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https://github.com/holub/mame
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Dumped the 68705 MCU for "Quiz Punch", protected by an epoxy block [Guru]
quizpun2.cpp: hooked up MCU, improved graphics and sound [Luca Elia]
This commit is contained in:
Luca Elia
parent
e565b0c6aa
commit
e7d38c9594
@ -2,9 +2,9 @@
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// copyright-holders:Luca Elia
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/***************************************************************************
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Quiz Punch 2 (C)1989 Space Computer
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Quiz Punch II (C)1989 Space Computer
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Preliminary driver by Luca Elia
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Driver by Luca Elia
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- It uses an unknown DIP40 device for protection, that supplies
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the address to jump to (same as mosaic.cpp) and handles the EEPROM
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@ -38,8 +38,8 @@ Notes:
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Possibly Z80's @ 4MHz and YM2203 @ 2MHz
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PCB marked 'Ducksan Trading Co. Ltd. Made In Korea'
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***************************************************************************/
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/***************************************************************************
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Quiz Punch (C)1988 Space Computer
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Ducksan 1989
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@ -70,17 +70,27 @@ Ducksan 1989
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Notes:
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Z80A - clock 4.000MHz (8/2)
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YM2203 - clock 4.000MHz (8/2)
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Epoxy Module likely contains a Z80A (an input clock of 4.000MHz is present) and possibly a ROM
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VSync - 59.3148Hz
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HSync - 15.2526kHz
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Epoxy Module contains:
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Z80B (input clock 4.000MHz)
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68705P5 MCU
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HY 93C46 EEPROM (upside down)
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4 logic chips
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***************************************************************************/
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#include "emu.h"
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#include "cpu/z80/z80.h"
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#include "cpu/m6805/m6805.h"
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#include "machine/gen_latch.h"
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#include "machine/eepromser.h"
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#include "sound/2203intf.h"
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// very preliminary quizpun2 protection simulation
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#define VERBOSE_PROTECTION_LOG 0
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enum prot_state { STATE_IDLE = 0, STATE_ADDR_R, STATE_ROM_R, STATE_EEPROM_R, STATE_EEPROM_W };
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struct prot_t {
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@ -96,42 +106,68 @@ class quizpun2_state : public driver_device
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public:
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quizpun2_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_fg_ram(*this, "fg_ram"),
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m_bg_ram(*this, "bg_ram"),
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m_maincpu(*this, "maincpu"),
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m_audiocpu(*this, "audiocpu"),
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m_gfxdecode(*this, "gfxdecode"),
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m_palette(*this, "palette"),
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m_soundlatch(*this, "soundlatch") { }
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m_soundlatch(*this, "soundlatch"),
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m_eeprom(*this, "eeprom"),
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m_fg_ram(*this, "fg_ram"),
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m_bg_ram(*this, "bg_ram")
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{ }
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struct prot_t m_prot;
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required_shared_ptr<uint8_t> m_fg_ram;
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required_shared_ptr<uint8_t> m_bg_ram;
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tilemap_t *m_bg_tmap;
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tilemap_t *m_fg_tmap;
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DECLARE_WRITE8_MEMBER(bg_ram_w);
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DECLARE_WRITE8_MEMBER(fg_ram_w);
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DECLARE_READ8_MEMBER(quizpun2_protection_r);
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DECLARE_WRITE8_MEMBER(quizpun2_protection_w);
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DECLARE_WRITE8_MEMBER(quizpun2_rombank_w);
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DECLARE_WRITE8_MEMBER(quizpun2_irq_ack);
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DECLARE_WRITE8_MEMBER(quizpun2_soundlatch_w);
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TILE_GET_INFO_MEMBER(get_bg_tile_info);
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TILE_GET_INFO_MEMBER(get_fg_tile_info);
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void log_protection(address_space &space, const char *warning);
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virtual void machine_reset() override;
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virtual void video_start() override;
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uint32_t screen_update_quizpun2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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required_device<cpu_device> m_maincpu;
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required_device<cpu_device> m_audiocpu;
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required_device<gfxdecode_device> m_gfxdecode;
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required_device<palette_device> m_palette;
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required_device<generic_latch_8_device> m_soundlatch;
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required_device<eeprom_serial_93cxx_device> m_eeprom;
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required_shared_ptr<uint8_t> m_fg_ram;
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required_shared_ptr<uint8_t> m_bg_ram;
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tilemap_t *m_bg_tmap;
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tilemap_t *m_fg_tmap;
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uint8_t m_scroll;
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TILE_GET_INFO_MEMBER(get_bg_tile_info);
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TILE_GET_INFO_MEMBER(get_fg_tile_info);
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DECLARE_WRITE8_MEMBER(bg_ram_w);
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DECLARE_WRITE8_MEMBER(fg_ram_w);
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DECLARE_WRITE8_MEMBER(scroll_w);
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DECLARE_WRITE8_MEMBER(rombank_w);
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DECLARE_WRITE8_MEMBER(irq_ack);
