From d94f06e6e2108721f79eee5a2552f382e29114aa Mon Sep 17 00:00:00 2001 From: AJR Date: Thu, 1 Aug 2019 21:09:12 -0400 Subject: Add very preliminary MC68HC705J1A device for potgoldu580 (nw) --- src/devices/cpu/m6805/m68hc05.cpp | 75 +++++++++++++++++++++++++++++++++++++++ src/devices/cpu/m6805/m68hc05.h | 18 ++++++++++ src/mame/drivers/potgoldu.cpp | 33 +++++++++-------- 3 files changed, 111 insertions(+), 15 deletions(-) diff --git a/src/devices/cpu/m6805/m68hc05.cpp b/src/devices/cpu/m6805/m68hc05.cpp index eab6c86e554..65f1b9044c2 100644 --- a/src/devices/cpu/m6805/m68hc05.cpp +++ b/src/devices/cpu/m6805/m68hc05.cpp @@ -63,6 +63,14 @@ std::pair const m68hc705c8a_syms[] = { { 0x001c, "PROG" }, { 0x001d, "COPRST" }, { 0x001e, "COPCR" } }; +std::pair const m68hc705j1a_syms[] = { + { 0x0000, "PORTA" }, { 0x0001, "PORTB" }, + { 0x0004, "DDRA" }, { 0x0005, "DDRB" }, + { 0x0008, "TSCR" }, { 0x0009, "TCR" }, { 0x000a, "ISCR" }, + { 0x0010, "PDRA" }, { 0x0011, "PDRB" }, + { 0x0018, "EPROG" }, + { 0x07f0, "COPR" }, { 0x07f1, "MOR" } }; + ROM_START( m68hc705c8a ) ROM_REGION(0x00f0, "bootstrap", 0) @@ -93,6 +101,7 @@ constexpr u16 M68HC05_INT_MASK = M68HC05_INT_IRQ | M68HC05_INT_TIMER; DEFINE_DEVICE_TYPE(M68HC05C4, m68hc05c4_device, "m68hc05c4", "Motorola MC68HC05C4") DEFINE_DEVICE_TYPE(M68HC05C8, m68hc05c8_device, "m68hc05c8", "Motorola MC68HC05C8") DEFINE_DEVICE_TYPE(M68HC705C8A, m68hc705c8a_device, "m68hc705c8a", "Motorola MC68HC705C8A") +DEFINE_DEVICE_TYPE(M68HC705J1A, m68hc705j1a_device, "m68hc705j1a", "Motorola MC68HC705J1A") DEFINE_DEVICE_TYPE(M68HC05L9, m68hc05l9_device, "m68hc05l9", "Motorola MC68HC05L9") DEFINE_DEVICE_TYPE(M68HC05L11, m68hc05l11_device, "m68hc05l11", "Motorola MC68HC05L11") @@ -942,6 +951,72 @@ std::unique_ptr m68hc705c8a_device::create_disassembler( +/**************************************************************************** + * MC68HC05J1A device + ****************************************************************************/ + +void m68hc705j1a_device::j1a_map(address_map &map) +{ + map.global_mask(0x07ff); + map.unmap_value_high(); + + map(0x0000, 0x0001).rw(FUNC(m68hc705j1a_device::port_read), FUNC(m68hc705j1a_device::port_latch_w)); + map(0x0004, 0x0005).rw(FUNC(m68hc705j1a_device::port_ddr_r), FUNC(m68hc705j1a_device::port_ddr_w)); + // 0x0008 TSCR (bits 7 and 6 are read-only; bits 3 and 2 are write-only) + // 0x0009 TCR (read-only) + // 0x000a ISCR (bits 7 and 3 are readable; bits 7, 4 and 1 are writeable) + // 0x0010 PDRA (write-only) + // 0x0011 PDRB (write-only) + // 0x0014 EPROG + // 0x001f reserved + map(0x00c0, 0x00ff).ram(); + map(0x0300, 0x07cf).rom(); // EPROM + map(0x07ee, 0x07ef).rom(); // test ROM + map(0x07f0, 0x07f0).w(FUNC(m68hc705j1a_device::copr_w)); + map(0x07f1, 0x07f1).rom(); // MOR + // 0x07f2-0x07f7 reserved + map(0x07f8, 0x07ff).rom(); // user vectors +} + + +m68hc705j1a_device::m68hc705j1a_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock) + : m68hc705_device( + mconfig, + tag, + owner, + clock, + M68HC705J1A, + 11, + address_map_constructor(FUNC(m68hc705j1a_device::j1a_map), this)) +{ + set_port_bits(std::array{{ 0xff, 0x3f, 0x00, 0x00 }}); +} + + +void m68hc705j1a_device::device_start() +{ + m68hc705_device::device_start(); + + add_port_state(std::array{{ true, true, false, false }}); + add_timer_state(); + add_ncop_state(); +} + +void m68hc705j1a_device::device_reset() +{ + m68hc705_device::device_reset(); + + // TODO: latch MOR registers on reset +} + + +std::unique_ptr m68hc705j1a_device::create_disassembler() +{ + return std::make_unique(m68hc705j1a_syms); +} + + + /**************************************************************************** * MC68HC05L9 device ****************************************************************************/ diff --git a/src/devices/cpu/m6805/m68hc05.h b/src/devices/cpu/m6805/m68hc05.h index 6964d6dd2da..df051782fe8 100644 --- a/src/devices/cpu/m6805/m68hc05.h +++ b/src/devices/cpu/m6805/m68hc05.h @@ -17,6 +17,7 @@ DECLARE_DEVICE_TYPE(M68HC05C4, m68hc05c4_device) DECLARE_DEVICE_TYPE(M68HC05C8, m68hc05c8_device) DECLARE_DEVICE_TYPE(M68HC705C8A, m68hc705c8a_device) +DECLARE_DEVICE_TYPE(M68HC705J1A, m68hc705j1a_device) DECLARE_DEVICE_TYPE(M68HC05L9, m68hc05l9_device) DECLARE_DEVICE_TYPE(M68HC05L11, m68hc05l11_device) @@ -237,6 +238,23 @@ protected: }; +// ======================> m68hc705j1a_device + +class m68hc705j1a_device : public m68hc705_device +{ +public: + m68hc705j1a_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock); + +protected: + void j1a_map(address_map &map); + + virtual void device_start() override; + virtual void device_reset() override; + + virtual std::unique_ptr create_disassembler() override; +}; + + // ======================> m68hc05l9_device class m68hc05l9_device : public m68hc05_device diff --git a/src/mame/drivers/potgoldu.cpp b/src/mame/drivers/potgoldu.cpp index bf28d7e2aa7..1574be7417d 100644 --- a/src/mame/drivers/potgoldu.cpp +++ b/src/mame/drivers/potgoldu.cpp @@ -21,6 +21,7 @@ #include "emu.h" #include "cpu/tms34010/tms34010.h" +#include "cpu/m6805/m68hc05.h" #include "screen.h" @@ -33,6 +34,7 @@ public: { } void potgold(machine_config &config); + void potgold580(machine_config &config); private: virtual void machine_reset() override; @@ -46,14 +48,6 @@ private: }; -#define CPU_CLOCK XTAL(40'000'000) -#define VIDEO_CLOCK (22118400) // ? -#define SOUND_CLOCK (3579645) - - - - - void potgold_state::video_start() { } @@ -81,19 +75,28 @@ INPUT_PORTS_END void potgold_state::potgold(machine_config &config) { /* basic machine hardware */ - TMS34010(config, m_maincpu, XTAL(40'000'000)); + TMS34010(config, m_maincpu, 40_MHz_XTAL); m_maincpu->set_addrmap(AS_PROGRAM, &potgold_state::potgold_map); m_maincpu->set_halt_on_reset(false); - m_maincpu->set_pixel_clock(VIDEO_CLOCK/2); + m_maincpu->set_pixel_clock(22.1184_MHz_XTAL / 22); m_maincpu->set_pixels_per_clock(1); m_maincpu->set_scanline_rgb32_callback(FUNC(potgold_state::scanline_update)); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_raw(VIDEO_CLOCK/2, 444, 0, 320, 233, 0, 200); + screen.set_raw(22.1184_MHz_XTAL / 2, 444, 0, 320, 233, 0, 200); screen.set_screen_update("maincpu", FUNC(tms34010_device::tms340x0_rgb32)); /* sound hardware */ - /* YM2413 */ + //YM2413(config, "ymsnd", 3.579545_MHz_XTAL); +} + +void potgold_state::potgold580(machine_config &config) +{ + potgold(config); + + //YMF721S(config.replace(), "ymsnd", 33.8688_MHz_XTAL); + + M68HC705J1A(config, "mcu", 4_MHz_XTAL); } ROM_START( potgoldu ) @@ -111,7 +114,7 @@ ROM_START( potgoldu ) ROM_LOAD16_BYTE( "400x.u3", 0x1c0000, 0x20000, BAD_DUMP CRC(c0894db0) SHA1(d68321949250bfe0f14bd5ef8d115ba4b3786b8b) ) ROM_LOAD16_BYTE( "400x.u7", 0x1c0001, 0x20000, BAD_DUMP CRC(0953ecf7) SHA1(91cbe5d9aff171902dc3eb43a308a7a833c8fb71) ) - // presumably missing an MCU dump, although nothing was documented for this set + // no MCU for this hardware revision ROM_END ROM_START( potgoldu580 ) // TMS34010FNL-40 + MC68H705 + YMF704C + ADV476KP35 RAMDAC + SC28L198A1A UART + EPM7192SQC160-10 CPLD @@ -128,5 +131,5 @@ ROM_START( potgoldu580 ) // TMS34010FNL-40 + MC68H705 + YMF704C + ADV476KP35 RAM ROM_LOAD( "potgoldu_mc68hc705j1acp.bin", 0x000, 0x800, CRC(4130e596) SHA1(cd7e80a371abd4208a64c537fc84f1525be9203c) ) // 'Ver 1.00a' (assumed to be for this set) ROM_END -GAME( 200?, potgoldu, 0, potgold, potgold, potgold_state, empty_init, ROT0, "U.S. Games Inc.", "Pot O' Gold (U.S. Games, v400x?)", MACHINE_IS_SKELETON ) -GAME( 200?, potgoldu580, potgoldu, potgold, potgold, potgold_state, empty_init, ROT0, "U.S. Games Inc.", "Pot O' Gold (U.S. Games, v580F)", MACHINE_IS_SKELETON ) +GAME( 200?, potgoldu, 0, potgold, potgold, potgold_state, empty_init, ROT0, "U.S. Games Inc.", "Pot O' Gold (U.S. Games, v400x?)", MACHINE_IS_SKELETON ) +GAME( 200?, potgoldu580, potgoldu, potgold580, potgold, potgold_state, empty_init, ROT0, "U.S. Games Inc.", "Pot O' Gold (U.S. Games, v580F)", MACHINE_IS_SKELETON ) -- cgit v1.2.3