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Diffstat (limited to 'src/mess/drivers/hp9k.c')
-rw-r--r-- | src/mess/drivers/hp9k.c | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/src/mess/drivers/hp9k.c b/src/mess/drivers/hp9k.c deleted file mode 100644 index 9fa6ae09513..00000000000 --- a/src/mess/drivers/hp9k.c +++ /dev/null @@ -1,432 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Gabriele D'Antona, F. Ulivi - -/*************************************************************************** - -HP 9816 -1982 -MESS driver by friol (dantonag (at) gmail.com) -System reference mainly from O.De Smet -Driver started on 10/01/2012 - -=== - -Memory map: - -000000-00ffff - system rom -428000-428fff - keyboard -510000-51ffff - videoram -530000-53ffff - graphic memory -5f0000-5f3fff - system PROM -xxxxxx-ffffff - system RAM - -=== - -- 0x408: startup code, 68000 registers test -- 0x1002: bootrom test -- 0x1d18: PROM test -- 0x103C: prints "bootrom failed" -- 0x1150: other boot test -- 0x1164: keyboard test -- 0x1202: post-kbd test -- 0x12c6: "loading memory" test - -=== - -TODO: boot tests fail - -****************************************************************************/ - -#include "emu.h" -#include "cpu/m68000/m68000.h" -#include "video/mc6845.h" -#include "machine/terminal.h" -//#include "machine/ins8250.h" - -#define HP9816_CHDIMX 8 -#define HP9816_CHDIMY 16 -#define HP9816_ROWX 80 -#define HP9816_ROWY 25 - -// - -static UINT8 prom16a[256] = { - 0x00,0x00, // checksum - 0x00, // 256 bytes idprom - '2', '0', '1', '0', 'A', '0', '0', '0', '0', '0', '0', // serial in ascii DDDDCSSSSSS date code, country, serial number - '9', '8', '1', '6', 'A', ' ', ' ', // product number - 0xff, // 8 bits processor board config - 0x01, // keyboard 98203B - 0x02, // CRT alpha see crtid for monitor - 0x03, // HP-IB - 0x04, // Graphics - 0xff, // end - 0xff, - 0xff, - 0xff, - 0xff, - 0xff, - 0xff, - 0xff, - 0xff, - 0xff, - 0xff, - 0xff, - 0xff,0xfe,0x00,0x00, // bottom minimun address for ram size - 0xff,0xff, // 16 required IO cards here not used - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff, - 0xff,0xff,0xff,0xff, // boot msus to try before Boot list scan - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, // Boot file name - 0x00,0x00,0x00,0x00, // delay in millisec before boot scan - 0x00, // owner byte, HP format - 0x00, // id prom revision byte : 0x00 - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, // rest reserved at 0xFF - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, - 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff -}; - -// - -class hp9k_state : public driver_device -{ -private: - - int crtc_curreg; - int crtc_addrStartHi; - int crtc_addrStartLow; - - void calc_prom_crc(UINT8* prom); - void putChar(UINT8 thec,int x,int y,bitmap_ind16 &bitmap); - -public: - hp9k_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - //m_terminal(*this, TERMINAL_TAG), - m_6845(*this, "mc6845"), - m_gfxdecode(*this, "gfxdecode") - { - kbdBit=0; - crtc_curreg=0; - crtc_addrStartHi=0; - crtc_addrStartLow=0; - calc_prom_crc(prom16a); - } - - UINT8 kbdBit; - - required_device<cpu_device> m_maincpu; - //required_device<> m_terminal; - required_device<mc6845_device> m_6845; - - UINT8 m_videoram[0x4000]; - UINT8 