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DECLARE_WRITE8_MEMBER(soundlatch_w);
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virtual void machine_reset() override;
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virtual void machine_start() override;
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virtual void video_start() override;
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uint32_t screen_update_quizpun2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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// quizpun2
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void log_protection( address_space &space, const char *warning );
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struct prot_t m_prot;
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DECLARE_READ8_MEMBER(quizpun2_protection_r);
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DECLARE_WRITE8_MEMBER(quizpun2_protection_w);
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// quizpun
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uint8_t m_port_a, m_port_b, m_port_c;
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bool m_quizpun_pending;
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bool m_quizpun_written;
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bool m_quizpun_repeat;
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DECLARE_READ8_MEMBER(quizpun_68705_port_a_r);
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DECLARE_WRITE8_MEMBER(quizpun_68705_port_a_w);
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DECLARE_READ8_MEMBER(quizpun_68705_port_b_r);
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DECLARE_WRITE8_MEMBER(quizpun_68705_port_b_w);
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DECLARE_READ8_MEMBER(quizpun_68705_port_c_r);
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DECLARE_WRITE8_MEMBER(quizpun_68705_port_c_w);
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DECLARE_READ8_MEMBER(quizpun_protection_r);
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DECLARE_WRITE8_MEMBER(quizpun_protection_w);
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};
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#define VERBOSE_PROTECTION_LOG 0
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/***************************************************************************
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Video Hardware
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***************************************************************************/
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@ -139,14 +175,14 @@ public:
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TILE_GET_INFO_MEMBER(quizpun2_state::get_bg_tile_info)
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{
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uint16_t code = m_bg_ram[ tile_index * 2 ] + m_bg_ram[ tile_index * 2 + 1 ] * 256;
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SET_TILE_INFO_MEMBER(0, code, 0, 0);
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SET_TILE_INFO_MEMBER(0, code, code >> 12, TILE_FLIPXY((code & 0x800) >> 11));
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}
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TILE_GET_INFO_MEMBER(quizpun2_state::get_fg_tile_info)
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{
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uint16_t code = m_fg_ram[ tile_index * 4 ] + m_fg_ram[ tile_index * 4 + 1 ] * 256;
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uint16_t code = m_fg_ram[ tile_index * 4 ]/* + m_fg_ram[ tile_index * 4 + 1 ] * 256*/;
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uint8_t color = m_fg_ram[ tile_index * 4 + 2 ];
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SET_TILE_INFO_MEMBER(1, code, color & 0x0f, 0);
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SET_TILE_INFO_MEMBER(1, code, color / 2, 0);
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}
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WRITE8_MEMBER(quizpun2_state::bg_ram_w)
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@ -161,10 +197,15 @@ WRITE8_MEMBER(quizpun2_state::fg_ram_w)
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m_fg_tmap->mark_tile_dirty(offset/4);
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}
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WRITE8_MEMBER(quizpun2_state::scroll_w)
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{
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m_scroll = data;
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}
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void quizpun2_state::video_start()
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{
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m_bg_tmap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(quizpun2_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS,8,16,0x20,0x20);
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m_fg_tmap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(quizpun2_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS,8,16,0x20,0x20);
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m_bg_tmap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(quizpun2_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS,16,16,0x20,0x40);
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m_fg_tmap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(quizpun2_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS,16,16,0x20,0x40);
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m_bg_tmap->set_transparent_pen(0);
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m_fg_tmap->set_transparent_pen(0);
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@ -184,18 +225,24 @@ uint32_t quizpun2_state::screen_update_quizpun2(screen_device &screen, bitmap_in
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}
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#endif
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int bg_scroll = (m_scroll & 0x3) >> 0;
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int fg_scroll = (m_scroll & 0xc) >> 2;
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m_bg_tmap->set_scrolly(0, bg_scroll * 0x100);
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m_fg_tmap->set_scrolly(0, fg_scroll * 0x100);
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if (layers_ctrl & 1) m_bg_tmap->draw(screen, bitmap, cliprect, TILEMAP_DRAW_OPAQUE, 0);
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else bitmap.fill(m_palette->black_pen(), cliprect);
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bitmap.fill(m_palette->black_pen(), cliprect);
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if (layers_ctrl & 2) m_fg_tmap->draw(screen, bitmap, cliprect, 0, 0);
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// popmessage("BG: %x FG: %x", bg_scroll, fg_scroll);
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return 0;
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}
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/***************************************************************************
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Protection
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Quizpun2 Protection Simulation
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ROM checksum: write 0x80 | (0x00-0x7f), write 0, read 2 bytes
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Read address: write 0x80 | param1 & 0x07f (0x00), write param2 & 0x7f, read 2 bytes
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@ -204,25 +251,36 @@ bitmap.fill(m_palette->black_pen(), cliprect);
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***************************************************************************/
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void quizpun2_state::machine_start()
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{
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uint8_t *ROM = memregion("maincpu")->base();
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membank("bank1")->configure_entries(0, 0x20, &ROM[0x10000], 0x2000);
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}
