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Diffstat (limited to 'src/mame/drivers/pc6001.cpp')
-rw-r--r-- | src/mame/drivers/pc6001.cpp | 1671 |
1 files changed, 0 insertions, 1671 deletions
diff --git a/src/mame/drivers/pc6001.cpp b/src/mame/drivers/pc6001.cpp deleted file mode 100644 index 26c01fe5cae..00000000000 --- a/src/mame/drivers/pc6001.cpp +++ /dev/null @@ -1,1671 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Angelo Salese -/************************************************************************************************ - - PC-6001 series (c) 1981 NEC - - driver by Angelo Salese - - TODO: - - Hook up tape loading, images that are floating around the net are already - ADC'ed, so they should be easy to implement (but not exactly faithful) - - cassette handling requires a decap of the MCU. It could be possible to - do some tight synch between the master CPU and a code simulation, but maybe - it's not worth the effort... - - Identify and hook-up the FDC device, apparently PC-6001 and PC-6601 doesn't - even use the same thing; - - PC-6601: mon r-0 type games doesn't seem to work at all on this system? - - PC-6001SR: get it to boot, also implement MK-2 compatibility mode (it changes - the memory map to behave like the older versions) - - Hookup MC6847 for vanilla PC-6001 and fix video bugs for that device; - - upd7752 voice speech device needs to be properly emulated (device is currently a skeleton), - Chrith game is a good test case, it's supposed to talk before title screen; - - TODO (game specific): - - (several AX* games, namely Galaxy Mission Part 1/2 and others): inputs doesn't work; - - AX6 - Demo: When AY-based speech talks, other emus emulates the screen drawing to be - a solid green (plain PC-6001) or solid white (Mk2 version), but according to an - original video reference, that screen should actually some kind of weird garbage on it; - - AX6 - Powered Knight: doesn't work too well, according to the asm code it asks the - player to press either 'B' or 'C' then a number but nothing is shown on screen, - other emus behaves the same, bad dump? - - Dawn Patrol (cart): presumably too slow; - (Mk2 mode 5 games) - - 3D Golf Simulation Super Version: gameplay / inputs seems broken - - American Truck: Screen is offset at the loading screen, loading bug? - - Castle Excellent: copyright text drawing is quite bogus, scans text in vertical - instead of horizontal? - - Dezeni Land (ALL versions) / Hurry Fox 1/2: asks you to "load something", can't do it - with current cassette kludge, also, for Dezeni Land(s) keyboard irqs doesn't seem to - work too well with halt opcode execution? - - Dezeni Land 1/4: dies after loading of main program; - - Dezeni Land 2: dies at the "load something" screen with presumably wrong stack opcodes - - (MyCom BASIC games with multiple files): most of them refuses to run ... how to load them? - - Grobda: when "get ready" speech plays, screen should be full white but instead it's all - black, same issue as AX-6 Demo? - - Pac-Man / Tiny Xevious 2: gameplay is too fast - - Salad no Kunino Tomato-Hime: can't start a play - - Space Harrier: inputs doesn't work properly - - The Black Onyx: dies when it attempts to save the character, that obviously means saving - on the tape; - - Yakyukyo / Punchball Mario: waits for an irq, check which one; - -================================================================================================= - - PC-6001 (1981-09): - - * CPU: Z80A @ 4 MHz - * ROM: 16KB + 4KB (chargen) - no kanji - * RAM: 16KB, it can be expanded to 32KB - * Text Mode: 32x16 and 2 colors - * Graphic Modes: 64x48 (9 colors), 128x192 (4 colors), 256x192 (2 colors) - * Sound: BEEP + PSG - Optional Voice Synth Cart - * Keyboard: JIS Keyboard with 5 function keys, control key, TAB key, - HOME/CLR key, INS key, DEL key, GRAPH key, Japanese syllabary - key, page key, STOP key, and cursor key (4 directions) - * 1 cartslot, optional floppy drive, optional serial 232 port, 2 - joystick ports - - - PC-6001 mkII (1983-07): - - * CPU: Z80A @ 4 MHz - * ROM: 32KB + 16KB (chargen) + 32KB (kanji) + 16KB (Voice Synth) - * RAM: 64KB - * Text Mode: same as PC-6001 with N60-BASIC; 40x20 and 15 colors with - N60M-BASIC - * Graphic Modes: same as PC-6001 with N60-BASIC; 80x40 (15 colors), - 160x200 (15 colors), 320x200 (4 colors) with N60M-BASIC - * Sound: BEEP + PSG - * Keyboard: JIS Keyboard with 5 function keys, control key, TAB key, - HOME/CLR key, INS key, DEL key, CAPS key, GRAPH key, Japanese - syllabary key, page key, mode key, STOP key, and cursor key (4 - directions) - * 1 cartslot, floppy drive, optional serial 232 port, 2 joystick ports - - - PC-6001 mkIISR (1984-12): - - * CPU: Z80A @ 3.58 MHz - * ROM: 64KB + 16KB (chargen) + 32KB (kanji) + 32KB (Voice Synth) - * RAM: 64KB - * Text Mode: same as PC-6001/PC-6001mkII with N60-BASIC; 40x20, 40x25, - 80x20, 80x25 and 15 colors with N66SR-BASIC - * Graphic Modes: same as PC-6001/PC-6001mkII with N60-BASIC; 80x40 (15 colors), - 320x200 (15 colors), 640x200 (15 colors) with N66SR-BASIC - * Sound: BEEP + PSG + FM - * Keyboard: JIS Keyboard with 5 function keys, control key, TAB key, - HOME/CLR key, INS key, DEL key, CAPS key, GRAPH key, Japanese - syllabary key, page key, mode key, STOP key, and cursor key (4 - directions) - * 1 cartslot, floppy drive, optional serial 232 port, 2 joystick ports - - - info from http://www.geocities.jp/retro_zzz/machines/nec/6001/spc60.html - -================================================================================================= - -PC-6001 irq table: -irq vector 0x00: writes 0x00 to [$fa19] ;(unused) -irq vector 0x02: (A = 0, B = 0) tests ppi port c, does something with ay ports (plus more?) ;keyboard data ready, no kanji lock, no caps lock -irq vector 0x04: ;uart irq -irq vector 0x06: operates with $fa28, $fa2e, $fd1b ;timer irq -irq vector 0x08: tests ppi port c, puts port A to $fa1d,puts 0x02 to [$fa19] ;tape data ready -irq vector 0x0a: writes 0x00 to [$fa19] ;(unused) -irq vector 0x0c: writes 0x00 to [$fa19] ;(unused) -irq vector 0x0e: same as 2, (A = 0x03, B = 0x00) ;keyboard data ready, unknown type -irq vector 0x10: same as 2, (A = 0x03, B = 0x00) ;(unused) -irq vector 0x12: writes 0x10 to [$fa19] ;end of tape reached -irq vector 0x14: same as 2, (A = 0x00, B = 0x01) ;kanji lock enabled -irq vector 0x16: tests ppi port c, writes the result to $feca. ;joystick -irq vector 0x18: ;TVR (?) -irq vector 0x1a: ;Date -irq vector 0x1c: ;(unused) -irq vector 0x1e: ;(unused) -irq vector 0x20: ;voice -irq vector 0x22: ;VRTC (?) -irq vector 0x24: ;(unused) -irq vector 0x26: ;(unused) - -************************************************************************************************/ - -#include "emu.h" -#include "includes/pc6001.h" - -#define IRQ_LOG (0) - -inline void pc6001_state::cassette_latch_control(bool new_state) -{ - // 0 -> 1 transition: send PLAY tape cmd to i8049 - if((!(m_sys_latch & 8)) && new_state == true) //PLAY tape cmd - { - m_cas_switch = 1; - //m_cassette->change_state(CASSETTE_MOTOR_ENABLED,CASSETTE_MASK_MOTOR); - //m_cassette->change_state(CASSETTE_PLAY,CASSETTE_MASK_UISTATE); - } - // 1 -> 0 transition: send STOP tape cmd to i8049 - if((m_sys_latch & 8) && new_state == false) //STOP tape cmd - { - m_cas_switch = 0; - //m_cassette->change_state(CASSETTE_MOTOR_DISABLED,CASSETTE_MASK_MOTOR); - //m_cassette->change_state(CASSETTE_STOPPED,CASSETTE_MASK_UISTATE); - //set_maincpu_irq_line(0x00); - } -} - -// TODO: this is explicitly needed for making all machines to boot -inline void pc6001_state::ppi_control_hack_w(uint8_t data) -{ - if(data & 1) - m_port_c_8255 |= 1<<((data>>1)&0x07); - else - m_port_c_8255 &= ~(1<<((data>>1)&0x07)); - - #ifdef UNUSED_FUNCTION - // this switch-case is overwritten below anyway!? - switch(data) - { - case 0x08: m_port_c_8255 |= 0x88; break; - case 0x09: m_port_c_8255 &= 0xf7; break; - case 0x0c: m_port_c_8255 |= 0x28; break; - case 0x0d: m_port_c_8255 &= 0xf7; break; - default: break; - } - #endif - - m_port_c_8255 |= 0xa8; -} - -inline void pc6001_state::set_maincpu_irq_line(uint8_t vector_num) -{ - m_irq_vector = vector_num; - m_maincpu->set_input_line(0, ASSERT_LINE); -} - -void pc6001_state::system_latch_w(uint8_t data) -{ - static const uint16_t startaddr[] = {0xC000, 0xE000, 0x8000, 0xA000 }; - - m_video_ram = m_ram + startaddr[(data >> 1) & 0x03] - 0x8000; - - cassette_latch_control((data & 8) == 8); - m_sys_latch = data; - - m_timer_irq_mask = data & 1; - //printf("%02x\n",data); -} - - -uint8_t pc6001_state::nec_ppi8255_r(offs_t offset) -{ - if (offset==2) - return m_port_c_8255; - else if(offset==0) - { - uint8_t res; - res = m_cur_keycode; - //m_cur_keycode = 0; - return res; - } - - return m_ppi->read(offset); -} - -void pc6001_state::nec_ppi8255_w(offs_t offset, uint8_t data) -{ - if (offset==3) - { - ppi_control_hack_w(data); - //printf("%02x\n",data); - - if ((data & 0x0f) == 0x05 && m_cart_rom) - m_bank1->set_base(m_cart_rom->base() + 0x2000); - if ((data & 0x0f) == 0x04) - m_bank1->set_base(m_region_gfx1->base()); - } - - m_ppi->write(offset,data); -} - -void pc6001_state::pc6001_map(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x3fff).rom().nopw(); -// map(0x4000, 0x5fff) // mapped by the cartslot - map(0x6000, 0x7fff).bankr("bank1"); - map(0x8000, 0xffff).ram().share("ram"); -} - -void pc6001_state::pc6001_io(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x80, 0x81).rw("uart", FUNC(i8251_device::read), FUNC(i8251_device::write)); - map(0x90, 0x93).mirror(0x0c).rw(FUNC(pc6001_state::nec_ppi8255_r), FUNC(pc6001_state::nec_ppi8255_w)); - map(0xa0, 0xa0).mirror(0x0c).w("ay8910", FUNC(ay8910_device::address_w)); - map(0xa1, 0xa1).mirror(0x0c).w("ay8910", FUNC(ay8910_device::data_w)); - map(0xa2, 0xa2).mirror(0x0c).r("ay8910", FUNC(ay8910_device::data_r)); - map(0xa3, 0xa3).mirror(0x0c).nopw(); - map(0xb0, 0xb0).mirror(0x0f).w(FUNC(pc6001_state::system_latch_w)); - map(0xd0, 0xd3).mirror(0x0c).noprw(); // disk device -} - -/***************************************** - * - * PC-6001Mk2 specific i/o - * - ****************************************/ - -/* - ROM_REGION( 0x28000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "basicrom.62", 0x10000, 0x8000, CRC(950ac401) SHA1(fbf195ba74a3b0f80b5a756befc96c61c2094182) ) - ROM_LOAD( "voicerom.62", 0x18000, 0x4000, CRC(49b4f917) SHA1(1a2d18f52ef19dc93da3d65f19d3abbd585628af) ) - ROM_LOAD( "cgrom60.62", 0x1c000, 0x2000, CRC(81eb5d95) SHA1(53d8ae9599306ff23bf95208d2f6cc8fed3fc39f) ) - ROM_LOAD( "cgrom60m.62", 0x1e000, 0x2000, CRC(3ce48c33) SHA1(f3b6c63e83a17d80dde63c6e4d86adbc26f84f79) ) - ROM_LOAD( "kanjirom.62", 0x20000, 0x8000, CRC(20c8f3eb) SHA1(4c9f30f0a2ebbe70aa8e697f94eac74d8241cadd) ) -*/ - -#define BASICROM(_v_) \ - 0x10000+0x2000*_v_ -#define VOICEROM(_v_) \ - 0x18000+0x2000*_v_ -#define TVROM(_v_) \ - 0x1c000+0x2000*_v_ -#define KANJIROM(_v_) \ - 0x20000+0x2000*_v_ -#define WRAM(_v_) \ - 0x28000+0x2000*_v_ -#define EXWRAM(_v_) \ - 0x38000+0x2000*_v_ -#define EXROM(_v_) \ - 0x48000+0x2000*_v_ -#define INVALID(_v_) \ - 0x4c000+0x2000*_v_ -// TODO: rewrite using bankdev -// TODO: some comments aren't right -static const uint32_t banksw_table_r0[0x10*4][4] = { - /* 0 */ - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x00: <invalid setting> - { BASICROM(0), BASICROM(1), BASICROM(2), BASICROM(3) }, //0x01: basic rom 0 & 1 / basic rom 2 & 3 - { TVROM(0), TVROM(1), VOICEROM(0), VOICEROM(1) }, //0x02: tv rom 0 & 1 / voice rom 0 & 1 - { EXROM(1), EXROM(1), EXROM(1), EXROM(1) }, //0x03: ex rom 1 & 1 / ex rom 1 & 1 - { EXROM(0), EXROM(0), EXROM(0), EXROM(0) }, //0x04: ex rom 0 & 0 / ex rom 0 & 0 - { TVROM(1), BASICROM(1), VOICEROM(0), BASICROM(3) }, //0x05: tv rom 1 & basic rom 1 / voice rom 0 & basic 3 - { BASICROM(0), TVROM(2), BASICROM(2), VOICEROM(1) }, //0x06: basic rom 0 & tv rom 2 / basic rom 2 & voice 1 - { EXROM(0), EXROM(1), EXROM(0), EXROM(1) }, //0x07: ex rom 0 & ex rom 1 / ex rom 0 & ex rom 1 - { EXROM(1), EXROM(0), EXROM(1), EXROM(0) }, //0x08: ex rom 1 & ex rom 0 / ex rom 1 & ex rom 0 - { EXROM(1), BASICROM(1), EXROM(1), BASICROM(3) }, //0x09: ex rom 1 & basic rom 1 / ex rom 1 & basic 3 - { BASICROM(0), EXROM(1), BASICROM(2), EXROM(1) }, //0x0a: basic rom 0 & ex rom 1 / basic rom 2 & ex rom 1 - { EXROM(0), TVROM(2), EXROM(0), VOICEROM(1) }, //0x0b: ex rom 0 & tv rom 2 / ex rom 0 & voice 1 - { TVROM(1), EXROM(0), VOICEROM(0), EXROM(0) }, //0x0c: tv rom 1 & ex rom 0 / voice rom 0 & ex rom 0 - { WRAM(0), WRAM(1), WRAM(2), WRAM(3) }, //0x0d: ram 0 & 1 / ram 2 & 3 - { EXWRAM(0), EXWRAM(1), EXWRAM(2), EXWRAM(3) }, //0x0e: exram 0 & 1 / exram 2 & 3 - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x0f: <invalid setting> - /* 1 */ - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x00: <invalid setting> - { BASICROM(0), BASICROM(1), BASICROM(2), BASICROM(3) }, //0x01: basic rom 0 & 1 / basic rom 2 & 3 - { KANJIROM(0), KANJIROM(1), KANJIROM(0), KANJIROM(1) }, //0x02: tv rom 0 & 1 / voice rom 0 & 1 - { EXROM(1), EXROM(1), EXROM(1), EXROM(1) }, //0x03: ex rom 1 & 1 / ex rom 1 & 1 - { EXROM(0), EXROM(0), EXROM(0), EXROM(0) }, //0x04: ex rom 0 & 0 / ex rom 0 & 0 - { KANJIROM(0), BASICROM(1), KANJIROM(0), BASICROM(3) }, //0x05: tv rom 1 & basic rom 1 / voice rom 0 & basic 3 - { BASICROM(0), KANJIROM(1), BASICROM(2), KANJIROM(1) }, //0x06: basic rom 0 & tv rom 2 / basic rom 2 & voice 1 - { EXROM(0), EXROM(1), EXROM(0), EXROM(1) }, //0x07: ex rom 0 & ex rom 1 / ex rom 0 & ex rom 1 - { EXROM(1), EXROM(0), EXROM(1), EXROM(0) }, //0x08: ex rom 1 & ex rom 0 / ex rom 1 & ex rom 0 - { EXROM(1), BASICROM(1), EXROM(1), BASICROM(3) }, //0x09: ex rom 1 & basic rom 1 / ex rom 1 & basic 3 - { BASICROM(0), EXROM(1), BASICROM(2), EXROM(1) }, //0x0a: basic rom 0 & ex rom 1 / basic rom 2 & ex rom 1 - { EXROM(0), KANJIROM(1), EXROM(0), KANJIROM(1) }, //0x0b: ex rom 0 & tv rom 2 / ex rom 0 & voice 1 - { KANJIROM(0), EXROM(0), KANJIROM(0), EXROM(0) }, //0x0c: tv rom 1 & ex rom 0 / voice rom 0 & ex rom 0 - { WRAM(0), WRAM(1), WRAM(2), WRAM(3) }, //0x0d: ram 0 & 1 / ram 2 & 3 - { EXWRAM(0), EXWRAM(1), EXWRAM(2), EXWRAM(3) }, //0x0e: exram 0 & 1 / exram 2 & 3 - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x0f: <invalid setting> - /* 2 */ - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x00: <invalid setting> - { BASICROM(0), BASICROM(1), BASICROM(2), BASICROM(3) }, //0x01: basic rom 0 & 1 / basic rom 2 & 3 - { TVROM(0), TVROM(1), VOICEROM(0), VOICEROM(1) }, //0x02: tv rom 0 & 1 / voice rom 0 & 1 - { EXROM(1), EXROM(1), EXROM(1), EXROM(1) }, //0x03: ex rom 1 & 1 / ex rom 1 & 1 - { EXROM(0), EXROM(0), EXROM(0), EXROM(0) }, //0x04: ex rom 0 & 0 / ex rom 0 & 0 - { TVROM(1), BASICROM(1), VOICEROM(0), BASICROM(3) }, //0x05: tv rom 1 & basic rom 1 / voice rom 0 & basic 3 - { BASICROM(0), TVROM(2), BASICROM(2), VOICEROM(1) }, //0x06: basic rom 0 & tv rom 2 / basic rom 2 & voice 1 - { EXROM(0), EXROM(1), EXROM(0), EXROM(1) }, //0x07: ex rom 0 & ex rom 1 / ex rom 0 & ex rom 1 - { EXROM(1), EXROM(0), EXROM(1), EXROM(0) }, //0x08: ex rom 1 & ex rom 0 / ex rom 1 & ex rom 0 - { EXROM(1), BASICROM(1), EXROM(1), BASICROM(3) }, //0x09: ex rom 1 & basic rom 1 / ex rom 1 & basic 3 - { BASICROM(0), EXROM(1), BASICROM(2), EXROM(1) }, //0x0a: basic rom 0 & ex rom 1 / basic rom 2 & ex rom 1 - { EXROM(0), TVROM(2), EXROM(0), VOICEROM(1) }, //0x0b: ex rom 0 & tv rom 2 / ex rom 0 & voice 1 - { TVROM(1), EXROM(0), VOICEROM(0), EXROM(0) }, //0x0c: tv rom 1 & ex rom 0 / voice rom 0 & ex rom 0 - { WRAM(0), WRAM(1), WRAM(2), WRAM(3) }, //0x0d: ram 0 & 1 / ram 2 & 3 - { EXWRAM(0), EXWRAM(1), EXWRAM(2), EXWRAM(3) }, //0x0e: exram 0 & 1 / exram 2 & 3 - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x0f: <invalid setting> - /* 3 */ - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x00: <invalid setting> - { BASICROM(0), BASICROM(1), BASICROM(2), BASICROM(3) }, //0x01: basic rom 0 & 1 / basic rom 2 & 3 - { KANJIROM(2), KANJIROM(3), KANJIROM(2), KANJIROM(3) }, //0x02: tv rom 0 & 1 / voice rom 0 & 1 - { EXROM(1), EXROM(1), EXROM(1), EXROM(1) }, //0x03: ex rom 1 & 1 / ex rom 1 & 1 - { EXROM(0), EXROM(0), EXROM(0), EXROM(0) }, //0x04: ex rom 0 & 0 / ex rom 0 & 0 - { KANJIROM(2), BASICROM(1), KANJIROM(2), BASICROM(3) }, //0x05: tv rom 1 & basic rom 1 / voice rom 0 & basic 3 - { BASICROM(0), KANJIROM(3), BASICROM(2), KANJIROM(3) }, //0x06: basic rom 0 & tv rom 2 / basic rom 2 & voice 1 - { EXROM(0), EXROM(1), EXROM(0), EXROM(1) }, //0x07: ex rom 0 & ex rom 1 / ex rom 0 & ex rom 1 - { EXROM(1), EXROM(0), EXROM(1), EXROM(0) }, //0x08: ex rom 1 & ex rom 0 / ex rom 1 & ex rom 0 - { EXROM(1), BASICROM(1), EXROM(1), BASICROM(3) }, //0x09: ex rom 1 & basic rom 1 / ex rom 1 & basic 3 - { BASICROM(0), EXROM(1), BASICROM(2), EXROM(1) }, //0x0a: basic rom 0 & ex rom 1 / basic rom 2 & ex rom 1 - { EXROM(0), KANJIROM(3), EXROM(0), KANJIROM(3) }, //0x0b: ex rom 0 & tv rom 2 / ex rom 0 & voice 1 - { KANJIROM(2), EXROM(0), KANJIROM(2), EXROM(0) }, //0x0c: tv rom 1 & ex rom 0 / voice rom 0 & ex rom 0 - { WRAM(0), WRAM(1), WRAM(2), WRAM(3) }, //0x0d: ram 0 & 1 / ram 2 & 3 - { EXWRAM(0), EXWRAM(1), EXWRAM(2), EXWRAM(3) }, //0x0e: exram 0 & 1 / exram 2 & 3 - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) } //0x0f: <invalid setting> -}; - -static const uint32_t banksw_table_r1[0x10*4][4] = { - /* 0 */ - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x00: <invalid setting> - { BASICROM(0), BASICROM(1), BASICROM(2), BASICROM(3) }, //0x01: basic rom 0 & 1 / basic rom 2 & 3 - { VOICEROM(0), VOICEROM(1), VOICEROM(0), VOICEROM(1) }, //0x02: voice rom 0 & 1 / voice rom 0 & 1 - { EXROM(1), EXROM(1), EXROM(1), EXROM(1) }, //0x03: ex rom 1 & 1 / ex rom 1 & 1 - { EXROM(0), EXROM(0), EXROM(0), EXROM(0) }, //0x04: ex rom 0 & 0 / ex rom 0 & 0 - { VOICEROM(0), BASICROM(1), VOICEROM(0), BASICROM(3) }, //0x05: voice rom 0 & basic rom 1 / voice rom 0 & basic 3 - { BASICROM(0), VOICEROM(1), BASICROM(2), VOICEROM(1) }, //0x06: basic rom 0 & voice rom 1 / basic rom 2 & voice 1 - { EXROM(0), EXROM(1), EXROM(0), EXROM(1) }, //0x07: ex rom 0 & ex rom 1 / ex rom 0 & ex rom 1 - { EXROM(1), EXROM(0), EXROM(1), EXROM(0) }, //0x08: ex rom 1 & ex rom 0 / ex rom 1 & ex rom 0 - { EXROM(1), BASICROM(1), EXROM(1), BASICROM(3) }, //0x09: ex rom 1 & basic rom 1 / ex rom 1 & basic 3 - { BASICROM(0), EXROM(1), BASICROM(2), EXROM(1) }, //0x0a: basic rom 0 & ex rom 1 / basic rom 2 & ex rom 1 - { EXROM(0), VOICEROM(1), EXROM(0), VOICEROM(1) }, //0x0b: ex rom 0 & voice rom 1 / ex rom 0 & voice 1 - { VOICEROM(0), EXROM(0), VOICEROM(0), EXROM(0) }, //0x0c: voice rom 1 & ex rom 0 / voice rom 0 & ex rom 0 - { WRAM(4), WRAM(5), WRAM(6), WRAM(7) }, //0x0d: ram 4 & 5 / ram 6 & 7 - { EXWRAM(4), EXWRAM(5), EXWRAM(6), EXWRAM(7) }, //0x0e: exram 4 & 5 / exram 6 & 7 - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x0f: <invalid setting> - /* 1 */ - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x00: <invalid setting> - { BASICROM(0), BASICROM(1), BASICROM(2), BASICROM(3) }, //0x01: basic rom 0 & 1 / basic rom 2 & 3 - { KANJIROM(0), KANJIROM(1), KANJIROM(0), KANJIROM(1) }, //0x02: kanji rom 0 & 1 / kanji rom 0 & 1 - { EXROM(1), EXROM(1), EXROM(1), EXROM(1) }, //0x03: ex rom 1 & 1 / ex rom 1 & 1 - { EXROM(0), EXROM(0), EXROM(0), EXROM(0) }, //0x04: ex rom 0 & 0 / ex rom 0 & 0 - { KANJIROM(0), BASICROM(1), KANJIROM(0), BASICROM(3) }, //0x05: voice rom 0 & basic rom 1 / voice rom 0 & basic 3 - { BASICROM(0), KANJIROM(1), BASICROM(2), KANJIROM(1) }, //0x06: basic rom 0 & voice rom 1 / basic rom 2 & voice 1 - { EXROM(0), EXROM(1), EXROM(0), EXROM(1) }, //0x07: ex rom 0 & ex rom 1 / ex rom 0 & ex rom 1 - { EXROM(1), EXROM(0), EXROM(1), EXROM(0) }, //0x08: ex rom 1 & ex rom 0 / ex rom 1 & ex rom 0 - { EXROM(1), BASICROM(1), EXROM(1), BASICROM(3) }, //0x09: ex rom 1 & basic rom 1 / ex rom 1 & basic 3 - { BASICROM(0), EXROM(1), BASICROM(2), EXROM(1) }, //0x0a: basic rom 0 & ex rom 1 / basic rom 2 & ex rom 1 - { EXROM(0), KANJIROM(1), EXROM(0), KANJIROM(1) }, //0x0b: ex rom 0 & voice rom 1 / ex rom 0 & voice 1 - { KANJIROM(0), EXROM(0), KANJIROM(0), EXROM(0) }, //0x0c: voice rom 1 & ex rom 0 / voice rom 0 & ex rom 0 - { WRAM(4), WRAM(5), WRAM(6), WRAM(7) }, //0x0d: ram 4 & 5 / ram 6 & 7 - { EXWRAM(4), EXWRAM(5), EXWRAM(6), EXWRAM(7) }, //0x0e: exram 4 & 5 / exram 6 & 7 - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x0f: <invalid setting> - /* 2 */ - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x00: <invalid setting> - { BASICROM(0), BASICROM(1), BASICROM(2), BASICROM(3) }, //0x01: basic rom 0 & 1 / basic rom 2 & 3 - { VOICEROM(0), VOICEROM(1), VOICEROM(0), VOICEROM(1) }, //0x02: voice rom 0 & 1 / voice rom 0 & 1 - { EXROM(1), EXROM(1), EXROM(1), EXROM(1) }, //0x03: ex rom 1 & 1 / ex rom 1 & 1 - { EXROM(0), EXROM(0), EXROM(0), EXROM(0) }, //0x04: ex rom 0 & 0 / ex rom 0 & 0 - { VOICEROM(0), BASICROM(1), VOICEROM(0), BASICROM(3) }, //0x05: voice rom 0 & basic rom 1 / voice rom 0 & basic 3 - { BASICROM(0), VOICEROM(1), BASICROM(2), VOICEROM(1) }, //0x06: basic rom 0 & voice rom 1 / basic rom 2 & voice 1 - { EXROM(0), EXROM(1), EXROM(0), EXROM(1) }, //0x07: ex rom 0 & ex rom 1 / ex rom 0 & ex rom 1 - { EXROM(1), EXROM(0), EXROM(1), EXROM(0) }, //0x08: ex rom 1 & ex rom 0 / ex rom 1 & ex rom 0 - { EXROM(1), BASICROM(1), EXROM(1), BASICROM(3) }, //0x09: ex rom 1 & basic rom 1 / ex rom 1 & basic 3 - { BASICROM(0), EXROM(1), BASICROM(2), EXROM(1) }, //0x0a: basic rom 0 & ex rom 1 / basic rom 2 & ex rom 1 - { EXROM(0), VOICEROM(1), EXROM(0), VOICEROM(1) }, //0x0b: ex rom 0 & voice rom 1 / ex rom 0 & voice 1 - { VOICEROM(0), EXROM(0), VOICEROM(0), EXROM(0) }, //0x0c: voice rom 1 & ex rom 0 / voice rom 0 & ex rom 0 - { WRAM(4), WRAM(5), WRAM(6), WRAM(7) }, //0x0d: ram 4 & 5 / ram 6 & 7 - { EXWRAM(4), EXWRAM(5), EXWRAM(6), EXWRAM(7) }, //0x0e: exram 4 & 5 / exram 6 & 7 - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x0f: <invalid setting> - /* 3 */ - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) }, //0x00: <invalid setting> - { BASICROM(0), BASICROM(1), BASICROM(2), BASICROM(3) }, //0x01: basic rom 0 & 1 / basic rom 2 & 3 - { KANJIROM(2), KANJIROM(3), KANJIROM(2), KANJIROM(3) }, //0x02: kanji rom 0 & 1 / kanji rom 0 & 1 - { EXROM(1), EXROM(1), EXROM(1), EXROM(1) }, //0x03: ex rom 1 & 1 / ex rom 1 & 1 - { EXROM(0), EXROM(0), EXROM(0), EXROM(0) }, //0x04: ex rom 0 & 0 / ex rom 0 & 0 - { KANJIROM(2), BASICROM(1), KANJIROM(2), BASICROM(3) }, //0x05: voice rom 0 & basic rom 1 / voice rom 0 & basic 3 - { BASICROM(0), KANJIROM(3), BASICROM(2), KANJIROM(3) }, //0x06: basic rom 0 & voice rom 1 / basic rom 2 & voice 1 - { EXROM(0), EXROM(1), EXROM(0), EXROM(1) }, //0x07: ex rom 0 & ex rom 1 / ex rom 0 & ex rom 1 - { EXROM(1), EXROM(0), EXROM(1), EXROM(0) }, //0x08: ex rom 1 & ex rom 0 / ex rom 1 & ex rom 0 - { EXROM(1), BASICROM(1), EXROM(1), BASICROM(3) }, //0x09: ex rom 1 & basic rom 1 / ex rom 1 & basic 3 - { BASICROM(0), EXROM(1), BASICROM(2), EXROM(1) }, //0x0a: basic rom 0 & ex rom 1 / basic rom 2 & ex rom 1 - { EXROM(0), KANJIROM(3), EXROM(0), KANJIROM(3) }, //0x0b: ex rom 0 & voice rom 1 / ex rom 0 & voice 1 - { KANJIROM(2), EXROM(0), KANJIROM(2), EXROM(0) }, //0x0c: voice rom 1 & ex rom 0 / voice rom 0 & ex rom 0 - { WRAM(4), WRAM(5), WRAM(6), WRAM(7) }, //0x0d: ram 4 & 5 / ram 6 & 7 - { EXWRAM(4), EXWRAM(5), EXWRAM(6), EXWRAM(7) }, //0x0e: exram 4 & 5 / exram 6 & 7 - { INVALID(0), INVALID(0), INVALID(0), INVALID(0) } //0x0f: <invalid setting> -}; - -void pc6001mk2_state::mk2_bank_r0_w(uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - uint8_t *gfx_data = m_region_gfx1->base(); - -// bankaddress = 0x10000 + (0x4000 * ((data & 0x40)>>6)); -// membank(1)->set_base(&ROM[bankaddress]); - - m_bank_r0 = data; - -// printf("%02x BANK | %02x\n",data,m_bank_opt); - m_bank1->set_base(&ROM[banksw_table_r0[(data & 0xf)+(m_bank_opt*0x10)][0]]); - m_bank2->set_base(&ROM[banksw_table_r0[(data & 0xf)+(m_bank_opt*0x10)][1]]); - m_bank3->set_base(&ROM[banksw_table_r0[((data & 0xf0)>>4)+(m_bank_opt*0x10)][2]]); - if(!m_gfx_bank_on) - m_bank4->set_base(&ROM[banksw_table_r0[((m_bank_r0 & 0xf0)>>4)+(m_bank_opt*0x10)][3]]); - else - m_bank4->set_base(&gfx_data[m_cgrom_bank_addr]); -} - -void pc6001mk2_state::mk2_bank_r1_w(uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - -// bankaddress = 0x10000 + (0x4000 * ((data & 0x40)>>6)); -// membank(1)->set_base(&ROM[bankaddress]); - - m_bank_r1 = data; - -// printf("%02x BANK\n",data); - m_bank5->set_base(&ROM[banksw_table_r1[(data & 