m_screenram[0x800]; - - DECLARE_DRIVER_INIT(hp9k); - - DECLARE_READ16_MEMBER(buserror_r); - DECLARE_WRITE16_MEMBER(buserror_w); - - DECLARE_READ16_MEMBER(hp9k_videoram_r); - DECLARE_WRITE16_MEMBER(hp9k_videoram_w); - - DECLARE_READ16_MEMBER(hp9k_prom_r); - DECLARE_WRITE16_MEMBER(hp9k_prom_w); - - DECLARE_READ16_MEMBER(keyboard_r); - DECLARE_WRITE16_MEMBER(keyboard_w); - - DECLARE_READ16_MEMBER(leds_r); - DECLARE_WRITE16_MEMBER(leds_w); - - DECLARE_WRITE8_MEMBER(kbd_put); - - UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - - required_device<gfxdecode_device> m_gfxdecode; -}; - -// - -void hp9k_state::calc_prom_crc(UINT8* prom) -{ - int chksum; - int i; - - chksum = 0; - for (i=0; i < 256; i+=2) - { - chksum += ((prom[i] << 8) | prom[i+1]); - if (chksum&0x10000) chksum++; - chksum&=0xffff; - } - - chksum=(chksum+1)&0xffff; - - if (chksum!=0) - { - chksum=(0x10000-chksum); - prom[0]=(UINT8)(chksum>>8); - prom[1]=(UINT8)(chksum&0xff); - } -} - -READ16_MEMBER( hp9k_state::keyboard_r ) -{ - //printf("keyboard read at [%x] mask [%x]\n",offset,mem_mask); - return 0x31; -} - -WRITE16_MEMBER( hp9k_state::keyboard_w ) -{ - //printf("keyboard write of [%x] at [%x]\n",data,offset); -} - -READ16_MEMBER( hp9k_state::leds_r ) -{ - //printf("warning: leds read at [%x] mm [%x]\n",offset,mem_mask); - return 0; -} - -WRITE16_MEMBER( hp9k_state::leds_w ) -{ - //printf("warning: leds write of [%x] at [%x] mm [%x]\n",data,offset,mem_mask); -} - -READ16_MEMBER( hp9k_state::hp9k_prom_r ) -{ - //if (mem_mask!=0xff) printf("read of PROM at [%x] mem_mask [%x]\n",offset,mem_mask); - int k=prom16a[offset&0xff]; - if (mem_mask==0xff00) return (k<<8); - else return k; - //return 0; -} - -WRITE16_MEMBER( hp9k_state::hp9k_prom_w ) -{ - //printf("Error: write to prom\n"); -} - -READ16_MEMBER( hp9k_state::hp9k_videoram_r ) -{ - offset&=0x3fff; - - //printf("videoram read at [%x] mem_mask [%x]\n",offset,mem_mask); - - if (offset==0x0001) - { - //printf("m6845 read at [%x] mem_mask [%x]\n",offset,mem_mask); - return m_6845->register_r(space,0); - } - else - { - if (mem_mask==0xff00) - { - return m_videoram[offset]<<8; - } - else - { - return m_videoram[offset]; - } - } -} - -WRITE16_MEMBER( hp9k_state::hp9k_videoram_w ) -{ - offset&=0x3fff; - - if (offset==0x0000) - { - //printf("6845 address write [%x] at [%x] mask [%x]\n",data,offset,mem_mask); - data&=0x1f; - m_6845->address_w( space, 0, data ); - crtc_curreg=data; - } - else if (offset==0x0001) - { - //printf("6845 register write [%x] at [%x] mask [%x]\n",data,offset,mem_mask); - m_6845->register_w( space, 0, data ); - if (crtc_curreg==0x0c) crtc_addrStartHi=data; - if (crtc_curreg==0x0d) crtc_addrStartLow=data; - } - else - { - //printf("videoram write [%x] at [%x]\n",data,offset); - - if (mem_mask==0xff00) - { - m_screenram[offset&0x7ff]=data>>8; - m_videoram[offset&0x3fff]=data>>8; - - //UINT8 *rom = machine().region("bootrom")->base(); - //rom[0x90B]=0x00; - } - else - { - m_screenram[offset&0x7ff]=data; - m_videoram[offset&0x3fff]=data; - } - } -} - -READ16_MEMBER(hp9k_state::buserror_r) -{ - m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE); - m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE); - return 0; -} - -WRITE16_MEMBER(hp9k_state::buserror_w) -{ - m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE); - m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE); -} - -static ADDRESS_MAP_START(hp9k_mem, AS_PROGRAM, 16, hp9k_state) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x000000, 0x000909) AM_ROM AM_REGION("bootrom",0) - AM_RANGE(0x00090a, 0x00090d) AM_READWRITE(leds_r,leds_w) - AM_RANGE(0x00090e, 0x00ffff) AM_ROM AM_REGION("bootrom",0x90e) - AM_RANGE(0x010000, 0x427fff) AM_READWRITE(buserror_r,buserror_w) - AM_RANGE(0x428000, 0x428fff) AM_READWRITE(keyboard_r,keyboard_w) - AM_RANGE(0x429000, 