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void quizpun2_state::machine_reset()
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{
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struct prot_t &prot = m_prot;
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prot.state = STATE_IDLE;
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prot.wait_param = 0;
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prot.param = 0;
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prot.cmd = 0;
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prot.addr = 0;
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membank("bank1")->set_entry(0);
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// quizpun2
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m_prot.state = STATE_IDLE;
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m_prot.wait_param = 0;
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m_prot.param = 0;
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m_prot.cmd = 0;
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m_prot.addr = 0;
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// quizpun
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m_port_a = m_port_b = m_port_c = 0;
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m_quizpun_pending = m_quizpun_written = m_quizpun_repeat = false;
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}
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void quizpun2_state::log_protection( address_space &space, const char *warning )
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{
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struct prot_t &prot = m_prot;
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logerror("%04x: protection - %s (state %x, wait %x, param %02x, cmd %02x, addr %02x)\n", space.device().safe_pc(), warning,
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prot.state,
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prot.wait_param,
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prot.param,
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prot.cmd,
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prot.addr
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m_prot.state,
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m_prot.wait_param,
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m_prot.param,
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m_prot.cmd,
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m_prot.addr
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);
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}
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@ -349,25 +407,23 @@ WRITE8_MEMBER(quizpun2_state::quizpun2_protection_w)
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#endif
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}
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/***************************************************************************
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Memory Maps - Main CPU
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***************************************************************************/
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WRITE8_MEMBER(quizpun2_state::quizpun2_rombank_w)
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WRITE8_MEMBER(quizpun2_state::rombank_w)
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{
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uint8_t *ROM = memregion("maincpu")->base();
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membank("bank1")->set_base(&ROM[ 0x10000 + 0x2000 * (data & 0x1f) ] );
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membank("bank1")->set_entry(data & 0x1f);
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}
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WRITE8_MEMBER(quizpun2_state::quizpun2_irq_ack)
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WRITE8_MEMBER(quizpun2_state::irq_ack)
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{
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m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
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}
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WRITE8_MEMBER(quizpun2_state::quizpun2_soundlatch_w)
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WRITE8_MEMBER(quizpun2_state::soundlatch_w)
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{
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m_soundlatch->write(space, 0, data);
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m_soundlatch->write(space, 0, data ^ 0x80);
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m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
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}
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@ -375,25 +431,166 @@ static ADDRESS_MAP_START( quizpun2_map, AS_PROGRAM, 8, quizpun2_state )
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AM_RANGE( 0x0000, 0x7fff ) AM_ROM
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AM_RANGE( 0x8000, 0x9fff ) AM_ROMBANK("bank1")
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AM_RANGE( 0xa000, 0xbfff ) AM_RAM_WRITE(fg_ram_w ) AM_SHARE("fg_ram") // 4 * 800
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AM_RANGE( 0xc000, 0xc7ff ) AM_RAM_WRITE(bg_ram_w ) AM_SHARE("bg_ram") // 4 * 400
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AM_RANGE( 0xc800, 0xcfff ) AM_RAM //
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AM_RANGE( 0xa000, 0xbfff ) AM_RAM_WRITE(fg_ram_w) AM_SHARE("fg_ram")
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AM_RANGE( 0xc000, 0xcfff ) AM_RAM_WRITE(bg_ram_w) AM_SHARE("bg_ram")
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AM_RANGE( 0xd000, 0xd3ff ) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette")
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AM_RANGE( 0xe000, 0xffff ) AM_RAM
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( quizpun2_io_map, AS_IO, 8, quizpun2_state )
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static ADDRESS_MAP_START( common_io_map, AS_IO, 8, quizpun2_state )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE( 0x40, 0x40 ) AM_WRITE(quizpun2_irq_ack )
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AM_RANGE( 0x50, 0x50 ) AM_WRITE(quizpun2_soundlatch_w )
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AM_RANGE( 0x60, 0x60 ) AM_WRITE(quizpun2_rombank_w )
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AM_RANGE( 0x40, 0x40 ) AM_WRITE(irq_ack)
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AM_RANGE( 0x50, 0x50 ) AM_WRITE(soundlatch_w)
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AM_RANGE( 0x60, 0x60 ) AM_WRITE(rombank_w)
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AM_RANGE( 0x70, 0x70 ) AM_WRITE(scroll_w)
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AM_RANGE( 0x80, 0x80 ) AM_READ_PORT( "DSW" )
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AM_RANGE( 0x90, 0x90 ) AM_READ_PORT( "IN0" )
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AM_RANGE( 0xa0, 0xa0 ) AM_READ_PORT( "IN1" )
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( quizpun2_io_map, AS_IO, 8, quizpun2_state )
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AM_IMPORT_FROM( common_io_map )
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AM_RANGE( 0xe0, 0xe0 ) AM_READWRITE(quizpun2_protection_r, quizpun2_protection_w)
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ADDRESS_MAP_END
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// quizpun
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READ8_MEMBER(quizpun2_state::quizpun_protection_r)
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{
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// logerror("%s: port A read %02x\n", machine().describe_context(), m_port_a);
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/*
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Upon reading this port the main cpu is stalled until the mcu provides the value to read
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and explicitly un-stalls the z80. Is this possible under the current MAME architecture?