0xf)+(m_bank_opt*0x10)][0]]); - m_bank6->set_base(&ROM[banksw_table_r1[(data & 0xf)+(m_bank_opt*0x10)][1]]); - m_bank7->set_base(&ROM[banksw_table_r1[((data & 0xf0)>>4)+(m_bank_opt*0x10)][2]]); - m_bank8->set_base(&ROM[banksw_table_r1[((data & 0xf0)>>4)+(m_bank_opt*0x10)][3]]); -} - -void pc6001mk2_state::mk2_bank_w0_w(uint8_t data) -{ - m_bank_w = data; -} - -void pc6001mk2_state::mk2_opt_bank_w(uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - uint8_t *gfx_data = m_region_gfx1->base(); - - /* - 0 - TVROM / VOICE ROM - 1 - KANJI ROM bank 0 - 2 - KANJI ROM bank 1 - 3 - TVROM / VOICE ROM - */ - m_bank_opt = data & 3; - - m_bank1->set_base(&ROM[banksw_table_r0[(m_bank_r0 & 0xf)+(m_bank_opt*0x10)][0]]); - m_bank2->set_base(&ROM[banksw_table_r0[(m_bank_r0 & 0xf)+(m_bank_opt*0x10)][1]]); - m_bank3->set_base(&ROM[banksw_table_r0[((m_bank_r0 & 0xf0)>>4)+(m_bank_opt*0x10)][2]]); - if(!m_gfx_bank_on) - m_bank4->set_base(&ROM[banksw_table_r0[((m_bank_r0 & 0xf0)>>4)+(m_bank_opt*0x10)][3]]); - else - m_bank4->set_base(&gfx_data[m_cgrom_bank_addr]); - m_bank4->set_base(&ROM[banksw_table_r0[((m_bank_r0 & 0xf0)>>4)+(m_bank_opt*0x10)][3]]); - m_bank5->set_base(&ROM[banksw_table_r1[(m_bank_r1 & 0xf)+(m_bank_opt*0x10)][0]]); - m_bank6->set_base(&ROM[banksw_table_r1[(m_bank_r1 & 0xf)+(m_bank_opt*0x10)][1]]); - m_bank7->set_base(&ROM[banksw_table_r1[((m_bank_r1 & 0xf0)>>4)+(m_bank_opt*0x10)][2]]); - m_bank8->set_base(&ROM[banksw_table_r1[((m_bank_r1 & 0xf0)>>4)+(m_bank_opt*0x10)][3]]); - -} - -void pc6001mk2_state::mk2_work_ram0_w(offs_t offset, uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - ROM[offset+((m_bank_w & 0x01) ? WRAM(0) : EXWRAM(0))] = data; -} - -void pc6001mk2_state::mk2_work_ram1_w(offs_t offset, uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - ROM[offset+((m_bank_w & 0x01) ? WRAM(1) : EXWRAM(1))] = data; -} - -void pc6001mk2_state::mk2_work_ram2_w(offs_t offset, uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - ROM[offset+((m_bank_w & 0x04) ? WRAM(2) : EXWRAM(2))] = data; -} - -void pc6001mk2_state::mk2_work_ram3_w(offs_t offset, uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - ROM[offset+((m_bank_w & 0x04) ? WRAM(3) : EXWRAM(3))] = data; -} - -void pc6001mk2_state::mk2_work_ram4_w(offs_t offset, uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - ROM[offset+((m_bank_w & 0x10) ? WRAM(4) : EXWRAM(4))] = data; -} - -void pc6001mk2_state::mk2_work_ram5_w(offs_t offset, uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - ROM[offset+((m_bank_w & 0x10) ? WRAM(5) : EXWRAM(5))] = data; -} - -void pc6001mk2_state::mk2_work_ram6_w(offs_t offset, uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - ROM[offset+((m_bank_w & 0x40) ? WRAM(6) : EXWRAM(6))] = data; -} - -void pc6001mk2_state::mk2_work_ram7_w(offs_t offset, uint8_t data) -{ - uint8_t *ROM = m_region_maincpu->base(); - ROM[offset+((m_bank_w & 0x40) ? WRAM(7) : EXWRAM(7))] = data; -} - - -void pc6001mk2_state::necmk2_ppi8255_w(offs_t offset, uint8_t data) -{ - if (offset==3) - { - ppi_control_hack_w(data); - - if((data & 0x0f) == 0x05) - { - uint8_t *ROM = m_region_maincpu->base(); - - m_gfx_bank_on = 0; - m_bank4->set_base(&ROM[banksw_table_r0[((m_bank_r0 & 0xf0)>>4)+(m_bank_opt*0x10)][3]]); - } - - if((data & 0x0f) == 0x04) - { - uint8_t *gfx_data = m_region_gfx1->base(); - - m_gfx_bank_on = 1; - m_bank4->set_base(&gfx_data[m_cgrom_bank_addr]); - } - } - - m_ppi->write(offset,data); -} - -void pc6001mk2_state::vram_bank_change(uint8_t vram_bank) -{ - uint32_t bank_base_values[8] = { 0x8000, 0xc000, 0xc000, 0xe000, 0x0000, 0x8000, 0x4000, 0xa000 }; - uint8_t vram_bank_index = ((vram_bank & 0x60) >> 4) | ((vram_bank & 2) >> 1); -// uint8_t *work_ram = m_region_maincpu->base(); - -// bit 2 of vram_bank sets up 4 color mode - set_videoram_bank(0x28000 + bank_base_values[vram_bank_index]); - -// popmessage("%02x",vram_bank); -} - -void pc6001mk2_state::mk2_system_latch_w(uint8_t data) -{ - cassette_latch_control((data & 8) == 8); - m_sys_latch = data; - - m_timer_irq_mask = data & 1; - vram_bank_change((m_ex_vram_bank & 0x06) | ((m_sys_latch & 0x06) << 4)); - - //printf("%02x B0\n",data); -} - -inline void pc6001mk2_state::refresh_crtc_params() -{ - /* Apparently bitmap modes changes the screen res to 320 x 200 */ - rectangle visarea = m_screen->visible_area(); - int y_height; - - y_height = (m_exgfx_bitmap_mode || m_exgfx_2bpp_mode) ? 200 : 240; - - visarea.set(0, (320) - 1, 0, (y_height) - 1); - - m_screen->configure(m_screen->width(), m_screen->height(), visarea, m_screen->frame_period().attoseconds()); -} - -void pc6001mk2_state::mk2_vram_bank_w(uint8_t data) -{ - //static const uint32_t startaddr[] = {WRAM(6), WRAM(6), WRAM(0), WRAM(4) }; - - m_ex_vram_bank = data; - vram_bank_change((m_ex_vram_bank & 0x06) | ((m_sys_latch & 0x06) << 4)); - - m_exgfx_text_mode = ((data & 2) == 0); - m_cgrom_bank_addr = (data & 2) ? 0x0000 : 0x2000; - - m_exgfx_bitmap_mode = (data & 8); - m_exgfx_2bpp_mode = ((data & 6) == 0); - - refresh_crtc_params(); - -// popmessage("%02x",data); - -// m_video_ram = work_ram + startaddr[(data >> 1) & 0x03]; -} - -void pc6001mk2_state::mk2_col_bank_w(uint8_t data) -{ - m_bgcol_bank = (data & 7); -} - - -void pc6001mk2_state::mk2_0xf3_w(uint8_t data) -{ - /* - x--- ---- M1 (?) wait setting - -x-- ---- ROM wait setting - --x- ---- RAM wait setting - ---x ---- custom irq 2 address output - ---- x--- custom irq 1 address output - ---- -x-- timer irq mask 2 (mirror?) - ---- --x- custom irq 2 mask - ---- ---x custom irq 1 mask - */ - m_timer_irq_mask2 = data & 4; -} - -inline void pc6001_state::set_timer_divider(uint8_t data) -{ - m_timer_hz_div = data; - attotime period = attotime::from_hz((487.5*4)/(m_timer_hz_div+1)); - m_timer_irq_timer->adjust(period, 0, period); -} - -void pc6001mk2_state::mk2_timer_adj_w(uint8_t data) -{ - set_timer_divider(data); -} - -void pc6001mk2_state::mk2_timer_irqv_w(uint8_t data) -{ - m_timer_irq_vector = data; -} - -uint8_t pc6001mk2_state::mk2_bank_r0_r() -{ - return m_bank_r0; -} - -uint8_t pc6001mk2_state::mk2_bank_r1_r() -{ - return m_bank_r1; -} - -uint8_t pc6001mk2_state::mk2_bank_w0_r() -{ - return m_bank_w; -} - -void pc6001mk2_state::pc6001mk2_map(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x1fff).bankr("bank1").w(FUNC(pc6001mk2_state::mk2_work_ram0_w)); - map(0x2000, 0x3fff).bankr("bank2").w(FUNC(pc6001mk2_state::mk2_work_ram1_w)); - map(0x4000, 0x5fff).bankr("bank3").w(FUNC(pc6001mk2_state::mk2_work_ram2_w)); - map(0x6000, 0x7fff).bankr("bank4").w(FUNC(pc6001mk2_state::mk2_work_ram3_w)); - map(0x8000, 0x9fff).bankr("bank5").w(FUNC(pc6001mk2_state::mk2_work_ram4_w)); - map(0xa000, 0xbfff).bankr("bank6").w(FUNC(pc6001mk2_state::mk2_work_ram5_w)); - map(0xc000, 0xdfff).bankr("bank7").w(FUNC(pc6001mk2_state::mk2_work_ram6_w)); - map(0xe000, 0xffff).bankr("bank8").w(FUNC(pc6001mk2_state::mk2_work_ram7_w)); -} - -void pc6001mk2_state::pc6001mk2_io(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x80, 0x81).rw("uart", FUNC(i8251_device::read), FUNC(i8251_device::write)); - - map(0x90, 0x93).mirror(0x0c).rw(FUNC(pc6001mk2_state::nec_ppi8255_r), FUNC(pc6001mk2_state::necmk2_ppi8255_w)); - - map(0xa0, 0xa0).mirror(0x0c).w("ay8910", FUNC(ay8910_device::address_w)); - map(0xa1, 0xa1).mirror(0x0c).w("ay8910", FUNC(ay8910_device::data_w)); - map(0xa2, 0xa2).mirror(0x0c).r("ay8910", FUNC(ay8910_device::data_r)); - map(0xa3, 0xa3).mirror(0x0c).noprw(); - - map(0xb0, 0xb0).mirror(0x0f).w(FUNC(pc6001mk2_state::mk2_system_latch_w)); - - map(0xc0, 0xc0).w(FUNC(pc6001mk2_state::mk2_col_bank_w)); - map(0xc1, 0xc1).w(FUNC(pc6001mk2_state::mk2_vram_bank_w)); - map(0xc2, 0xc2).w(FUNC(pc6001mk2_state::mk2_opt_bank_w)); - - map(0xd0, 0xd3).mirror(0x0c).noprw(); // disk device - - map(0xe0, 0xe3).mirror(0x0c).rw("upd7752", FUNC(upd7752_device::read), FUNC(upd7752_device::write)); - - map(0xf0, 0xf0).rw(FUNC(pc6001mk2_state::mk2_bank_r0_r), FUNC(pc6001mk2_state::mk2_bank_r0_w)); - map(0xf1, 0xf1).rw(FUNC(pc6001mk2_state::mk2_bank_r1_r), FUNC(pc6001mk2_state::mk2_bank_r1_w)); - map(0xf2, 0xf2).rw(FUNC(pc6001mk2_state::mk2_bank_w0_r), FUNC(pc6001mk2_state::mk2_bank_w0_w)); - map(0xf3, 