From d5f2a3933bda17725ba90d22d973b926549388cf Mon Sep 17 00:00:00 2001 From: Roberto Zandona Date: Sat, 22 Jan 2011 19:30:11 +0000 Subject: [PATCH] cb2001: reworked interrupt [Alex Jackson] --- src/mame/drivers/cb2001.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/src/mame/drivers/cb2001.c b/src/mame/drivers/cb2001.c index 0aac0ce9059..f3d643c3343 100644 --- a/src/mame/drivers/cb2001.c +++ b/src/mame/drivers/cb2001.c @@ -44,6 +44,7 @@ this seems more like 8-bit hardware, maybe it should be v25, not v35... #include "cpu/nec/nec.h" #include "sound/ay8910.h" #include "machine/8255ppi.h" +#include "deprecat.h" #define xxxx 0x90 /* Unknown */ @@ -51,7 +52,7 @@ static const UINT8 cb2001_decryption_table[256] = { 0xe8,xxxx,xxxx,xxxx,0x80,0xe4,0x12,0x2f, 0x3c,xxxx,xxxx,0x23,xxxx,xxxx,xxxx,0x5f, /* 00 */ // ssss ---- **** pppp pppp ssss pppp pppp 0x86,xxxx,xxxx,0x27,0x1c,xxxx,xxxx,xxxx, 0x32,0x40,0xa0,0xd3,0x3a,0x14,0x89,0x1f, /* 10 */ -// wwww **** pppp pppp pppp pppp pppp ppp? pppp pppp ssss +// rrrr **** pppp pppp pppp pppp pppp ppp? pppp pppp ssss xxxx,0x8e,xxxx,0x0f,xxxx,0x49,0xb5,xxxx, 0x56,xxxx,xxxx,0x75,0x33,0xb6,xxxx,0x39, /* 20 */ // ssss ssss pppp pppp pppp ssss pppp pppp **** 0x89,xxxx,xxxx,xxxx,xxxx,0x22,0x5b,xxxx, xxxx,xxxx,0x74,xxxx,xxxx,0xa6,xxxx,0x74, /* 30 */ @@ -717,7 +718,10 @@ INPUT_PORTS_END static INTERRUPT_GEN( vblank_irq ) { - cpu_set_input_line_and_vector(device,0,HOLD_LINE,0x60/4); + if (cpu_getiloops(device) == 0) + cpu_set_input_line(device, NEC_INPUT_LINE_INTP0, ASSERT_LINE); + else + cpu_set_input_line(device, NEC_INPUT_LINE_INTP0, CLEAR_LINE); } static const gfx_layout cb2001_layout = @@ -813,7 +817,7 @@ static MACHINE_CONFIG_START( cb2001, driver_device ) MCFG_CPU_CONFIG(cb2001_config) MCFG_CPU_PROGRAM_MAP(cb2001_map) MCFG_CPU_IO_MAP(cb2001_io) - MCFG_CPU_VBLANK_INT("screen", vblank_irq) + MCFG_CPU_VBLANK_INT_HACK(vblank_irq, 2) MCFG_PPI8255_ADD( "ppi8255_0", cb2001_ppi8255_intf[0] ) MCFG_PPI8255_ADD( "ppi8255_1", cb2001_ppi8255_intf[1] ) @@ -872,3 +876,7 @@ GAME( 2001, scherrym, 0, cb2001, cb2001, 0, ROT0, "Dyna", "Super C + + + +