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** ghastly hack **
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The first read stalls the main cpu and triggers the mcu, it returns an incorrect value.
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It also decrements the main cpu PC back to the start of the read instruction.
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When the mcu un-stalls the Z80, the read happens again, returning the correct mcu-provided value this time
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*/
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if (m_quizpun_repeat)
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{
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m_quizpun_repeat = false;
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}
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else
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{
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m_quizpun_pending = true;
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m_quizpun_written = false;
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m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE);
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m_maincpu->yield();
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m_maincpu->set_state_int(Z80_PC, m_maincpu->state_int(Z80_PC) - 2);
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m_quizpun_repeat = true;
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}
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return m_port_a;
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}
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WRITE8_MEMBER(quizpun2_state::quizpun_protection_w)
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{
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// logerror("%s: port A write %02x\n", machine().describe_context(), data);
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m_port_a = data;
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m_quizpun_pending = true;
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m_quizpun_written = true;
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m_maincpu->set_input_line(INPUT_LINE_HALT, ASSERT_LINE);
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m_maincpu->yield();
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}
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static ADDRESS_MAP_START( quizpun_io_map, AS_IO, 8, quizpun2_state )
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AM_IMPORT_FROM( common_io_map )
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AM_RANGE( 0xe0, 0xe0 ) AM_READWRITE(quizpun_protection_r, quizpun_protection_w )
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ADDRESS_MAP_END
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/***************************************************************************
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Memory Maps - MCU
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***************************************************************************/
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// Port A - I/O with main cpu (data)
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READ8_MEMBER(quizpun2_state::quizpun_68705_port_a_r)
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{
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// logerror("%s: port A read %02x\n", machine().describe_context(), m_port_a);
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return m_port_a;
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}
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WRITE8_MEMBER(quizpun2_state::quizpun_68705_port_a_w)
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{
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// logerror("%s: port A write %02x\n", machine().describe_context(), data);
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m_port_a = data;
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}
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// Port B - I/O with main cpu (status)
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READ8_MEMBER(quizpun2_state::quizpun_68705_port_b_r)
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{
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// bit 3: 0 = pending
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// bit 1: 0 = main cpu has written
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// bit 0: 0 = main cpu is reading
|
||||
|
||||
uint8_t ret = m_port_b & 0xf4;
|
||||
ret |= ( m_quizpun_pending ? 0 : (1 << 3)) |
|
||||
( (m_quizpun_pending && m_quizpun_written) ? 0 : (1 << 1)) |
|
||||
( (m_quizpun_pending && !m_quizpun_written) ? 0 : (1 << 0)) ;
|
||||
|
||||
// logerror("%s: port B read %02x\n", machine().describe_context(), ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER(quizpun2_state::quizpun_68705_port_b_w)
|
||||
{
|
||||
// logerror("%s: port B write %02x\n", machine().describe_context(), data);
|
||||
|
||||
// bit 2: 0->1 run main cpu
|
||||
|
||||
if (!(m_port_b & 0x04) && (data & 0x04))
|
||||
{
|
||||
m_quizpun_pending = false;
|
||||
m_maincpu->set_input_line(INPUT_LINE_HALT, CLEAR_LINE);
|
||||
}
|
||||
m_port_b = data;
|
||||
}
|
||||
|
||||
// Port C - EEPROM
|
||||
|
||||
READ8_MEMBER(quizpun2_state::quizpun_68705_port_c_r)
|
||||
{
|
||||
uint8_t ret = m_port_c & 0xf7;
|
||||
ret |= m_eeprom->do_read() ? 0x08 : 0;
|
||||
// logerror("%s: port C read %02x\n", machine().describe_context(), ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
WRITE8_MEMBER(quizpun2_state::quizpun_68705_port_c_w)
|
||||
{
|
||||
// latch the bit
|
||||
m_eeprom->di_write((data & 0x04) >> 2);
|
||||
|
||||
// reset line asserted: reset.