0xf3).w(FUNC(pc6001mk2_state::mk2_0xf3_w)); -// map(0xf4 -// map(0xf5 - map(0xf6, 0xf6).w(FUNC(pc6001mk2_state::mk2_timer_adj_w)); - map(0xf7, 0xf7).w(FUNC(pc6001mk2_state::mk2_timer_irqv_w)); -} - -/***************************************** - * - * PC-6601 specific i/o - * - ****************************************/ - -// disk device placeholder -// TODO: identify & hook-up this FDC -uint8_t pc6601_state::fdc_r() -{ - return machine().rand(); -} - -void pc6601_state::fdc_w(uint8_t data) -{ -} - -void pc6601_state::pc6601_io(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - pc6001mk2_io(map); - - // these are disk related -// map(0xb1 -// map(0xb2 -// map(0xb3 - - map(0xd0, 0xdf).rw(FUNC(pc6601_state::fdc_r), FUNC(pc6601_state::fdc_w)); -} - -/***************************************** - * - * PC-6001 SR specific i/o - * - ****************************************/ - -#define SR_SYSROM_1(_v_) \ - 0x10000+(0x1000*_v_) -#define SR_SYSROM_2(_v_) \ - 0x20000+(0x1000*_v_) -#define SR_CGROM1(_v_) \ - 0x30000+(0x1000*_v_) -#define SR_EXROM0(_v_) \ - 0x40000+(0x1000*_v_) -#define SR_EXROM1(_v_) \ - 0x50000+(0x1000*_v_) -#define SR_EXRAM0(_v_) \ - 0x60000+(0x1000*_v_) -#define SR_WRAM0(_v_) \ - 0x70000+(0x1000*_v_) -#define SR_NULL(_v_) \ - 0x80000+(0x1000*_v_) - -uint8_t pc6001sr_state::sr_bank_rn_r(offs_t offset) -{ - return m_sr_bank_r[offset]; -} - -void pc6001sr_state::sr_bank_rn_w(offs_t offset, uint8_t data) -{ - memory_bank *bank[8] = { m_bank1, m_bank2, m_bank3, m_bank4, m_bank5, m_bank6, m_bank7, m_bank8 }; - uint8_t *ROM = m_region_maincpu->base(); - uint8_t bank_num; - - m_sr_bank_r[offset] = data; - bank_num = data & 0x0f; - - switch(data & 0xf0) - { - case 0xf0: bank[offset]->set_base(&ROM[SR_SYSROM_1(bank_num)]); break; - case 0xe0: bank[offset]->set_base(&ROM[SR_SYSROM_2(bank_num)]); break; - case 0xd0: bank[offset]->set_base(&ROM[SR_CGROM1(bank_num)]); break; - case 0xc0: bank[offset]->set_base(&ROM[SR_EXROM1(bank_num)]); break; - case 0xb0: bank[offset]->set_base(&ROM[SR_EXROM0(bank_num)]); break; - case 0x20: bank[offset]->set_base(&ROM[SR_EXRAM0(bank_num)]); break; - case 0x00: bank[offset]->set_base(&ROM[SR_WRAM0(bank_num)]); break; - default: bank[offset]->set_base(&ROM[SR_NULL(bank_num)]); break; - } -} - -uint8_t pc6001sr_state::sr_bank_wn_r(offs_t offset) -{ - return m_sr_bank_w[offset]; -} - -void pc6001sr_state::sr_bank_wn_w(offs_t offset, uint8_t data) -{ - m_sr_bank_w[offset] = data; -} - -void pc6001sr_state::sr_bitmap_yoffs_w(uint8_t data) -{ - m_bitmap_yoffs = data; -} - -void pc6001sr_state::sr_bitmap_xoffs_w(uint8_t data) -{ - m_bitmap_xoffs = data; -} - -#define SR_WRAM_BANK_W(_v_) \ -{ \ - uint8_t *ROM = m_region_maincpu->base(); \ - uint8_t bank_num; \ - bank_num = m_sr_bank_w[_v_] & 0x0e; \ - if((m_sr_bank_w[_v_] & 0xf0) == 0x00) \ - ROM[offset+(SR_WRAM0(bank_num))] = data; \ - else if((m_sr_bank_w[_v_] & 0xf0) == 0x20) \ - ROM[offset+(SR_EXRAM0(bank_num))] = data; \ -} - -void pc6001sr_state::sr_work_ram0_w(offs_t offset, uint8_t data) -{ - // TODO: not entirely correct - if(m_sr_text_mode == false && m_sr_bank_w[0] == 0) - { - uint32_t real_offs = (m_bitmap_xoffs*16+m_bitmap_yoffs)*256; - real_offs += offset; - - m_gvram[real_offs] = data; - return; - } - - SR_WRAM_BANK_W(0); -} -void pc6001sr_state::sr_work_ram1_w(offs_t offset, uint8_t data){ SR_WRAM_BANK_W(1); } -void pc6001sr_state::sr_work_ram2_w(offs_t offset, uint8_t data){ SR_WRAM_BANK_W(2); } -void pc6001sr_state::sr_work_ram3_w(offs_t offset, uint8_t data){ SR_WRAM_BANK_W(3); } -void pc6001sr_state::sr_work_ram4_w(offs_t offset, uint8_t data){ SR_WRAM_BANK_W(4); } -void pc6001sr_state::sr_work_ram5_w(offs_t offset, uint8_t data){ SR_WRAM_BANK_W(5); } -void pc6001sr_state::sr_work_ram6_w(offs_t offset, uint8_t data){ SR_WRAM_BANK_W(6); } -void pc6001sr_state::sr_work_ram7_w(offs_t offset, uint8_t data){ SR_WRAM_BANK_W(7); } - -void pc6001sr_state::sr_mode_w(uint8_t data) -{ - // if 1 text mode else bitmap mode - m_sr_text_mode = bool(BIT(data,3)); - m_sr_text_rows = data & 4 ? 20 : 25; - // bit 1: bus request - - if(data & 1) - assert("PC-6001SR in Mk-2 compatibility mode not yet supported!\n"); -} - -void pc6001sr_state::sr_vram_bank_w(uint8_t data) -{ - set_videoram_bank(0x70000 + ((data & 0x0f)*0x1000)); -} - -void pc6001sr_state::sr_system_latch_w(uint8_t data) -{ - cassette_latch_control((data & 8) == 8); - m_sys_latch = data; - - m_timer_irq_mask = data & 1; - //vram_bank_change((m_ex_vram_bank & 0x06) | ((m_sys_latch & 0x06) << 4)); - - //printf("%02x B0\n",data); -} - -void pc6001sr_state::necsr_ppi8255_w(offs_t offset, uint8_t data) -{ - if (offset==3) - { - ppi_control_hack_w(data); - - if(0) - { - //printf("%02x\n",data); - - if ((data & 0x0f) == 0x05 && m_cart_rom) - m_bank1->set_base(m_cart_rom->base() + 0x2000); - if ((data & 0x0f) == 0x04) - m_bank1->set_base(m_region_gfx1->base()); - } - } - - m_ppi->write(offset,data); -} - -uint8_t pc6001sr_state::hw_rev_r() -{ - // bit 1 is active for pc6601sr, causes a direct jump to "video telopper" for pc6001mk2sr - return 0; -} - -void pc6001sr_state::pc6001sr_map(address_map &map) -{ - map.unmap_value_high(); - map(0x0000, 0x1fff).bankr("bank1").w(FUNC(pc6001sr_state::sr_work_ram0_w)); - map(0x2000, 0x3fff).bankr("bank2").w(FUNC(pc6001sr_state::sr_work_ram1_w)); - map(0x4000, 0x5fff).bankr("bank3").w(FUNC(pc6001sr_state::sr_work_ram2_w)); - map(0x6000, 0x7fff).bankr("bank4").w(FUNC(pc6001sr_state::sr_work_ram3_w)); - map(0x8000, 0x9fff).bankr("bank5").w(FUNC(pc6001sr_state::sr_work_ram4_w)); - map(0xa000, 0xbfff).bankr("bank6").w(FUNC(pc6001sr_state::sr_work_ram5_w)); - map(0xc000, 0xdfff).bankr("bank7").w(FUNC(pc6001sr_state::sr_work_ram6_w)); - map(0xe000, 0xffff).bankr("bank8").w(FUNC(pc6001sr_state::sr_work_ram7_w)); -} - -void pc6001sr_state::pc6001sr_io(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); -// 0x40-0x43 palette indexes - map(0x60, 0x67).rw(FUNC(pc6001sr_state::sr_bank_rn_r), FUNC(pc6001sr_state::sr_bank_rn_w)); - map(0x68, 0x6f).rw(FUNC(pc6001sr_state::sr_bank_wn_r), FUNC(pc6001sr_state::sr_bank_wn_w)); - map(0x80, 0x81).rw("uart", FUNC(i8251_device::read), FUNC(i8251_device::write)); - - map(0x90, 0x93).mirror(0x0c).rw(FUNC(pc6001sr_state::nec_ppi8255_r), FUNC(pc6001sr_state::necsr_ppi8255_w)); - - map(0xa0, 0xa0).mirror(0x0c).w("ay8910", FUNC(ay8910_device::address_w)); - map(0xa1, 0xa1).mirror(0x0c).w("ay8910", FUNC(ay8910_device::data_w)); - map(0xa2, 0xa2).mirror(0x0c).r("ay8910", FUNC(ay8910_device::data_r)); - map(0xa3, 0xa3).mirror(0x0c).noprw(); - - map(0xb0, 0xb0).w(FUNC(pc6001sr_state::sr_system_latch_w)); - /* these are disk related */ -// map(0xb1 - map(0xb2, 0xb2).r(FUNC(pc6001sr_state::hw_rev_r)); -// map(0xb3 - - map(0xb8, 0xbf).ram().share("irq_vectors"); -// map(0xc0, 0xc0).w(FUNC(pc6001sr_state::mk2_col_bank_w)); -// map(0xc1, 0xc1).w(FUNC(pc6001sr_state::mk2_vram_bank_w)); -// map(0xc2, 0xc2).w(FUNC(pc6001sr_state::opt_bank_w)); - - map(0xc8, 0xc8).w(FUNC(pc6001sr_state::sr_mode_w)); - map(0xc9, 0xc9).w(FUNC(pc6001sr_state::sr_vram_bank_w)); - map(0xce, 0xce).w(FUNC(pc6001sr_state::sr_bitmap_yoffs_w)); - map(0xcf, 0xcf).w(FUNC(pc6001sr_state::sr_bitmap_xoffs_w)); - - map(0xd0, 0xdf).rw(FUNC(pc6001sr_state::fdc_r), FUNC(pc6001sr_state::fdc_w)); // disk device - - map(0xe0, 0xe3).mirror(0x0c).rw("upd7752", FUNC(upd7752_device::read), FUNC(upd7752_device::write)); - -// map(0xf0, 0xf0).rw(FUNC(pc6001sr_state::mk2_bank_r0_r), FUNC(pc6001sr_state::mk2_bank_r0_w)); -// map(0xf1, 0xf1).rw(FUNC(pc6001sr_state::mk2_bank_r1_r), FUNC(pc6001sr_state::mk2_bank_r1_w)); -// map(0xf2, 0xf2).rw(FUNC(pc6001sr_state::mk2_bank_w0_r), FUNC(pc6001sr_state::mk2_bank_w0_w)); - map(0xf3, 0xf3).w(FUNC(pc6001sr_state::mk2_0xf3_w)); -// map(0xf4 -// map(0xf5 - map(0xf6, 0xf6).w(FUNC(pc6001sr_state::mk2_timer_adj_w)); - map(0xf7, 0xf7).w(FUNC(pc6001sr_state::mk2_timer_irqv_w)); -} - -/* Input ports */ -static INPUT_PORTS_START( pc6001 ) - // TODO: is this really a DSW? bit arrangement is also unknown if so. - PORT_START("MODE4_DSW") - PORT_DIPNAME( 0x07, 0x00, "Mode 4 GFX colors" ) - PORT_DIPSETTING( 0x00, "Monochrome" ) - PORT_DIPSETTING( 