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Correctly setup the MC6845 device in the Funworld driver.

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Added common device interface and eliminated the screen size & visible area parameters to Magic Card 2.
This commit is contained in:
Roberto Fresca 2008-12-26 10:54:19 +00:00
parent 2938c6018d
commit 2f93f0042f
1 changed files with 18 additions and 6 deletions
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24
src/mame/drivers/funworld.c
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@ -1963,6 +1963,23 @@ static const ay8910_interface ay8910_intf =
};
/************************
* CRTC Interface *
************************/
static const mc6845_interface mc6845_intf =
{
"main", /* screen we are acting on */
4, /* number of pixels per video memory address */
NULL, /* before pixel update callback */
NULL, /* row update callback */
NULL, /* after pixel update callback */
NULL, /* callback for display state changes */
NULL, /* HSYNC callback */
NULL /* VSYNC callback */
};
/**************************
* Machine Drivers *
**************************/
@ -1993,7 +2010,7 @@ static MACHINE_DRIVER_START( funworld )
MDRV_VIDEO_START(funworld)
MDRV_VIDEO_UPDATE(funworld)
MDRV_MC6845_ADD("crtc", MC6845, 0, mc6845_null_interface)
MDRV_MC6845_ADD("crtc", MC6845, MASTER_CLOCK/8, mc6845_intf) /* 2MHz, veryfied on jollycrd & royalcrd */
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
@ -2009,11 +2026,6 @@ static MACHINE_DRIVER_START( magicrd2 )
MDRV_CPU_REPLACE("main", M65C02, MASTER_CLOCK/8) /* 2MHz */
MDRV_CPU_PROGRAM_MAP(magicrd2_map, 0)
MDRV_SCREEN_MODIFY("main")
MDRV_SCREEN_SIZE((123+1)*4, (36+1)*8) /* Taken from MC6845 init, registers 00 & 04. Normally programmed with (value-1) */
// MDRV_SCREEN_VISIBLE_AREA(0*4, 112*4-1, 0*8, 34*8-1) /* Taken from MC6845 init, registers 01 & 06 */
MDRV_SCREEN_VISIBLE_AREA(0*4, 98*4-1, 0*8, 32*8-1) /* adjusted to screen for testing purposes */
MDRV_GFXDECODE(funworld)
MDRV_VIDEO_START(magicrd2)