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Hooked up some quick and dirty video routine to Aristocrat Mk-5 [Angelo Salese]

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This commit is contained in:
Angelo Salese 2010-08-16 15:06:51 +00:00
parent 9ddee4ab77
commit 557293e730
2 changed files with 47 additions and 18 deletions
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54
src/mame/drivers/aristmk5.c
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@ -12,29 +12,54 @@
#include "sound/dac.h"
#include "includes/archimds.h"
static ADDRESS_MAP_START( aristmk5_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x00000000, 0x01ffffff) AM_READWRITE(archimedes_memc_logical_r, archimedes_memc_logical_w)
AM_RANGE(0x02000000, 0x02ffffff) AM_RAM AM_BASE(&archimedes_memc_physmem) /* physical RAM - 16 MB for now, should be 512k for the A310 */
AM_RANGE(0x03000000, 0x033fffff) AM_READWRITE(archimedes_ioc_r, archimedes_ioc_w)
AM_RANGE(0x03400000, 0x035fffff) AM_ROM AM_REGION("maincpu", 0) AM_WRITE(archimedes_memc_page_w)
AM_RANGE(0x03600000, 0x037fffff) AM_READWRITE(archimedes_memc_r, archimedes_memc_w)
AM_RANGE(0x03800000, 0x039fffff) AM_READWRITE(archimedes_vidc_r, archimedes_vidc_w)
ADDRESS_MAP_END
static INPUT_PORTS_START( aristmk5 )
INPUT_PORTS_END
extern UINT8 ioc_regs[0x80/4];
extern void archimedes_request_irq_a(running_machine *machine, int mask);
extern UINT32 *archimedes_memc_physmem;
static VIDEO_START(aristmk5)
{
}
/* just a quick hack to check out error printing, AA video emulation is A LOT more complex */
static VIDEO_UPDATE(aristmk5)
{
int count;
int x,y,xi;
UINT32 *vram = archimedes_memc_physmem;
// sets video DMA to 0x400 - 0x400 - 0xfe00
count = 0x800/4; // 0x400 text is offset???
for(y=0;y<480;y++)
{
for(x=0;x<640;x+=4)
{
for(xi=0;xi<4;xi++)
if ((x+xi) <= screen->visible_area().max_x && (y) <= screen->visible_area().max_y)
*BITMAP_ADDR32(bitmap, y, x+xi) = screen->machine->pens[(vram[count]>>(xi*8))&0xff];
count++;
}
}
return 0;
}
static ADDRESS_MAP_START( aristmk5_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x00000000, 0x01ffffff) AM_READWRITE(archimedes_memc_logical_r, archimedes_memc_logical_w)
AM_RANGE(0x02000000, 0x02ffffff) AM_RAM AM_BASE(&archimedes_memc_physmem) /* physical RAM - 16 MB for now, should be 512k for the A310 */
AM_RANGE(0x03010810, 0x03010813) AM_READNOP //MK-5 specific, watchdog
AM_RANGE(0x03000000, 0x033fffff) AM_READWRITE(archimedes_ioc_r, archimedes_ioc_w)
AM_RANGE(0x03400000, 0x035fffff) AM_ROM AM_REGION("maincpu", 0) AM_WRITE(archimedes_memc_page_w)
AM_RANGE(0x03600000, 0x037fffff) AM_READWRITE(archimedes_memc_r, archimedes_memc_w)
AM_RANGE(0x03800000, 0x039fffff) AM_READWRITE(archimedes_vidc_r, archimedes_vidc_w) //TODO: this is different here, it appears to contain palette data only
ADDRESS_MAP_END
static INPUT_PORTS_START( aristmk5 )
INPUT_PORTS_END
static DRIVER_INIT( aristmk5 )
{
archimedes_driver_init(machine);
@ -51,6 +76,7 @@ static MACHINE_START( aristmk5 )
static MACHINE_RESET( aristmk5 )
{
archimedes_reset(machine);
ioc_regs[4]|=1; //set printer busy irq?
}
static MACHINE_DRIVER_START( aristmk5 )
@ -63,9 +89,9 @@ static MACHINE_DRIVER_START( aristmk5 )
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MDRV_SCREEN_SIZE(64*8, 32*8)
MDRV_SCREEN_VISIBLE_AREA(8*8, 48*8-1, 2*8, 30*8-1)
MDRV_SCREEN_VISIBLE_AREA(8*8, 64*8-1, 0*8, 32*8-1)
MDRV_PALETTE_LENGTH(0x200)

11
src/mame/machine/archimds.c
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@ -41,12 +41,13 @@ UINT32 *archimedes_memc_physmem;
static UINT32 memc_pagesize;
static int memc_latchrom;
static INT16 memc_pages[(32*1024*1024)/(4096)]; // the logical RAM area is 32 megs, and the smallest page size is 4k
static UINT32 vidc_regs[256];
static UINT8 ioc_regs[0x80/4];
UINT32 vidc_regs[256];
UINT8 ioc_regs[0x80/4];
static UINT32 ioc_timercnt[4], ioc_timerout[4];
static UINT32 vidc_sndstart, vidc_sndend, vidc_sndcur;
static emu_timer *vbl_timer, *timer[4], *snd_timer;
static emu_timer *timer[4], *snd_timer;
emu_timer *vbl_timer;
void archimedes_request_irq_a(running_machine *machine, int mask)
{
@ -205,7 +206,8 @@ READ32_HANDLER(archimedes_memc_logical_r)
}
else
{
logerror("ARCHIMEDES_MEMC: Reading unmapped page, what do we do?\n");
logerror("ARCHIMEDES_MEMC: Reading unmapped page\n");
return 0xdeadbeef;
}
}
@ -526,6 +528,7 @@ WRITE32_HANDLER(archimedes_vidc_w)
};
#endif
// 0x00 - 0x3c Video Palette Logical Colors (16 colors)
// 0x40 Border Color
// 0x44 - 0x4c Cursor Palette Logical Colors