0x01, "Red/Blue" ) - PORT_DIPSETTING( 0x02, "Blue/Red" ) - PORT_DIPSETTING( 0x03, "Pink/Green" ) - PORT_DIPSETTING( 0x04, "Green/Pink" ) - //5-6-7 is presumably invalid - - /* TODO: these two are unchecked */ - PORT_START("P1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) - - PORT_START("P2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) - - PORT_START("key1") //0x00-0x1f - PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_UNUSED) //0x00 null - PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_UNUSED) //0x01 soh - PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_UNUSED) //0x02 stx - PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_UNUSED) //0x03 etx - PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_UNUSED) //0x04 etx - PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_UNUSED) //0x05 eot - PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_UNUSED) //0x06 enq - PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_UNUSED) //0x07 ack - PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) - PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) - PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0a - PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0b lf - PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0c vt - PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(27) - PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0e cr - PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0f so - - PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x10 si - PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x11 dle - PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x12 dc1 - PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x13 dc2 - PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x14 dc3 - PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x15 dc4 - PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x16 nak - PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x17 syn - PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x18 etb - PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x19 cancel - PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x1a em - PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x1b sub - PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("RIGHT") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) - PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("LEFT") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) - PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("UP") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) - PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("DOWN") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) - - PORT_START("key2") //0x20-0x3f - PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') - PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_UNUSED) //0x21 ! - PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_UNUSED) //0x22 " - PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_UNUSED) //0x23 # - PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_UNUSED) //0x24 $ - PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_UNUSED) //0x25 % - PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_UNUSED) //0x26 & - PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_UNUSED) //0x27 ' - PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_UNUSED) //0x28 ( - PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_UNUSED) //0x29 ) - PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("*") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR('*') - PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("+") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR('+') - PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') //0x2c - PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') - PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') //0x2e - PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') //0x2f - - PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') - PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') - PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') - PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') - PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') - PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') - PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') - PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') - PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') - PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') - PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3a : - PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3b ; - PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3c < - PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3d = - PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3e > - PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3f ? - - PORT_START("key3") //0x40-0x5f - PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@') - PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') - PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') - PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') - PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') - PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') - PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') - PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G') - PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H') - PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I') - PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J') - PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K') - PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L') - PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M') - PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N') - PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O') - PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P') - PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') - PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R') - PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S') - PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T') - PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U') - PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V') - PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W') - PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X') - PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') - PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') - PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[') - PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_UNUSED) - PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']') - PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') - PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("_") - - PORT_START("key_modifiers") - PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) - PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) - PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("KANA") PORT_CODE(KEYCODE_RCONTROL) PORT_TOGGLE - PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CAPS") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE - PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("GRPH") PORT_CODE(KEYCODE_LALT) - PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("STOP") PORT_CODE(KEYCODE_ESC) -INPUT_PORTS_END - -TIMER_CALLBACK_MEMBER(pc6001_state::audio_callback) -{ - if(m_cas_switch == 0 && ((m_timer_irq_mask == 0) || (m_timer_irq_mask2 == 0))) - { - if(IRQ_LOG) printf("Timer IRQ called %02x\n",m_timer_irq_vector); - set_maincpu_irq_line(m_timer_irq_vector); - } -} - -INTERRUPT_GEN_MEMBER(pc6001_state::vrtc_irq) -{ - m_cur_keycode = check_joy_press(); - if(IRQ_LOG) printf("Joystick IRQ called 0x16\n"); - set_maincpu_irq_line(0x16); -} - -INTERRUPT_GEN_MEMBER(pc6001sr_state::sr_vrtc_irq) -{ - m_kludge ^= 1; - - // TODO: it is unclear who is responsible of the "Joystick IRQ" vs VRTC - if(m_kludge) - { - m_cur_keycode = check_joy_press(); - if(IRQ_LOG) printf("Joystick IRQ called 0x16\n"); - set_maincpu_irq_line(0x16); - } - else - { - set_maincpu_irq_line(m_sr_irq_vectors[VRTC_IRQ]); - } -} - -IRQ_CALLBACK_MEMBER(pc6001_state::irq_callback) -{ - device.execute().set_input_line(0, CLEAR_LINE); - return m_irq_vector; -} - -uint8_t pc6001_state::ppi_porta_r() -{ - return 0; -} - -void pc6001_state::ppi_porta_w(uint8_t data) -{ -// if(data != 0x06) -// printf("ppi_porta_w %02x\n",data); -} - -uint8_t pc6001_state::ppi_portb_r() -{ - return 0; -} - -void pc6001_state::ppi_portb_w(uint8_t data) -{ - //printf("ppi_portb_w %02x\n",data); -} - -void pc6001_state::ppi_portc_w(uint8_t data) -{ - //printf("ppi_portc_w %02x\n",data); -} - -uint8_t pc6001_state::ppi_portc_r() -{ - return 0x88; -} - -uint8_t pc6001_state::check_keyboard_press() -{ - int i,port_i,scancode; - uint8_t shift_pressed,caps_lock; - scancode = 0; - - shift_pressed = (m_io_key_modifiers->read() & 2)>>1; - caps_lock = (m_io_key_modifiers->read() & 8)>>3; - - for(port_i=0;port_i<3;port_i++) - { - for(i=0;i<32;i++) - { - if((m_io_keys[port_i]->read()>>i) & 1) - { - if((shift_pressed != caps_lock) && scancode >= 0x41 && scancode <= 0x5f) - scancode+=0x20; - - if(shift_pressed && scancode >= 0x31 && scancode <= 0x39) - scancode-=0x10; - - if(shift_pressed && scancode == 0x30) // '0' / '=' - scancode = 0x3d; - - if(shift_pressed && scancode == 0x2c) // ',' / ';' - scancode = 0x3b; - - if(shift_pressed && scancode == 0x2f) // '/' / '?' - scancode = 0x3f; - - if(shift_pressed && scancode == 0x2e) // '.' / ':' - scancode = 0x3a; - - return scancode; - } - scancode++; - } - } - - return 0; -} - -uint8_t pc6001_state::check_joy_press() -{ - uint8_t p1_key = m_io_p1->read() ^ 0xff; - uint8_t shift_key = m_io_key_modifiers->read() & 0x02; - uint8_t space_key = m_io_keys[1]->read() & 0x01; - uint8_t joy_press; - - /* - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) - */ - - joy_press = 0; - - switch(p1_key & 0xf) - { - case 0x01: joy_press = 0x04; break; //up - case 0x02: joy_press = 0x08; break; //down - case 0x04: joy_press = 0x20; break; - case 0x05: joy_press = 0x24; break; //up-left - case 0x06: joy_press = 0x28; break; //down-left - case 0x08: joy_press = 0x10; break; //right - case 0x09: joy_press = 0x14; break; //up-right - case 0x0a: joy_press = 0x18; break; //down-right - } - - if(p1_key & 0x10 || space_key) { joy_press |= 0x80; } //button 1 (space) - if(p1_key & 0x20 || shift_key) { joy_press |= 0x01; } //button 2 (shift) - - return joy_press; -} - -TIMER_DEVICE_CALLBACK_MEMBER(pc6001_state::cassette_callback) -{ - if(m_cas_switch == 1) - { - #if 0 - static uint8_t cas_data_i = 0x80,cas_data_poll; - //m_cur_keycode = gfx_data[m_cas_offset++]; - if(m_cassette->input() > 0.03) - cas_data_poll|= cas_data_i; - else - cas_data_poll&=~cas_data_i; - if(cas_data_i == 1) - { - m_cur_keycode = cas_data_poll; - cas_data_i = 0x80; - /* data ready, poll irq */ - set_maincpu_irq_line(0x08); - } - else - cas_data_i>>=1; - #else - m_cur_keycode = m_cas_hack->read_rom(m_cas_offset++); - popmessage("%04x %04x", m_cas_offset, m_cas_maxsize); - if(m_cas_offset > m_cas_maxsize) - { - m_cas_offset = 0; - m_cas_switch = 0; - if(IRQ_LOG) printf("Tape-E IRQ 0x12\n"); - set_maincpu_irq_line(0x12); - } - else - { - if(IRQ_LOG) printf("Tape-D IRQ 0x08\n"); - set_maincpu_irq_line(0x08); - } - #endif - } -} - -TIMER_DEVICE_CALLBACK_MEMBER(pc6001_state::keyboard_callback) -{ - uint32_t key1 = m_io_keys[0]->read(); - uint32_t key2 = m_io_keys[1]->read(); - uint32_t key3 = m_io_keys[2]->read(); -// uint8_t p1_key = m_io_p1->read(); - - if(m_cas_switch == 0) - { - if((key1 != m_old_key1) || (key2 != m_old_key2) || (key3 != m_old_key3)) - { - m_cur_keycode = check_keyboard_press(); - if(IRQ_LOG) printf("KEY IRQ 0x02\n"); - set_maincpu_irq_line(0x02); - m_old_key1 = key1; - m_old_key2 = key2; - m_old_key3 = key3; - } - #if 0 - else /* joypad polling */ - { - m_cur_keycode = check_joy_press(); - if(m_cur_keycode) - set_maincpu_irq_line(0x16); - } - #endif - } -} - -void pc6001_state::machine_start() -{ - m_timer_irq_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pc6001_state::audio_callback),this)); -} - -inline void pc6001_state::set_videoram_bank(uint32_t offs) -{ - m_video_ram = m_region_maincpu->base() + offs; -} - -void pc6001_state::machine_reset() -{ - set_videoram_bank(0xc000); - - if (m_cart->exists()) - m_maincpu->space(AS_PROGRAM).install_read_handler(0x4000, 0x5fff, read8sm_delegate(*m_cart, FUNC(generic_slot_device::read_rom))); - - std::string region_tag; - m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str()); - - m_port_c_8255=0; - - m_cas_switch = 0; - m_cas_offset = 0; - m_cas_maxsize = (m_cas_hack->exists()) ? m_cas_hack->get_rom_size() : 0; - m_timer_irq_mask = 1; - m_timer_irq_mask2 = 1; - // timer irq vector is fixed in plain PC-6001 - m_timer_irq_vector = 0x06; - set_timer_divider(3); -} - -void pc6001mk2_state::machine_reset() -{ - pc6001_state::machine_reset(); - set_videoram_bank(0xc000 + 0x28000); - - std::string region_tag; - m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str()); - // TODO: hackish way to simplify bankswitch handling - if (m_cart_rom) - memcpy(m_region_maincpu->base() + 0x48000, m_cart_rom->base(), 0x4000); - - /* set default bankswitch */ - { - uint8_t *ROM = m_region_maincpu->base(); - m_bank_r0 = 0x71; - m_bank1->set_base(&ROM[BASICROM(0)]); - m_bank2->set_base(&ROM[BASICROM(1)]); - m_bank3->set_base(&ROM[EXROM(0)]); - m_bank4->set_base(&ROM[EXROM(1)]); - m_bank_r1 = 0xdd; - m_bank5->set_base(&ROM[WRAM(4)]); - m_bank6->set_base(&ROM[WRAM(5)]); - m_bank7->set_base(&ROM[WRAM(6)]); - m_bank8->set_base(&ROM[WRAM(7)]); - m_bank_opt = 0x02; //tv rom - m_bank_w = 0x50; //enable write to work ram 4,5,6,7 - m_gfx_bank_on = 0; - } - -// refresh_crtc_params(); -} - -void pc6001sr_state::machine_reset() -{ - pc6001_state::machine_reset(); - set_videoram_bank(0x70000); - - // default to bitmap mode - m_sr_text_mode = false; - m_sr_text_rows = 20; - - std::string region_tag; - m_cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str()); - // should this be mirrored into the EXROM regions? hard to tell without an actual cart dump... - - /* set default bankswitch */ - { - uint8_t *ROM = m_region_maincpu->base(); - m_sr_bank_r[0] = 0xf8; m_bank1->set_base(&ROM[SR_SYSROM_1(0x08)]); - m_sr_bank_r[1] = 0xfa; m_bank2->set_base(&ROM[SR_SYSROM_1(0x0a)]); - m_sr_bank_r[2] = 0xc0; m_bank3->set_base(&ROM[SR_EXROM1(0x00)]); - m_sr_bank_r[3] = 0xb0; m_bank4->set_base(&ROM[SR_EXROM0(0x00)]); - m_sr_bank_r[4] = 0x08; m_bank5->set_base(&ROM[SR_WRAM0(0x08)]); - m_sr_bank_r[5] = 0x0a; m_bank6->set_base(&ROM[SR_WRAM0(0x0a)]); - m_sr_bank_r[6] = 0x0c; m_bank7->set_base(&ROM[SR_WRAM0(0x0c)]); - m_sr_bank_r[7] = 0x0e; m_bank8->set_base(&ROM[SR_WRAM0(0x0e)]); -// m_bank_opt = 0x02; //tv rom - - /* enable default work RAM writes */ - m_sr_bank_w[0] = 0x00; - m_sr_bank_w[1] = 0x02; - m_sr_bank_w[2] = 0x04; - m_sr_bank_w[3] = 0x06; - m_sr_bank_w[4] = 0x08; - m_sr_bank_w[5] = 0x0a; - m_sr_bank_w[6] = 0x0c; - m_sr_bank_w[7] = 0x0e; - -// m_gfx_bank_on = 0; - } -} - - -static const gfx_layout char_layout = -{ - 8, 16, - RGN_FRAC(1,1), - 1, - { 0 }, - { 0, 1, 2, 3, 4, 5, 6, 7 }, - { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 }, - 8*16 -}; - - -static const gfx_layout kanji_layout = -{ - 16, 16, - RGN_FRAC(1,2), - 1, - { 0 }, - { 0, 1, 2, 3, 4, 5, 6, 7, - 0+RGN_FRAC(1,2), 1+RGN_FRAC(1,2), 2+RGN_FRAC(1,2), 3+RGN_FRAC(1,2), 4+RGN_FRAC(1,2), 5+RGN_FRAC(1,2), 6+RGN_FRAC(1,2), 7+RGN_FRAC(1,2) }, - { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 }, - 8*16 -}; - -static GFXDECODE_START( gfx_pc6001m2 ) - GFXDECODE_ENTRY( "gfx1", 0x0000, char_layout, 2, 1 ) - GFXDECODE_ENTRY( "gfx2", 0x0000, kanji_layout, 2, 1 ) -GFXDECODE_END - -#define PC6001_MAIN_CLOCK 7987200 - -void pc6001_state::pc6001(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, PC6001_MAIN_CLOCK / 2); // PD 780C-1, ~4 Mhz - m_maincpu->set_addrmap(AS_PROGRAM, &pc6001_state::pc6001_map); - m_maincpu->set_addrmap(AS_IO, &pc6001_state::pc6001_io); - m_maincpu->set_vblank_int("screen", FUNC(pc6001_state::vrtc_irq)); - m_maincpu->set_irq_acknowledge_callback(FUNC(pc6001_state::irq_callback)); - -// I8049(config, "subcpu", 