|
||||
m_eeprom->cs_write((data & 0x02) ? ASSERT_LINE : CLEAR_LINE);
|
||||
|
||||
// clock line asserted: write latch or select next bit to read
|
||||
m_eeprom->clk_write((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
|
||||
|
||||
// logerror("%s: port C write %02x\n", machine().describe_context(), data);
|
||||
m_port_c = data;
|
||||
}
|
||||
|
||||
static ADDRESS_MAP_START( mcu_map, AS_PROGRAM, 8, quizpun2_state )
|
||||
ADDRESS_MAP_GLOBAL_MASK(0x7ff)
|
||||
|
||||
AM_RANGE(0x000, 0x000) AM_READWRITE(quizpun_68705_port_a_r, quizpun_68705_port_a_w)
|
||||
AM_RANGE(0x001, 0x001) AM_READWRITE(quizpun_68705_port_b_r, quizpun_68705_port_b_w)
|
||||
AM_RANGE(0x002, 0x002) AM_READWRITE(quizpun_68705_port_c_r, quizpun_68705_port_c_w)
|
||||
|
||||
AM_RANGE(0x004, 0x004) AM_NOP // DDR A
|
||||
AM_RANGE(0x005, 0x005) AM_NOP // DDR B
|
||||
AM_RANGE(0x006, 0x006) AM_NOP // DDR C
|
||||
|
||||
AM_RANGE(0x010, 0x07f) AM_RAM
|
||||
AM_RANGE(0x080, 0x7ff) AM_ROM
|
||||
ADDRESS_MAP_END
|
||||
|
||||
/***************************************************************************
|
||||
Memory Maps - Sound CPU
|
||||
@ -412,7 +609,6 @@ static ADDRESS_MAP_START( quizpun2_sound_io_map, AS_IO, 8, quizpun2_state )
|
||||
AM_RANGE( 0x60, 0x61 ) AM_DEVREADWRITE("ymsnd", ym2203_device, read, write)
|
||||
ADDRESS_MAP_END
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
Input Ports
|
||||
***************************************************************************/
|
||||
@ -437,85 +633,84 @@ static INPUT_PORTS_START( quizpun2 )
|
||||
PORT_DIPSETTING( 0x40, "4" )
|
||||
PORT_DIPSETTING( 0x00, "5" )
|
||||
|
||||
PORT_START("IN0")
|
||||
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
|
||||
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
|
||||
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
|
||||
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1)
|
||||
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_BUTTON3 ) PORT_PLAYER(2)
|
||||
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2)
|
||||
PORT_START("IN0") // port $90
|
||||
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
|
||||
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
|
||||
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
|
||||
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2)
|
||||
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
|
||||
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
|
||||
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
|
||||
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1)
|
||||
|
||||
PORT_START("IN1")
|
||||
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
|
||||
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
|
||||
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
|
||||
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN4 )
|
||||
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START1 )
|
||||
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START2 )
|
||||
PORT_START("IN1") // port $a0
|
||||
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
|
||||
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN1 )
|
||||
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START2 )
|
||||
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
|
||||
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
|
||||
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
|
||||
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
|
||||
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
|
||||
INPUT_PORTS_END
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
Graphics Layout
|
||||
***************************************************************************/
|
||||
|
||||
static const gfx_layout layout_8x16x8 =
|
||||
static const gfx_layout layout_16x16x4 =
|
||||
{
|
||||
8, 16,
|
||||
16, 16,
|
||||
RGN_FRAC(1, 1),
|
||||
8,
|
||||
{ STEP8(0,1) },
|
||||
{ STEP8(0,8) },
|
||||
{ STEP16(0,8*8) },
|
||||
8*16*8
|
||||
4,
|
||||
{ STEP4(0,1) },
|
||||
{ 4*1,4*0, 4*3,4*2, 4*5,4*4, 4*7,4*6, 4*9,4*8, 4*11,4*10, 4*13,4*12, 4*15,4*14 },
|
||||
{ STEP16(0,16*4) },
|
||||
16*16*4
|
||||
};
|
||||
|
||||
static const gfx_layout layout_8x16x2 =
|
||||
static const gfx_layout layout_16x16x1 =
|
||||
{
|
||||
8, 16,
|
||||
16, 16,
|
||||
RGN_FRAC(1, 1),
|
||||
2,
|
||||
{ 0,1 },
|
||||
{ STEP4(3*2,-2),STEP4(7*2,-2) },
|
||||
{ STEP16(0,8*2) },
|
||||
8*16*2
|
||||
1,
|
||||
{ 0 },
|
||||
{ STEP8(7*1,-1),STEP8(15*1,-1) },
|
||||
{ STEP16(0,16*1) },
|
||||
16*16*1
|
||||
};
|
||||
|
||||
static GFXDECODE_START( quizpun2 )
|
||||
GFXDECODE_ENTRY( "gfx1", 0, layout_8x16x8, 0, 1*2 )
|
||||
GFXDECODE_ENTRY( "gfx2", 0, layout_8x16x2, 0, 64*2 )
|
||||
GFXDECODE_ENTRY( "gfx3", 0, layout_8x16x2, 0, 64*2 )
|
||||
GFXDECODE_ENTRY( "bg", 0, layout_16x16x4, 0, 256/16 )
|
||||
GFXDECODE_ENTRY( "fg", 0, layout_16x16x1, 0x100, 256/2 )
|
||||
GFXDECODE_ENTRY( "fg2", 0, layout_16x16x1, 0x100, 256/2 )
|
||||
GFXDECODE_END
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
Machine Drivers
|
||||
***************************************************************************/
|
||||
|
||||
static MACHINE_CONFIG_START( quizpun2, quizpun2_state )
|
||||
/* basic machine hardware */
|
||||
MCFG_CPU_ADD("maincpu", Z80, XTAL_8MHz / 2) // 4 MHz?
