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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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15
src/vid_paradise.c
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@ -65,21 +65,20 @@ void paradise_out(uint16_t addr, uint8_t val, void *p)
{
if ((svga->gdcreg[6] & 0xc) != (val & 0xc))
{
mem_removehandler(0xa0000, 0x20000, paradise_read, NULL, NULL, paradise_write, NULL, NULL, paradise);
// pclog("Write mapping %02X\n", val);
switch (val&0xC)
{
case 0x0: /*128k at A0000*/
mem_sethandler(0xa0000, 0x20000, paradise_read, NULL, NULL, paradise_write, NULL, NULL, paradise);
mem_mapping_set_addr(&svga->mapping, 0xa0000, 0x20000);
break;
case 0x4: /*64k at A0000*/
mem_sethandler(0xa0000, 0x10000, paradise_read, NULL, NULL, paradise_write, NULL, NULL, paradise);
mem_mapping_set_addr(&svga->mapping, 0xa0000, 0x10000);
break;
case 0x8: /*32k at B0000*/
mem_sethandler(0xb0000, 0x08000, paradise_read, NULL, NULL, paradise_write, NULL, NULL, paradise);
mem_mapping_set_addr(&svga->mapping, 0xb0000, 0x08000);
break;
case 0xC: /*32k at B8000*/
mem_sethandler(0xb8000, 0x08000, paradise_read, NULL, NULL, paradise_write, NULL, NULL, paradise);
mem_mapping_set_addr(&svga->mapping, 0xb8000, 0x08000);
break;
}
}
@ -260,6 +259,9 @@ void *paradise_pvga1a_init()
paradise_in, paradise_out,
NULL);
mem_mapping_set_handler(&paradise->svga.mapping, paradise_read, NULL, NULL, paradise_write, NULL, NULL);
mem_mapping_set_p(&paradise->svga.mapping, paradise);
svga->crtc[0x31] = 'W';
svga->crtc[0x32] = 'D';
svga->crtc[0x33] = '9';
@ -287,6 +289,9 @@ void *paradise_wd90c11_init()
paradise_in, paradise_out,
NULL);
mem_mapping_set_handler(&paradise->svga.mapping, paradise_read, NULL, NULL, paradise_write, NULL, NULL);
mem_mapping_set_p(&paradise->svga.mapping, paradise);
svga->crtc[0x31] = 'W';
svga->crtc[0x32] = 'D';
svga->crtc[0x33] = '9';