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Altered device memory mapping.

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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
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16
src/um8881f.c
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@ -15,9 +15,9 @@ void um8881f_write(int func, int addr, uint8_t val, void *priv)
if ((card_16[0x54] ^ val) & 0x01)
{
if (val & 1)
mem_sethandler(0xe0000, 0x10000, mem_read_ram, mem_read_ramw, mem_read_raml, mem_write_ram, mem_write_ramw, mem_write_raml, NULL);
mem_bios_set_state(0xe0000, 0x10000, 1, 1);
else
mem_sethandler(0xf0000, 0x10000, mem_read_bios, mem_read_biosw, mem_read_biosl, NULL, NULL, NULL , NULL);
mem_bios_set_state(0xe0000, 0x10000, 0, 0);
}
flushmmucache_nopc();
}
@ -27,10 +27,10 @@ void um8881f_write(int func, int addr, uint8_t val, void *priv)
{
switch (val & 0xc0)
{
case 0x00: mem_sethandler(0xf0000, 0x10000, mem_read_bios, mem_read_biosw, mem_read_biosl, mem_write_ram, mem_write_ramw, mem_write_raml, NULL); break;
case 0x40: mem_sethandler(0xf0000, 0x10000, mem_read_bios, mem_read_biosw, mem_read_biosl, NULL, NULL, NULL , NULL); break;
case 0x80: mem_sethandler(0xf0000, 0x10000, mem_read_ram, mem_read_ramw, mem_read_raml, mem_write_ram, mem_write_ramw, mem_write_raml, NULL); break;
case 0xc0: mem_sethandler(0xf0000, 0x10000, mem_read_ram, mem_read_ramw, mem_read_raml, NULL, NULL, NULL , NULL); break;
case 0x00: mem_bios_set_state(0xf0000, 0x10000, 0, 1); break;
case 0x40: mem_bios_set_state(0xf0000, 0x10000, 0, 0); break;
case 0x80: mem_bios_set_state(0xf0000, 0x10000, 1, 1); break;
case 0xc0: mem_bios_set_state(0xf0000, 0x10000, 1, 0); break;
}
shadowbios = val & 0x80;
shadowbios_write = !(val & 0x40);
@ -56,9 +56,7 @@ uint8_t um8886f_read(int func, int addr, void *priv)
{
return card_18[addr];
}
void um8881f_init()
{
pci_add_specific(16, um8881f_read, um8881f_write, NULL);