0x50ffff) AM_READWRITE(buserror_r,buserror_w) - AM_RANGE(0x510000, 0x51ffff) AM_READWRITE(hp9k_videoram_r,hp9k_videoram_w) - AM_RANGE(0x520000, 0x52ffff) AM_READWRITE(buserror_r,buserror_w) - AM_RANGE(0x530000, 0x53ffff) AM_RAM // graphic memory - AM_RANGE(0x540000, 0x5effff) AM_READWRITE(buserror_r,buserror_w) - AM_RANGE(0x5f0000, 0x5f3fff) AM_READWRITE(hp9k_prom_r,hp9k_prom_w) - //AM_RANGE(0x5f0000, 0x5f3fff) AM_READWRITE(buserror_r,buserror_w) - AM_RANGE(0x5f4000, 0xfbffff) AM_READWRITE(buserror_r,buserror_w) - AM_RANGE(0xFC0000, 0xffffff) AM_RAM // system ram -ADDRESS_MAP_END - - -/* Input ports */ -static INPUT_PORTS_START( hp9k ) -INPUT_PORTS_END - - -DRIVER_INIT_MEMBER(hp9k_state,hp9k) -{ -} - -static const gfx_layout hp9k_charlayout = -{ - HP9816_CHDIMX, HP9816_CHDIMY, - 256, /* 256 characters */ - 1, /* 1 bits per pixel */ - { 0 }, /* no bitplanes */ - /* x offsets */ - { STEP8(0,1) }, - /* y offsets */ - { STEP16(0,8) }, - 8*16 /* every char takes 16 bytes */ -}; - -static GFXDECODE_START( hp9k ) - GFXDECODE_ENTRY( "bootrom", 0x2000, hp9k_charlayout, 0, 1 ) -GFXDECODE_END - -void hp9k_state::putChar(UINT8 thec,int x,int y,bitmap_ind16 &bitmap) -{ - const UINT8* pchar=m_gfxdecode->gfx(0)->get_data(thec); - - for (int py=0;py<HP9816_CHDIMY;py++) - { - for (int px=0;px<HP9816_CHDIMX;px++) - { - UINT16 *dest=&bitmap.pix16((y*(HP9816_CHDIMY))+py,(x*(HP9816_CHDIMX))+px); - *dest=pchar[px+(py*8)]; - } - } -} - -UINT32 hp9k_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - //UINT8* pvram=&m_screenram[1]; - - int startAddr=((crtc_addrStartLow&0xff)|((crtc_addrStartHi<<8)))&0x3fff; - int chStart=startAddr&0x1fff; - - for (int r=0;r<HP9816_ROWY;r++) - { - for (int c=0;c<HP9816_ROWX;c++) - { - //UINT8 thec=pvram[((c+(r*80))+160+47)&0x7ff]; - //UINT8 thec=m_videoram[((c+(r*80))+startAddr)]; - UINT8 thec=m_screenram[chStart&0x7ff]; - putChar(thec,c,r,bitmap); - chStart++; - } - } - - //putChar(0x44,0,0,pscr); - return 0; -} - -WRITE8_MEMBER( hp9k_state::kbd_put ) -{ - kbdBit=data; -} - - -static MACHINE_CONFIG_START( hp9k, hp9k_state ) - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu",M68000, XTAL_8MHz) - MCFG_CPU_PROGRAM_MAP(hp9k_mem) - - /* video hardware */ - - MCFG_SCREEN_ADD("screen", RASTER) - MCFG_SCREEN_REFRESH_RATE(50) - MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) - MCFG_SCREEN_SIZE(HP9816_ROWX*HP9816_CHDIMX, HP9816_ROWY*HP9816_CHDIMY) - MCFG_SCREEN_VISIBLE_AREA(0, (HP9816_ROWX*HP9816_CHDIMX)-1, 0, (HP9816_ROWY*HP9816_CHDIMY)-1) - MCFG_SCREEN_UPDATE_DRIVER(hp9k_state, screen_update) - MCFG_SCREEN_PALETTE("palette") - - MCFG_GFXDECODE_ADD("gfxdecode", "palette", hp9k) - MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") - - MCFG_MC6845_ADD("mc6845", MC6845, "screen", XTAL_16MHz / 16) - MCFG_MC6845_SHOW_BORDER_AREA(false) - MCFG_MC6845_CHAR_WIDTH(8) -MACHINE_CONFIG_END - -/* ROM definition */ -ROM_START( hp9816 ) - ROM_REGION16_BE(0x10000, "bootrom", 0) - - ROM_DEFAULT_BIOS("bios40") - ROM_SYSTEM_BIOS(0, "bios40", "Bios v4.0") - ROMX_LOAD( "rom40.bin", 0x0000, 0x10000, CRC(36005480) SHA1(645a077ffd95e4c31f05cd8bbd6e4554b12813f1), ROM_BIOS(1) ) - ROM_SYSTEM_BIOS(1, "bios30", "Bios v3.0") - ROMX_LOAD( "rom30.bin", 0x0000, 0x10000, CRC(05c07e75) SHA1(3066a65e6137482041f9a77d09ee2289fe0974aa), ROM_BIOS(2) ) - -ROM_END - -/* Driver */ - -/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ -COMP( 1982, hp9816, 0, 0, hp9k, hp9k, hp9k_state, hp9k, "Hewlett Packard", "HP 9816" , MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) |