7987200); - - GFXDECODE(config, "gfxdecode", m_palette, gfx_pc6001m2); - - /* video hardware */ - SCREEN(config, m_screen, SCREEN_TYPE_RASTER); - m_screen->set_refresh_hz(60); - m_screen->set_screen_update(FUNC(pc6001_state::screen_update_pc6001)); - m_screen->set_size(320, 25+192+26); - m_screen->set_visarea(0, 319, 0, 239); - m_screen->set_palette(m_palette); - - PALETTE(config, m_palette, FUNC(pc6001_state::pc6001_palette), 16+4); - - I8255(config, m_ppi); - m_ppi->in_pa_callback().set(FUNC(pc6001_state::ppi_porta_r)); - m_ppi->out_pa_callback().set(FUNC(pc6001_state::ppi_porta_w)); - m_ppi->in_pb_callback().set(FUNC(pc6001_state::ppi_portb_r)); - m_ppi->out_pb_callback().set(FUNC(pc6001_state::ppi_portb_w)); - m_ppi->in_pc_callback().set(FUNC(pc6001_state::ppi_portc_r)); - m_ppi->out_pc_callback().set(FUNC(pc6001_state::ppi_portc_w)); - - /* uart */ - I8251(config, "uart", 0); - - GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "pc6001_cart"); - -// CASSETTE(config, m_cassette); -// m_cassette->set_formats(pc6001_cassette_formats); -// m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED); -// m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05); - GENERIC_CARTSLOT(config, m_cas_hack, generic_plain_slot, "pc6001_cass", "cas,p6"); - - SPEAKER(config, "mono").front_center(); - ay8910_device &ay8910(AY8910(config, "ay8910", PC6001_MAIN_CLOCK/4)); - ay8910.port_a_read_callback().set_ioport("P1"); - ay8910.port_b_read_callback().set_ioport("P2"); - ay8910.add_route(ALL_OUTPUTS, "mono", 1.00); - - /* TODO: accurate timing on this */ - TIMER(config, "keyboard_timer").configure_periodic(FUNC(pc6001_state::keyboard_callback), attotime::from_hz(250)); - TIMER(config, "cassette_timer").configure_periodic(FUNC(pc6001_state::cassette_callback), attotime::from_hz(1200/12)); -} - - - -void pc6001mk2_state::pc6001mk2(machine_config &config) -{ - pc6001(config); - /* basic machine hardware */ - m_maincpu->set_addrmap(AS_PROGRAM, &pc6001mk2_state::pc6001mk2_map); - m_maincpu->set_addrmap(AS_IO, &pc6001mk2_state::pc6001mk2_io); - -// MCFG_MACHINE_RESET_OVERRIDE(pc6001mk2_state,pc6001mk2) - - m_screen->set_screen_update(FUNC(pc6001mk2_state::screen_update_pc6001mk2)); - - m_palette->set_entries(16+16); - m_palette->set_init(FUNC(pc6001mk2_state::pc6001mk2_palette)); - - subdevice<gfxdecode_device>("gfxdecode")->set_info(gfx_pc6001m2); - - UPD7752(config, "upd7752", PC6001_MAIN_CLOCK/4).add_route(ALL_OUTPUTS, "mono", 1.00); -} - -void pc6601_state::pc6601(machine_config &config) -{ - pc6001mk2(config); - - /* basic machine hardware */ - Z80(config.replace(), m_maincpu, PC6001_MAIN_CLOCK / 2); - m_maincpu->set_addrmap(AS_PROGRAM, &pc6601_state::pc6001mk2_map); - m_maincpu->set_addrmap(AS_IO, &pc6601_state::pc6601_io); - m_maincpu->set_vblank_int("screen", FUNC(pc6001_state::vrtc_irq)); - m_maincpu->set_irq_acknowledge_callback(FUNC(pc6001_state::irq_callback)); -} - -void pc6001sr_state::pc6001sr(machine_config &config) -{ - pc6001mk2(config); - - /* basic machine hardware */ - //*Yes*, PC-6001 SR Z80 CPU is actually slower than older models (better waitstates tho?) - Z80(config.replace(), m_maincpu, XTAL(3'579'545)); - m_maincpu->set_addrmap(AS_PROGRAM, &pc6001sr_state::pc6001sr_map); - m_maincpu->set_addrmap(AS_IO, &pc6001sr_state::pc6001sr_io); - m_maincpu->set_vblank_int("screen", FUNC(pc6001sr_state::sr_vrtc_irq)); - m_maincpu->set_irq_acknowledge_callback(FUNC(pc6001_state::irq_callback)); - -// MCFG_MACHINE_RESET_OVERRIDE(pc6001sr_state,pc6001sr) - - m_screen->set_screen_update(FUNC(pc6001sr_state::screen_update_pc6001sr)); -} - -/* ROM definition */ -ROM_START( pc6001 ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "basicrom.60", 0x0000, 0x4000, CRC(54c03109) SHA1(c622fefda3cdc2b87a270138f24c05828b5c41d2) ) - - ROM_REGION( 0x1000, "mcu", ROMREGION_ERASEFF ) - ROM_LOAD( "i8049", 0x0000, 0x1000, NO_DUMP ) - - ROM_REGION( 0x2000, "gfx1", 0 ) - ROM_LOAD( "cgrom60.60", 0x0000, 0x1000, CRC(b0142d32) SHA1(9570495b10af5b1785802681be94b0ea216a1e26) ) - ROM_RELOAD( 0x1000, 0x1000 ) - - ROM_REGION( 0x8000, "gfx2", ROMREGION_ERASEFF ) -ROM_END - -ROM_START( pc6001a ) - ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "basicrom.60a", 0x0000, 0x4000, CRC(fa8e88d9) SHA1(c82e30050a837e5c8ffec3e0c8e3702447ffd69c) ) - - ROM_REGION( 0x1000, "mcu", ROMREGION_ERASEFF ) - ROM_LOAD( "i8049", 0x0000, 0x1000, NO_DUMP ) - - ROM_REGION( 0x1000, "gfx1", 0 ) - ROM_LOAD( "cgrom60.60a", 0x0000, 0x1000, CRC(49c21d08) SHA1(9454d6e2066abcbd051bad9a29a5ca27b12ec897) ) - - ROM_REGION( 0x8000, "gfx2", ROMREGION_ERASEFF ) -ROM_END - -ROM_START( pc6001mk2 ) - ROM_REGION( 0x50000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "basicrom.62", 0x10000, 0x8000, CRC(950ac401) SHA1(fbf195ba74a3b0f80b5a756befc96c61c2094182) ) - ROM_LOAD( "voicerom.62", 0x18000, 0x4000, CRC(49b4f917) SHA1(1a2d18f52ef19dc93da3d65f19d3abbd585628af) ) - ROM_LOAD( "cgrom60.62", 0x1c000, 0x2000, CRC(81eb5d95) SHA1(53d8ae9599306ff23bf95208d2f6cc8fed3fc39f) ) - ROM_LOAD( "cgrom60m.62", 0x1e000, 0x2000, CRC(3ce48c33) SHA1(f3b6c63e83a17d80dde63c6e4d86adbc26f84f79) ) - ROM_LOAD( "kanjirom.62", 0x20000, 0x8000, CRC(20c8f3eb) SHA1(4c9f30f0a2ebbe70aa8e697f94eac74d8241cadd) ) - // work ram 0x28000,0x10000 - // extended work ram 0x38000,0x10000 - // exrom 0x48000, 0x4000 - // <invalid> 0x4c000, 0x4000 - - ROM_REGION( 0x1000, "mcu", ROMREGION_ERASEFF ) - ROM_LOAD( "i8049", 0x0000, 0x1000, NO_DUMP ) - - ROM_REGION( 0x4000, "gfx1", 0 ) - ROM_COPY( "maincpu", 0x1c000, 0x00000, 0x4000 ) - - ROM_REGION( 0x8000, "gfx2", 0 ) - ROM_COPY( "maincpu", 0x20000, 0x00000, 0x8000 ) -ROM_END - -ROM_START( pc6601 ) /* Variant of pc6001m2 */ - ROM_REGION( 0x50000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "basicrom.66", 0x10000, 0x8000, CRC(c0b01772) SHA1(9240bb6b97fe06f5f07b5d65541c4d2f8758cc2a) ) - ROM_LOAD( "voicerom.66", 0x18000, 0x4000, CRC(91d078c1) SHA1(6a93bd7723ef67f461394530a9feee57c8caf7b7) ) - ROM_LOAD( "cgrom60.66", 0x1c000, 0x2000, CRC(d2434f29) SHA1(a56d76f5cbdbcdb8759abe601eab68f01b0a8fe8) ) - ROM_LOAD( "cgrom66.66", 0x1e000, 0x2000, CRC(3ce48c33) SHA1(f3b6c63e83a17d80dde63c6e4d86adbc26f84f79) ) - ROM_LOAD( "kanjirom.66", 0x20000, 0x8000, CRC(20c8f3eb) SHA1(4c9f30f0a2ebbe70aa8e697f94eac74d8241cadd) ) - // exrom 0x48000, 0x4000 - - ROM_REGION( 0x1000, "mcu", ROMREGION_ERASEFF ) - ROM_LOAD( "i8049", 0x0000, 0x1000, NO_DUMP ) - - ROM_REGION( 0x4000, "gfx1", 0 ) - ROM_COPY( "maincpu", 0x1c000, 0x00000, 0x4000 ) - - ROM_REGION( 0x8000, "gfx2", 0 ) - ROM_COPY( "maincpu", 0x20000, 0x00000, 0x8000 ) -ROM_END - -ROM_START( pc6001sr ) - ROM_REGION( 0x90000, "maincpu", ROMREGION_ERASEFF ) - ROM_LOAD( "systemrom1.64", 0x10000, 0x10000, CRC(b6fc2db2) SHA1(dd48b1eee60aa34780f153359f5da7f590f8dff4) ) - ROM_LOAD( "systemrom2.64", 0x20000, 0x10000, CRC(55a62a1d) SHA1(3a19855d290fd4ac04e6066fe4a80ecd81dc8dd7) ) -// cgrom 1 0x30000, 0x10000 -// exrom 0 0x40000, 0x10000 -// exrom 1 0x50000, 0x10000 -// exram 0 0x60000, 0x10000 -// work ram 0 0x70000, 0x10000 -// <invalid> 0x80000, 0x10000 - - ROM_REGION( 0x1000, "mcu", ROMREGION_ERASEFF ) - ROM_LOAD( "i8049", 0x0000, 0x1000, NO_DUMP ) - - ROM_REGION( 0x4000, "gfx1", 0 ) - ROM_LOAD( "cgrom68.64", 0x0000, 0x4000, CRC(73bc3256) SHA1(5f80d62a95331dc39b2fb448a380fd10083947eb) ) - - ROM_REGION( 0x8000, "gfx2", 0 ) - ROM_COPY( "maincpu", 0x28000, 0x00000, 0x8000 ) -ROM_END - -// YEAR NAME PARENT COMPAT MACHINE INPUT STATE INIT COMPANY FULLNAME FLAGS -COMP( 1981, pc6001, 0, 0, pc6001, pc6001, pc6001_state, empty_init, "NEC", "PC-6001 (Japan)", MACHINE_NOT_WORKING ) -COMP( 1981, pc6001a, pc6001, 0, pc6001, pc6001, pc6001_state, empty_init, "NEC", "PC-6001A (US)", MACHINE_NOT_WORKING ) // This version is also known as the NEC Trek -COMP( 1983, pc6001mk2, pc6001, 0, pc6001mk2, pc6001, pc6001mk2_state, empty_init, "NEC", "PC-6001mkII (Japan)", MACHINE_NOT_WORKING ) -COMP( 1983, pc6601, pc6001, 0, pc6601, pc6001, pc6601_state, empty_init, "NEC", "PC-6601 (Japan)", MACHINE_NOT_WORKING ) -COMP( 1984, pc6001sr, pc6001, 0, pc6001sr, pc6001, pc6001sr_state, empty_init, "NEC", "PC-6001mkIISR (Japan)", MACHINE_NOT_WORKING ) |