interrupt is raised and the timer stops.
- // At this point counter is always "99999999".
- if (timer.m_digit_to_match < 9) {
- while (true) {
- bool borrow = false;
- uint8_t b = timer.m_timer_cnt[ (timer.m_digit_to_match - 1) / 2 ];
- if (BIT(timer.m_digit_to_match , 0)) {
- // Least significant digit in b
- if (b & 0x0f) {
- b--;
- } else {
- b = (b & 0xf0) | 9;
- borrow = true;
- }
- } else {
- // Most significant digit in b
- if (b & 0xf0) {
- b -= 0x10;
- } else {
- b = 0x99;
- borrow = true;
- }
- }
- timer.m_timer_cnt[ (timer.m_digit_to_match - 1) / 2 ] = b;
- if (borrow) {
- timer.m_digit_to_match++;
- if (timer.m_digit_to_match == 9) {
- irq_w(IRQ_TIMER0_BIT + i , true);
- break;
- }
- } else {
- break;
- }
- }
- }
- } else {
- // Standard timer mode
- // Increment all active timers by 1
- bool carry = true;
- for (unsigned idx = 0; idx < 4 && carry; idx++) {
- carry = false;
- uint8_t b = timer.m_timer_cnt[ idx ];
- b++;
- if ((b & 0xf) > 9) {
- b += 6;
- if (b >= 0xa0) {
- b += 0x60;
- carry = true;
- }
- }
- timer.m_timer_cnt[ idx ] = b;
- }
- if (timer.m_timer_cnt[ 0 ] == timer.m_timer_reg[ 0 ] &&
- timer.m_timer_cnt[ 1 ] == timer.m_timer_reg[ 1 ] &&
- timer.m_timer_cnt[ 2 ] == timer.m_timer_reg[ 2 ] &&
- timer.m_timer_cnt[ 3 ] == timer.m_timer_reg[ 3 ]) {
- timer.m_timer_cnt[ 0 ] = 0;
- timer.m_timer_cnt[ 1 ] = 0;
- timer.m_timer_cnt[ 2 ] = 0;
- timer.m_timer_cnt[ 3 ] = 0;
- irq_w(IRQ_TIMER0_BIT + i , true);
- }
- }
- }
- }
- m_clk_busy = true;
- m_clk_busy_timer->adjust(attotime::from_usec(TIMER_BUSY_USEC));
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(hp85_state::clk_busy_timer)
-{
- m_clk_busy = false;
-}
-
-WRITE8_MEMBER(hp85_state::irl_w)
-{
- //LOG("irl_w %u=%u\n" , offset , data);
- irq_w(offset + IRQ_IOP0_BIT , data != 0);
-}
-
-WRITE8_MEMBER(hp85_state::halt_w)
-{
- //LOG("halt_w %u=%u\n" , offset , data);
- bool prev_halt = m_halt_lines != 0;
- COPY_BIT(data != 0 , m_halt_lines , offset);
- bool new_halt = m_halt_lines != 0;
- if (prev_halt != new_halt) {
- LOG("halt=%d hl=%x\n" , new_halt , m_halt_lines);
- m_cpu->set_input_line(INPUT_LINE_HALT , new_halt);
- }
-}
-
-attotime hp85_state::time_to_video_mem_availability() const
-{
- if (BIT(m_crt_ctl , CRT_CTL_WIPEOUT_BIT) || BIT(m_crt_ctl , CRT_CTL_POWERDN_BIT)) {
- // Blank video, immediate access
- return attotime::zero;
- } else if (m_screen->vblank()) {
- // Vertical blanking, immediate access
- return attotime::zero;
- } else {
- // In the active part, wait until vertical blanking
- return m_screen->time_until_vblank_start();
- }
-}
-
-void hp85_state::get_video_addr(uint16_t addr , uint16_t& byte_addr , bool& lsb_nibble)
-{
- byte_addr = (addr / 2) & (VIDEO_MEM_SIZE - 1);
- lsb_nibble = BIT(addr , 0);
-}
-
-uint8_t hp85_state::video_mem_r(uint16_t addr , uint16_t addr_mask) const
-{
- uint16_t byte_addr;
- bool lsb_nibble;
-
- get_video_addr(addr , byte_addr , lsb_nibble);
-
- byte_addr &= addr_mask;
-
- uint8_t res;
-
- if (lsb_nibble) {
- res = (m_video_mem[ byte_addr ] & 0x0f) << 4;
- byte_addr = (byte_addr + 1) & addr_mask;
- res |= (m_video_mem[ byte_addr ] & 0xf0) >> 4;
- } else {
- res = m_video_mem[ byte_addr ];
- }
-
- return res;
-}
-
-void hp85_state::video_mem_w(uint16_t addr , uint16_t addr_mask , uint8_t data)
-{
- uint16_t byte_addr;
- bool lsb_nibble;
-
- get_video_addr(addr , byte_addr , lsb_nibble);
-
- byte_addr &= addr_mask;
-
- if (lsb_nibble) {
