Altered device memory mapping.

This commit is contained in:
TomW 2013-10-19 17:06:55 +01:00
commit 7735e82085
43 changed files with 662 additions and 381 deletions

View file

@ -9,6 +9,8 @@
typedef struct hercules_t
{
mem_mapping_t mapping;
uint8_t crtc[32];
int crtcreg;
@ -59,9 +61,10 @@ void hercules_out(uint16_t addr, uint8_t val, void *p)
return;
case 0x3bf:
hercules->ctrl2 = val;
mem_removehandler(0xb8000, 0x08000, hercules_read, NULL, NULL, hercules_write, NULL, NULL, hercules);
if (val & 2)
mem_sethandler(0xb8000, 0x08000, hercules_read, NULL, NULL, hercules_write, NULL, NULL, hercules);
mem_mapping_set_addr(&hercules->mapping, 0xb0000, 0x10000);
else
mem_mapping_set_addr(&hercules->mapping, 0xb0000, 0x08000);
return;
}
}
@ -308,7 +311,7 @@ void *hercules_init()
hercules->vram = malloc(0x10000);
timer_add(hercules_poll, &hercules->vidtime, TIMER_ALWAYS_ENABLED, hercules);
mem_sethandler(0xb0000, 0x08000, hercules_read, NULL, NULL, hercules_write, NULL, NULL, hercules);
mem_mapping_add(&hercules->mapping, 0xb0000, 0x08000, hercules_read, NULL, NULL, hercules_write, NULL, NULL, hercules);
io_sethandler(0x03b0, 0x0010, hercules_in, NULL, NULL, hercules_out, NULL, NULL, hercules);
for (c = 0; c < 256; c++)