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Added PS/2 Model 55SX emulation.

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This commit is contained in:
SarahW 2017-04-09 14:52:02 +01:00
commit 6757fbfb94
9 changed files with 431 additions and 100 deletions
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36
src/mem.c
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@ -603,6 +603,20 @@ int loadbios()
fclose(f);
biosmask = 0x1ffff;
return 1;
case ROM_IBMPS2_M55SX:
f=romfopen("roms/i8555081/33f8146.zm41","rb");
ff=romfopen("roms/i8555081/33f8145.zm40","rb");
if (!f || !ff) break;
for (c = 0x0000; c < 0x20000; c += 2)
{
rom[c] = getc(f);
rom[c+1] = getc(ff);
}
fclose(ff);
fclose(f);
biosmask = 0x1ffff;
return 1;
}
printf("Failed to load ROM!\n");
if (f) fclose(f);
@ -1800,6 +1814,28 @@ void mem_init()
// pclog("Mem resize %i %i\n",mem_size,c);
}
void mem_remap_top_256k()
{
int c;
for (c = ((mem_size * 1024) >> 12); c < (((mem_size + 256) * 1024) >> 12); c++)
{
pages[c].mem = &ram[c << 12];
pages[c].write_b = mem_write_ramb_page;
pages[c].write_w = mem_write_ramw_page;
pages[c].write_l = mem_write_raml_page;
}
for (c = (mem_size / 256); c < ((mem_size + 256) / 256); c++)
{
isram[c] = 1;
if (c >= 0xa && c <= 0xd)
isram[c] = 0;
}
mem_set_mem_state(mem_size * 1024, 256 * 1024, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
mem_mapping_add(&ram_remapped_mapping, mem_size * 1024, 256 * 1024, mem_read_ram, mem_read_ramw, mem_read_raml, mem_write_ram, mem_write_ramw, mem_write_raml, ram + (mem_size * 1024), MEM_MAPPING_INTERNAL, NULL);
}
void mem_remap_top_384k()
{
int c;