- m_video_mem[ byte_addr ] = (m_video_mem[ byte_addr ] & 0xf0) | (data >> 4);
- byte_addr = (byte_addr + 1) & addr_mask;
- m_video_mem[ byte_addr ] = (m_video_mem[ byte_addr ] & 0x0f) | (data << 4);
- } else {
- m_video_mem[ byte_addr ] = data;
- }
-}
-
-void hp85_state::video_mem_read()
-{
- uint16_t mask;
-
- if (BIT(m_crt_ctl , CRT_CTL_GRAPHICS_BIT)) {
- mask = GRAPH_MEM_SIZE / 2 - 1;
- } else {
- mask = ALPHA_MEM_SIZE / 2 - 1;
- }
- m_crt_read_byte = video_mem_r(m_crt_bad , mask);
- m_crt_bad += 2;
- BIT_CLR(m_crt_ctl , CRT_CTL_RD_RQ_BIT);
- BIT_SET(m_crt_sts , CRT_STS_READY_BIT);
-}
-
-void hp85_state::video_mem_write()
-{
- uint16_t mask;
-
- if (BIT(m_crt_ctl , CRT_CTL_GRAPHICS_BIT)) {
- mask = GRAPH_MEM_SIZE / 2 - 1;
- } else {
- mask = ALPHA_MEM_SIZE / 2 - 1;
- }
- video_mem_w(m_crt_bad , mask , m_crt_write_byte);
- m_crt_bad += 2;
-}
-
-void hp85_state::irq_w(unsigned n_irq , bool state)
-{
- //LOG("irq_w %u=%d GIE=%d SRV=%03x ACK=%03x IE=%03x\n" , n_irq , state , m_global_int_en , m_int_serv , m_int_acked , m_int_en);
- if (state && !BIT(m_int_serv , n_irq)) {
- // Set service request
- BIT_SET(m_int_serv , n_irq);
- BIT_CLR(m_int_acked , n_irq);
- } else if (!state && BIT(m_int_serv , n_irq)) {
- // Clear service request
- BIT_CLR(m_int_serv , n_irq);
- BIT_CLR(m_int_acked , n_irq);
- }
- update_int_bits();
-}
-
-void hp85_state::irq_en_w(unsigned n_irq , bool state)
-{
- COPY_BIT(state , m_int_en , n_irq);
- update_int_bits();
-}
-
-void hp85_state::update_int_bits()
-{
- uint16_t irqs = m_int_en & m_int_serv;
- for (m_top_pending = 0; m_top_pending < IRQ_BIT_COUNT && !BIT(irqs , m_top_pending); m_top_pending++) {
- }
- update_irl();
-}
-
-void hp85_state::update_irl()
-{
- //LOG("irl GIE=%d top=%u ACK=%03x\n" , m_global_int_en , m_top_pending , m_int_acked);
- m_cpu->set_input_line(0 , m_global_int_en && m_top_pending < IRQ_BIT_COUNT && !BIT(m_int_acked , m_top_pending));
-}
-
-uint8_t hp85_state::get_prt_font(uint8_t ch , unsigned col) const
-{
- // Bit 7: pixel @ top
- // Bit 0: pixel @ bottom
- uint8_t column = m_prt_chargen[ (((unsigned)ch & 0x7f) << 3) | col ];
- if (BIT(ch , 7)) {
- // Underline
- BIT_SET(column , 0);
- }
- return column;
-}
-
-void hp85_state::prt_format_alpha(unsigned row , uint8_t *pixel_row) const
-{
- memset(pixel_row , 0 , PRT_WIDTH);
- for (unsigned i = 0; i < m_prt_idx; i++) {
- for (unsigned j = 0; j < PRT_CELL_WIDTH; j++) {
- uint8_t pixel_col = get_prt_font(m_prt_buffer[ i ] , j);
- *pixel_row++ = BIT(pixel_col , 7 - row);
- }
- }
-}
-
-void hp85_state::prt_format_graphic(unsigned row , uint8_t *pixel_row) const
-{
- memset(pixel_row , 0 , PRT_WIDTH);
- pixel_row += PRT_GRAPH_OFFSET;
- for (unsigned i = 0; i < PRT_GRAPH_WIDTH; i++) {
- *pixel_row++ = BIT(m_prt_buffer[ i ] , 7 - row);
- }
-}
-
-void hp85_state::prt_output_row(const uint8_t *pixel_row)
-{
- for (unsigned i = 0; i < PRT_WIDTH; i++) {
- m_prt_graph_out->output(*pixel_row++ != 0 ? '*' : ' ');
- }
- m_prt_graph_out->output('\n');
-}
-
-void hp85_state::prt_do_printing()
-{
- uint8_t pixel_row[ PRT_WIDTH ];
- for (unsigned row = 0; row < PRT_PH_HEIGHT; row++) {
- if (BIT(m_prtctl , PRTCTL_GRAPHIC_BIT)) {
- prt_format_graphic(row , pixel_row);
- } else {
- prt_format_alpha(row , pixel_row);
- }
- prt_output_row(pixel_row);
- }
- if (!BIT(m_prtctl , PRTCTL_GRAPHIC_BIT)) {
- // Dump the text line to alpha bitbanger
- for (unsigned i = 0; i < m_prt_idx; i++) {
- m_prt_alpha_out->output(m_prt_buffer[ i ]);
