diff options
author | Angelo Salese <angelosa@users.noreply.github.com> | 2011-04-23 01:28:07 +0000 |
---|---|---|
committer | Angelo Salese <angelosa@users.noreply.github.com> | 2011-04-23 01:28:07 +0000 |
commit | 7b1a4a5c5e4943670cf0a4b731e2e1baae79194f (patch) | |
tree | d55bd99b7a27b37578f72977d815d1d3fa588121 | |
parent | 142f507ba7f7899cdf30d53704e54156586aba90 (diff) |
Upcoming work ...
-rw-r--r-- | src/mame/drivers/buster.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/mame/drivers/buster.c b/src/mame/drivers/buster.c index 3f04bb9c263..a2618a6cec0 100644 --- a/src/mame/drivers/buster.c +++ b/src/mame/drivers/buster.c @@ -9,6 +9,7 @@ Video Fruit Machine #include "emu.h" #include "cpu/z80/z80.h" #include "sound/ay8910.h" +#include "video/mc6845.h" class buster_state : public driver_device @@ -53,8 +54,8 @@ static ADDRESS_MAP_START( mainmap, AS_PROGRAM, 8 ) AM_RANGE(0x0000, 0x3fff) AM_RAM AM_BASE_MEMBER(buster_state, m_rom) AM_RANGE(0x4000, 0x47ff) AM_RAM AM_RANGE(0x5000, 0x5fff) AM_RAM AM_BASE_MEMBER(buster_state, m_vram) -// AM_RANGE(0x6000, 0x6000) MC6845 address -// AM_RANGE(0x6001, 0x6001) MC6845 data + AM_RANGE(0x6000, 0x6000) AM_DEVWRITE("crtc", mc6845_address_w) + AM_RANGE(0x6001, 0x6001) AM_DEVREADWRITE("crtc", mc6845_register_r, mc6845_register_w) AM_RANGE(0x7000, 0xafff) AM_ROM ADDRESS_MAP_END @@ -78,6 +79,20 @@ static GFXDECODE_START( buster ) GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 0, 16 ) GFXDECODE_END +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_CONFIG_START( buster, buster_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80,8000000) /* ? MHz */ @@ -92,6 +107,7 @@ static MACHINE_CONFIG_START( buster, buster_state ) MCFG_SCREEN_SIZE(256, 256) MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-16-1) MCFG_SCREEN_UPDATE(buster) + MCFG_MC6845_ADD("crtc", MC6845, XTAL_3_579545MHz/4, mc6845_intf) //unknown clock / type MCFG_GFXDECODE(buster) MCFG_PALETTE_LENGTH(0x100) |