|
||||
MCFG_CPU_ADD("maincpu", Z80, XTAL_8MHz / 2) // 4 MHz
|
||||
MCFG_CPU_PROGRAM_MAP(quizpun2_map)
|
||||
MCFG_CPU_IO_MAP(quizpun2_io_map)
|
||||
MCFG_CPU_VBLANK_INT_DRIVER("screen", quizpun2_state, irq0_line_hold)
|
||||
|
||||
MCFG_CPU_ADD("audiocpu", Z80, XTAL_8MHz / 2) // 4 MHz?
|
||||
MCFG_CPU_ADD("audiocpu", Z80, XTAL_8MHz / 2) // 4 MHz
|
||||
MCFG_CPU_PROGRAM_MAP(quizpun2_sound_map)
|
||||
MCFG_CPU_IO_MAP(quizpun2_sound_io_map)
|
||||
MCFG_CPU_VBLANK_INT_DRIVER("screen", quizpun2_state, irq0_line_hold)
|
||||
// NMI generated by main CPU
|
||||
|
||||
MCFG_EEPROM_SERIAL_93C46_ADD("eeprom")
|
||||
|
||||
/* video hardware */
|
||||
MCFG_SCREEN_ADD("screen", RASTER)
|
||||
MCFG_SCREEN_REFRESH_RATE(60)
|
||||
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
|
||||
MCFG_SCREEN_SIZE(256, 256)
|
||||
MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 0, 256-1)
|
||||
MCFG_SCREEN_SIZE(384, 256)
|
||||
MCFG_SCREEN_VISIBLE_AREA(0, 384-1, 0, 256-1)
|
||||
MCFG_SCREEN_UPDATE_DRIVER(quizpun2_state, screen_update_quizpun2)
|
||||
MCFG_SCREEN_PALETTE("palette")
|
||||
|
||||
@ -523,16 +718,22 @@ static MACHINE_CONFIG_START( quizpun2, quizpun2_state )
|
||||
MCFG_PALETTE_ADD("palette", 0x200)
|
||||
MCFG_PALETTE_FORMAT(xRRRRRGGGGGBBBBB)
|
||||
|
||||
|
||||
/* sound hardware */
|
||||
MCFG_SPEAKER_STANDARD_MONO("mono")
|
||||
|
||||
MCFG_GENERIC_LATCH_8_ADD("soundlatch")
|
||||
|
||||
MCFG_SOUND_ADD("ymsnd", YM2203, XTAL_8MHz / 4 ) // 2 MHz?