- }
- m_prt_alpha_out->output('\n');
- // Add 2 empty lines
- memset(pixel_row , 0 , PRT_WIDTH);
- for (unsigned i = 0; i < (PRT_ALPHA_HEIGHT - PRT_PH_HEIGHT); i++) {
- prt_output_row(pixel_row);
- }
- }
- // Start busy timer
- BIT_CLR(m_prtsts , PRTSTS_PRTRDY_BIT);
- m_prt_busy_timer->adjust(attotime::from_msec(PRT_BUSY_MSEC));
-}
-
-#define IOP_MASK(x) BIT_MASK<ioport_value>((x))
-
-static INPUT_PORTS_START(hp85)
- // Keyboard is arranged in a matrix of 10 rows and 8 columns. In addition there are 3 keys with
- // dedicated input lines: SHIFT, SHIFT LOCK & CONTROL.
- // A key on row "r"=[0..9] and column "c"=[0..7] is mapped to bit "b" of KEY"n" input, where
- // n = r / 4
- // b = (r % 4) * 8 + c
- PORT_START("KEY0")
- PORT_BIT(IOP_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_NAME("Down AUTO") // 0,0: Down / Auto
- PORT_BIT(IOP_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_NAME("Up Home") // 0,1: Up / Home
- PORT_BIT(IOP_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_NAME("k4 k8") // 0,2: k4 / k8
- PORT_BIT(IOP_MASK(3) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_NAME("k3 k7") // 0,3: k3 / k7
- PORT_BIT(IOP_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_NAME("k2 k6") // 0,4: k2 / k6
- PORT_BIT(IOP_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_NAME("k1 k5") // 0,5: k1 / k5
- PORT_BIT(IOP_MASK(6) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("LABEL KEY") // 0,6: LABEL KEY
- PORT_BIT(IOP_MASK(7) , IP_ACTIVE_HIGH , IPT_UNUSED) // 0,7: N/U
- PORT_BIT(IOP_MASK(8) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') // 1,0: 8
- PORT_BIT(IOP_MASK(9) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') // 1,1: 7
- PORT_BIT(IOP_MASK(10) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') // 1,2: 6
- PORT_BIT(IOP_MASK(11) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') // 1,3: 5
- PORT_BIT(IOP_MASK(12) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') // 1,4: 4
- PORT_BIT(IOP_MASK(13) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') // 1,5: 3
- PORT_BIT(IOP_MASK(14) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') // 1,6: 2
- PORT_BIT(IOP_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') // 1,7: 1
- PORT_BIT(IOP_MASK(16) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') // 2,0: I
- PORT_BIT(IOP_MASK(17) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') // 2,1: U
- PORT_BIT(IOP_MASK(18) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') // 2,2: Y
- PORT_BIT(IOP_MASK(19) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') // 2,3: T
- PORT_BIT(IOP_MASK(20) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') // 2,4: R
- PORT_BIT(IOP_MASK(21) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') // 2,5: E
- PORT_BIT(IOP_MASK(22) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') // 2,6: W
- PORT_BIT(IOP_MASK(23) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') // 2,7: Q
- PORT_BIT(IOP_MASK(24) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') // 3,0: K
- PORT_BIT(IOP_MASK(25) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') // 3,1: J
- PORT_BIT(IOP_MASK(26) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') // 3,2: H
- PORT_BIT(IOP_MASK(27) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') // 3,3: G
- PORT_BIT(IOP_MASK(28) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') // 3,4: F
- PORT_BIT(IOP_MASK(29) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') // 3,5: D
