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Implemented NMI mask register for XT machines.

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Fixed PC200 NMI stuff.
This commit is contained in:
TomW 2014-09-27 18:39:06 +01:00
commit 7eacf1408a
9 changed files with 54 additions and 8 deletions
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5
src/vid_pc200.c
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@ -90,10 +90,11 @@ uint8_t pc200_in(uint16_t addr, void *p)
case 0x3DD:
temp = pc200->reg_3dd;
pc200->reg_3dd &= 0x1f;
nmi = 0;
return temp;
case 0x3DE:
return (pc200->reg_3de & 0xc7) | 0x18; /*External CGA*/
return (pc200->reg_3de & 0xc7) | 0x10; /*External CGA*/
case 0x3DF:
return pc200->reg_3df;
@ -113,7 +114,7 @@ void *pc200_init()
timer_add(cga_poll, &cga->vidtime, TIMER_ALWAYS_ENABLED, cga);
mem_mapping_add(&pc200->mapping, 0xb8000, 0x08000, cga_read, NULL, NULL, cga_write, NULL, NULL, NULL, 0, cga);
io_sethandler(0x03d0, 0x0010, pc200_in, NULL, NULL, pc200_out, NULL, NULL, pc200);
return cga;
return pc200;
}
void pc200_close(void *p)