|
||||
MCFG_SOUND_ADD("ymsnd", YM2203, XTAL_8MHz / 2) // 4 MHz
|
||||
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
static MACHINE_CONFIG_DERIVED( quizpun, quizpun2 )
|
||||
MCFG_CPU_MODIFY("maincpu")
|
||||
MCFG_CPU_IO_MAP(quizpun_io_map)
|
||||
|
||||
MCFG_CPU_ADD("mcu", M68705, XTAL_4MHz) // xtal is 4MHz, divided by 4 internally
|
||||
MCFG_CPU_PROGRAM_MAP(mcu_map)
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
/***************************************************************************
|
||||
ROMs Loading
|
||||
@ -550,31 +751,31 @@ ROM_START( quizpun2 )
|
||||
ROM_LOAD( "u22", 0x00000, 0x10000, CRC(f40768b5) SHA1(4410f71850357ec1d10a3a114bb540966e72781b) )
|
||||
|
||||
ROM_REGION( 0x1000, "mcu", 0 )
|
||||
ROM_LOAD( "mcu.bin", 0x0000, 0x1000, NO_DUMP ) // could be a state machine instead
|
||||
ROM_LOAD( "mcu.bin", 0x0000, 0x1000, NO_DUMP )
|
||||
|
||||
ROM_REGION( 0x40000, "gfx1", 0 ) // 8x16x8
|
||||
ROM_REGION( 0x40000, "bg", 0 ) // 16x16x8
|
||||
ROM_LOAD( "u21", 0x00000, 0x10000, CRC(8ac86759) SHA1(2eac9ceee4462ce905aa08ff4f5a6215e0b6672f) )
|
||||
ROM_LOAD( "u20", 0x10000, 0x10000, CRC(67640a46) SHA1(5b33850afbb89db9ce9044a578423bfe3a55420d) )
|
||||
ROM_LOAD( "u29", 0x20000, 0x10000, CRC(cd8ff05b) SHA1(25e5be914fe49ff96a3c04de0c0e266a79068930) )
|
||||
ROM_LOAD( "u30", 0x30000, 0x10000, CRC(8612b443) SHA1(1033a378b21023eca471f43309d49461494b5ea1) )
|
||||
|
||||
ROM_REGION( 0x6000, "gfx2", 0 ) // 8x16x2
|
||||
ROM_REGION( 0x6000, "fg", 0 ) // 16x16x1
|
||||
ROM_LOAD( "u26", 0x1000, 0x1000, CRC(151de8af) SHA1(2159ab030043e69d63cc9fbbc772f5bae8ab3f9d) )
|
||||
ROM_CONTINUE( 0x0000, 0x1000 )
|
||||
ROM_LOAD( "u27", 0x3000, 0x1000, CRC(2afdafea) SHA1(4c116a1e8a91f2e309646063139763b837e24bc7) )
|
||||
ROM_CONTINUE( 0x2000, 0x1000 )
|
||||
ROM_LOAD( "u28", 0x5000, 0x1000, CRC(c8bd85ad) SHA1(e7f0882f669edea1bb4634c263872f63da6a3290) )
|
||||
ROM_LOAD( "u28", 0x5000, 0x1000, CRC(c8bd85ad) SHA1(e7f0882f669edea1bb4634c263872f63da6a3290) ) // 1ST HALF = xx00
|
||||
ROM_CONTINUE( 0x4000, 0x1000 )
|
||||
|
||||
ROM_REGION( 0x20000, "gfx3", 0 ) // 8x16x2
|
||||
ROM_REGION( 0x20000, "fg2", 0 ) // 16x16x1
|
||||
ROM_LOAD( "u1", 0x00000, 0x10000, CRC(58506040) SHA1(9d8bed2585e8f188a20270fccd9cfbdb91e48599) )
|
||||
ROM_LOAD( "u2", 0x10000, 0x10000, CRC(9294a19c) SHA1(cd7109262e5f68b946c84aa390108bcc47ee1300) )
|
||||
|
||||
ROM_REGION( 0x80, "eeprom", 0 ) // EEPROM (tied to the unknown DIP40)
|
||||
ROM_REGION16_BE( 0x80, "eeprom", 0 ) // EEPROM (tied to the unknown DIP40)
|
||||
ROM_LOAD( "93c46", 0x00, 0x80, CRC(4d244cc8) SHA1(6593d5b7ac1ebb77fee4648ad1d3d9b59a25fdc8) )
|
||||
|
||||
ROM_REGION( 0x2000, "unknown", 0 )
|
||||
ROM_LOAD( "u2a", 0x0000, 0x2000, CRC(13afc2bd) SHA1(0d9c8813525dfc7a844e72d2cf84261db3d10a23) )
|
||||
ROM_LOAD( "u2a", 0x0000, 0x2000, CRC(13afc2bd) SHA1(0d9c8813525dfc7a844e72d2cf84261db3d10a23) ) // 111xxxxxxxxxx = 0xFF
|
||||
ROM_END
|
||||
|
||||
ROM_START( quizpun )
|
||||
@ -588,31 +789,31 @@ ROM_START( quizpun )
|
||||
ROM_REGION( 0x10000, "audiocpu", 0 )
|
||||
ROM_LOAD( "05.u22", 0x00000, 0x10000, CRC(515f337e) SHA1(21b2cca95b5da934fd8139892c2ee2c623d51a4e) )