- PORT_BIT(IOP_MASK(30) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') // 3,6: S
- PORT_BIT(IOP_MASK(31) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') // 3,7: A
-
- PORT_START("KEY1")
- PORT_BIT(IOP_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') // 4,0: M
- PORT_BIT(IOP_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') // 4,1: N
- PORT_BIT(IOP_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') // 4,2: B
- PORT_BIT(IOP_MASK(3) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') // 4,3: V
- PORT_BIT(IOP_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') // 4,4: C
- PORT_BIT(IOP_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') // 4,5: X
- PORT_BIT(IOP_MASK(6) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') // 4,6: Z
- PORT_BIT(IOP_MASK(7) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') // 4,7: Space
- PORT_BIT(IOP_MASK(8) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') // 5,0: ,
- PORT_BIT(IOP_MASK(9) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') // 5,1: .
- PORT_BIT(IOP_MASK(10) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') // 5,2: / ?
- PORT_BIT(IOP_MASK(11) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("PAUSE STEP") // 5,3: PAUSE / STEP
- PORT_BIT(IOP_MASK(12) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("RUN") // 5,4: RUN
- PORT_BIT(IOP_MASK(13) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) PORT_NAME("KP +") // 5,5: KP +
- PORT_BIT(IOP_MASK(14) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_NAME("KP -") // 5,6: KP -
- PORT_BIT(IOP_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) PORT_NAME("KP *") // 5,7: KP * (not sure)
- PORT_BIT(IOP_MASK(16) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') // 6,0: L
- PORT_BIT(IOP_MASK(17) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') // 6,1: ;
- PORT_BIT(IOP_MASK(18) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') // 6,2: ' "
- PORT_BIT(IOP_MASK(19) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_NAME("END LINE") // 6,3: END LINE
- PORT_BIT(IOP_MASK(20) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("LIST P LST") // 6,4: LIST / P LST
- PORT_BIT(IOP_MASK(21) , IP_ACTIVE_HIGH , IPT_UNUSED) // 6,5: N/U
- PORT_BIT(IOP_MASK(22) , IP_ACTIVE_HIGH , IPT_UNUSED) // 6,6: N/U
- PORT_BIT(IOP_MASK(23) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) PORT_NAME("KP /") // 6,7: KP /
- PORT_BIT(IOP_MASK(24) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') // 7,0: O
- PORT_BIT(IOP_MASK(25) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') // 7,1: P
- PORT_BIT(IOP_MASK(26) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('(') PORT_CHAR('[') // 7,2: ( [
- PORT_BIT(IOP_MASK(27) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(')') PORT_CHAR(']') // 7,3: ) ]
- PORT_BIT(IOP_MASK(28) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("CONT SCRATCH") // 7,4: CONT / SCRATCH
- PORT_BIT(IOP_MASK(29) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("-LINE CLEAR") // 7,5: -LINE / CLEAR
- PORT_BIT(IOP_MASK(30) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME(") INIT") // 7,6: ) INIT
- PORT_BIT(IOP_MASK(31) , IP_ACTIVE_HIGH , IPT_UNUSED) // 7,7: N/U
-
- PORT_START("KEY2")
- PORT_BIT(IOP_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') // 8,0: 9
- PORT_BIT(IOP_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') // 8,1: 0
