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luckgrln: Implemented CRT Controller hook-up

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This commit is contained in:
Angelo Salese 2009-12-19 18:21:01 +00:00
parent f3ba692e44
commit 3b659a1211
1 changed files with 21 additions and 1 deletions
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22
src/mame/drivers/luckgrln.c
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@ -75,6 +75,7 @@
#include "driver.h"
#include "cpu/z180/z180.h"
#include "video/mc6845.h"
static ADDRESS_MAP_START( mainmap, ADDRESS_SPACE_PROGRAM, 8 )
@ -87,7 +88,9 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( portmap, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff) // i think
AM_RANGE( 0x0000, 0x003f ) AM_RAM // Z180 internal regs
AM_RANGE(0x0000, 0x003f) AM_RAM // Z180 internal regs
AM_RANGE(0x00b0, 0x00b0) AM_DEVWRITE("crtc", mc6845_address_w)
AM_RANGE(0x00b1, 0x00b1) AM_DEVWRITE("crtc", mc6845_register_w)
ADDRESS_MAP_END
@ -120,12 +123,29 @@ static VIDEO_UPDATE(luckgrln)
return 0;
}
static const mc6845_interface mc6845_intf =
{
"screen", /* screen we are acting on */
8, /* number of pixels per video memory address */
NULL, /* before pixel update callback */
NULL, /* row update callback */
NULL, /* after pixel update callback */
DEVCB_NULL, /* callback for display state changes */
DEVCB_NULL, /* callback for cursor state changes */
DEVCB_NULL, /* HSYNC callback */
DEVCB_NULL, /* VSYNC callback */
NULL /* update address callback */
};
static MACHINE_DRIVER_START( luckgrln )
MDRV_CPU_ADD("maincpu", Z180,8000000)
MDRV_CPU_PROGRAM_MAP(mainmap)
MDRV_CPU_IO_MAP(portmap)
MDRV_CPU_VBLANK_INT("screen", irq0_line_hold)
MDRV_MC6845_ADD("crtc", H46505, 6000000/4, mc6845_intf) /* unknown clock, hand tuned to get ~60 fps */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))