|
||||
|
||||
ROM_REGION( 0x1000, "mcu", 0 )
|
||||
ROM_LOAD( "mcu.bin", 0x0000, 0x1000, NO_DUMP ) // could be a state machine instead
|
||||
ROM_REGION( 0x800, "mcu", 0 )
|
||||
ROM_LOAD( "68705p5.bin", 0x000, 0x800, CRC(2e52bc67) SHA1(13ad4aee88c53c75c7cc1f31a149ba0234447f42) ) // in epoxy block
|
||||
|
||||
ROM_REGION( 0x40000, "gfx1", 0 ) // 8x16x8
|
||||
ROM_REGION( 0x40000, "bg", 0 ) // 16x16x8
|
||||
ROM_LOAD( "04.u21", 0x00000, 0x10000, CRC(fa8d64f4) SHA1(71badabf8f34f246dec83323a1cddbe74deb91bd) )
|
||||
ROM_LOAD( "03.u20", 0x10000, 0x10000, CRC(8dda8167) SHA1(42838cf6866fb1d59c5bb3b477053aac448e7760) )
|
||||
ROM_LOAD( "09.u29", 0x20000, 0x10000, CRC(b9f28569) SHA1(1395cd226d314ee57385eed25f28b68607bfda53) )
|
||||
ROM_LOAD( "10.u30", 0x30000, 0x10000, CRC(db5762c0) SHA1(606dc4a3e6b8034f063f11dcf0a2b1db59838f4c) )
|
||||
|
||||
ROM_REGION( 0xc000, "gfx2", 0 ) // 8x16x2
|
||||
ROM_REGION( 0xc000, "fg", 0 ) // 16x16x1
|
||||
ROM_LOAD( "06.u26", 0x1000, 0x1000, CRC(6d071b6d) SHA1(19565c8d768eeecd4119677915cc06f3ea18a47a) )
|
||||
ROM_CONTINUE( 0x0000, 0x1000 )
|
||||
ROM_LOAD( "07.u27", 0x3000, 0x1000, CRC(0f8b516e) SHA1(8bfabfd0bd28a1c7ddd01586fe9757b241feb59b) )
|
||||
ROM_LOAD( "07.u27", 0x3000, 0x1000, CRC(0f8b516e) SHA1(8bfabfd0bd28a1c7ddd01586fe9757b241feb59b) ) // FIXED BITS (xxxxxxx00xxxxxxx), BADADDR --xxxxxxxxxxxxx
|
||||
ROM_CONTINUE( 0x2000, 0x1000 )
|
||||
ROM_CONTINUE( 0x6000, 0x6000 ) // ??
|
||||
ROM_LOAD( "08.u28", 0x5000, 0x1000, CRC(51c0c5cb) SHA1(0c7bfc9b6b3ce0cdd5c0e36df2b4d90f9cff7fae) )
|
||||
ROM_LOAD( "08.u28", 0x5000, 0x1000, CRC(51c0c5cb) SHA1(0c7bfc9b6b3ce0cdd5c0e36df2b4d90f9cff7fae) ) // FIXED BITS (0xxxxxx000000000), 111xxxxxxxxx1 = 0x00
|
||||
ROM_CONTINUE( 0x4000, 0x1000 )
|
||||
|
||||
ROM_REGION( 0x20000, "gfx3", 0 ) // 8x16x2
|
||||
ROM_REGION( 0x20000, "fg2", 0 ) // 16x16x1
|
||||
ROM_LOAD( "01.u1", 0x00000, 0x10000, CRC(58506040) SHA1(9d8bed2585e8f188a20270fccd9cfbdb91e48599) )
|
||||
ROM_LOAD( "02.u2", 0x10000, 0x10000, CRC(9294a19c) SHA1(cd7109262e5f68b946c84aa390108bcc47ee1300) )
|
||||
|
||||
ROM_REGION( 0x80, "eeprom", ROMREGION_ERASEFF )
|
||||
|
||||
ROM_REGION16_BE( 0x80, "eeprom", 0 )
|
||||
ROM_LOAD( "93c46eeprom.bin", 0, 0x80, CRC(4d244cc8) SHA1(6593d5b7ac1ebb77fee4648ad1d3d9b59a25fdc8) )
|
||||
ROM_END
|
||||
|
||||
GAME( 1988, quizpun, 0, quizpun2, quizpun2, driver_device, 0, ROT270, "Space Computer", "Quiz Punch", MACHINE_NOT_WORKING | MACHINE_UNEMULATED_PROTECTION )
|
||||
GAME( 1989, quizpun2, 0, quizpun2, quizpun2, driver_device, 0, ROT270, "Space Computer", "Quiz Punch 2", MACHINE_NOT_WORKING | MACHINE_UNEMULATED_PROTECTION )
|
||||
GAME( 1988, quizpun, 0, quizpun, quizpun2, driver_device, 0, ROT270, "Space Computer", "Quiz Punch", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND )
|
||||
GAME( 1989, quizpun2, 0, quizpun2, quizpun2, driver_device, 0, ROT270, "Space Computer", "Quiz Punch II", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND | MACHINE_UNEMULATED_PROTECTION )
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Reference in New Issue
Block a user