- PORT_BIT(IOP_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') // 8,2: - _
- PORT_BIT(IOP_MASK(3) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') // 8,3: = +
- PORT_BIT(IOP_MASK(4) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('\\') PORT_CHAR('|') // 8,4: \ |
- PORT_BIT(IOP_MASK(5) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) // 8,5: BS
- PORT_BIT(IOP_MASK(6) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("( RESET") // 8,6: ( RESET
- PORT_BIT(IOP_MASK(7) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("^ RESLT") // 8,7: ^ / RESLT
- PORT_BIT(IOP_MASK(8) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_NAME("Left GRAPH") // 9,0: LEFT / GRAPH
- PORT_BIT(IOP_MASK(9) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_NAME("Right COPY") // 9,1: RIGHT / COPY
- PORT_BIT(IOP_MASK(10) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_NAME("RPL INS") // 9,2: RPL / INS
- PORT_BIT(IOP_MASK(11) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_NAME("-CHAR DEL") // 9,3: -CHAR / DEL
- PORT_BIT(IOP_MASK(12) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_NAME("ROLL") // 9,4: ROLL
- PORT_BIT(IOP_MASK(13) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("LOAD REW") // 9,5: LOAD / REW
- PORT_BIT(IOP_MASK(14) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("STORE TEST") // 9,6: STORE / TEST
- PORT_BIT(IOP_MASK(15) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_NAME("PAPER ADVANCE") // 9,7: PAPER ADVANCE
-
- PORT_START("MODKEYS")
- PORT_BIT(IOP_MASK(0) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // Shift
- PORT_BIT(IOP_MASK(1) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_NAME("Shift lock") // Shift lock
- PORT_BIT(IOP_MASK(2) , IP_ACTIVE_HIGH , IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) // Control
-
-INPUT_PORTS_END
-
-void hp85_state::cpu_mem_map(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0x5fff).rom();
- map(0x6000, 0x7fff).m(m_rombank, FUNC(address_map_bank_device::amap8));
- map(0x8000, 0xbfff).ram();
- map(0xff00, 0xff00).w(FUNC(hp85_state::ginten_w));
- map(0xff01, 0xff01).w(FUNC(hp85_state::gintdis_w));
- map(0xff02, 0xff02).rw(FUNC(hp85_state::keysts_r), FUNC(hp85_state::keysts_w));
- map(0xff03, 0xff03).rw(FUNC(hp85_state::keycod_r), FUNC(hp85_state::keycod_w));
- map(0xff04, 0xff07).rw(FUNC(hp85_state::crtc_r), FUNC(hp85_state::crtc_w));
- map(0xff08, 0xff09).rw("tape", FUNC(hp_1ma6_device::reg_r), FUNC(hp_1ma6_device::reg_w));
- map(0xff0a, 0xff0a).rw(FUNC(hp85_state::clksts_r), FUNC(hp85_state::clksts_w));
- map(0xff0b, 0xff0b).rw(FUNC(hp85_state::clkdat_r), FUNC(hp85_state::clkdat_w));
- map(0xff0c, 0xff0c).w(FUNC(hp85_state::prtlen_w));
- map(0xff0d, 0xff0d).rw(FUNC(hp85_state::prchar_r), FUNC(hp85_state::prchar_w));
- map(0xff0e, 0xff0e).rw(FUNC(hp85_state::prtsts_r), FUNC(hp85_state::prtctl_w));
- map(0xff0f, 0xff0f).w(FUNC(hp85_state::prtdat_w));
- map(0xff18, 0xff18).w(FUNC(hp85_state::rselec_w));
- map(0xff40, 0xff40).rw(FUNC(hp85_state::intrsc_r), FUNC(hp85_state::intrsc_w));
-}
-
-void hp85_state::rombank_mem_map(address_map &map)
-{
- map.unmap_value_high();
- // ROM in bank 0 is always present (it's part of system ROMs)
- map(0x0000, 0x1fff).rom();
-}
-
-void hp85_state::hp85(machine_config &config)
-{
- HP_CAPRICORN(config, m_cpu, MASTER_CLOCK / 16);
- m_cpu->set_addrmap(AS_PROGRAM, &hp85_state::cpu_mem_map);
- m_cpu->set_irq_acknowledge_callback(FUNC(hp85_state::irq_callback));
-
- ADDRESS_MAP_BANK(config, "rombank").set_map(&hp85_state::rombank_mem_map).set_options(ENDIANNESS_LITTLE, 8, 21, HP80_OPTROM_SIZE);
-
- SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
- m_screen->set_raw(MASTER_CLOCK / 2 , 312 , 0 , 256 , 256 , 0 , 192);
- m_screen->set_screen_update(FUNC(hp85_state::screen_update));
- m_screen->screen_vblank().set(FUNC(hp85_state::vblank_w));
- PALETTE(config, m_palette, palette_device::MONOCHROME);
- TIMER(config, m_vm_timer).configure_generic(FUNC(hp85_state::vm_timer));
-
- // No idea at all about the actual keyboard scan frequency
- TIMER(config, "kb_timer").configure_periodic(FUNC(hp85_state::kb_scan), attotime::from_hz(100));
-
- // Hw timers are updated at 1 kHz rate
- TIMER(config, "hw_timer").configure_periodic(FUNC(hp85_state::timer_update), attotime::from_hz(1000));
- TIMER(config, m_clk_busy_timer).configure_generic(FUNC(hp85_state::clk_busy_timer));
- TIMER(config, m_prt_busy_timer).configure_generic(FUNC(hp85_state::prt_busy_timer));
-
- // Beeper
- SPEAKER(config, "mono").front_center();
- DAC_1BIT(config, m_dac , 0).add_route(ALL_OUTPUTS, "mono", 0.5, AUTO_ALLOC_INPUT, 0);
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
- vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
- BEEP(config, m_beep, MASTER_CLOCK / 8192).add_route(ALL_OUTPUTS, "mono", 0.5, AUTO_ALLOC_INPUT, 0);
-
- // Tape drive
- HP_1MA6(config, "tape", 0);
-
- // Optional ROMs
- HP80_OPTROM(config, m_rom_drawers[0]);
- HP80_OPTROM(config, m_rom_drawers[1]);
- HP80_OPTROM(config, m_rom_drawers[2]);
- HP80_OPTROM(config, m_rom_drawers[3]);
- HP80_OPTROM(config, m_rom_drawers[4]);
- HP80_OPTROM(config, m_rom_drawers[5]);
-
- // I/O slots
- HP80_IO_SLOT(config, m_io_slots[0]).set_slot_no(0);
- m_io_slots[0]->irl_cb().set(FUNC(hp85_state::irl_w));
- m_io_slots[0]->halt_cb().set(FUNC(hp85_state::halt_w));
- HP80_IO_SLOT(config, m_io_slots[1]).set_slot_no(1);
- m_io_slots[1]->irl_cb().set(FUNC(hp85_state::irl_w));
- m_io_slots[1]->halt_cb().set(FUNC(hp85_state::halt_w));
- HP80_IO_SLOT(config, m_io_slots[2]).set_slot_no(2);
- m_io_slots[2]->irl_cb().set(FUNC(hp85_state::irl_w));
- m_io_slots[2]->halt_cb().set(FUNC(hp85_state::halt_w));
- HP80_IO_SLOT(config, m_io_slots[3]).set_slot_no(3);
- m_io_slots[3]->irl_cb().set(FUNC(hp85_state::irl_w));
- m_io_slots[3]->halt_cb().set(FUNC(hp85_state::halt_w));
-
- // Printer output
- BITBANGER(config, m_prt_graph_out, 0);
- BITBANGER(config, m_prt_alpha_out, 0);
-
- SOFTWARE_LIST(config, "optrom_list").set_original("hp85_rom");
-}
-
-ROM_START(hp85)
- ROM_REGION(0x6000 , "cpu" , 0)
- ROM_LOAD("romsys1.bin" , 0x0000 , 0x2000 , CRC(7724b1e9) SHA1(7836195389de2ac0eab7199835f5dc8f7dc41729))
- ROM_LOAD("romsys2.bin" , 0x2000 , 0x2000 , CRC(50a85263) SHA1(3cf1d08749103ee245d572550ba1b053ffc7ef57))
- ROM_LOAD("romsys3.bin" , 0x4000 , 0x2000 , CRC(0df385f0) SHA1(4c5ce5afd28f6d776f16cabbbbcc09769ff306b7))
-
- ROM_REGION(0x2000 , "rombank" , 0)
- ROM_LOAD("rom000.bin" , 0 , 0x2000 , CRC(e13b8ae3) SHA1(2374618d25d1a000ddb534ae4f55ebd98ce0fff3))
-
- ROM_REGION(0x400 , "chargen" , 0)
- ROM_LOAD("chrgen.bin" , 0 , 0x400 , CRC(9c402544) SHA1(32634fc73c1544aeeefda62ebb10349c5b40729f))
-
- ROM_REGION(0x400 , "prt_chargen" , 0)
- ROM_LOAD("prt_chrgen.bin" , 0 , 0x400 , CRC(abeaba27) SHA1(fbf6bdd5d96df6aa5963f8cdfdeb180402b1cc85))
-ROM_END
-
-COMP( 1980, hp85, 0, 0, hp85, hp85, hp85_state, empty_init, "HP", "HP 85", 0)