src/mess/machine/isa.c
| r14008 | r14009 | |
|---|
| 194 | 194 | m_maincpu->memory().space(AS_IO)->install_legacy_readwrite_handler(*dev, start, end, mask, mirror, rhandler, rhandler_name, whandler, whandler_name,0xffff); |
| 195 | 195 | break; |
| 196 | 196 | case 32: |
| 197 | | m_maincpu->memory().space(AS_IO)->install_legacy_readwrite_handler(*dev, start, end, mask, mirror, rhandler, rhandler_name, whandler, whandler_name,0xffffffff); |
| 197 | if ((start % 4) == 0) { |
| 198 | if ((end-start)==1) { |
| 199 | m_maincpu->memory().space(AS_IO)->install_legacy_readwrite_handler(*dev, start, end+2, mask, mirror, rhandler, rhandler_name, whandler, whandler_name,0x0000ffff); |
| 200 | } else { |
| 201 | m_maincpu->memory().space(AS_IO)->install_legacy_readwrite_handler(*dev, start, end, mask, mirror, rhandler, rhandler_name, whandler, whandler_name,0xffffffff); |
| 202 | } |
| 203 | } else { |
| 204 | // we handle just misalligned by 2 |
| 205 | m_maincpu->memory().space(AS_IO)->install_legacy_readwrite_handler(*dev, start-2, end, mask, mirror, rhandler, rhandler_name, whandler, whandler_name,0xffff0000); |
| 206 | } |
| 198 | 207 | break; |
| 199 | 208 | default: |
| 200 | 209 | fatalerror("ISA8: Bus width %d not supported", buswidth); |
| r14008 | r14009 | |
|---|
| 214 | 223 | m_maincpu->memory().space(AS_IO)->install_readwrite_handler(start, end, mask, mirror, rhandler, whandler, 0xffff); |
| 215 | 224 | break; |
| 216 | 225 | case 32: |
| 217 | | m_maincpu->memory().space(AS_IO)->install_readwrite_handler(start, end, mask, mirror, rhandler, whandler, 0xffffffff); |
| 226 | if ((start % 4) == 0) { |
| 227 | if ((end-start)==1) { |
| 228 | m_maincpu->memory().space(AS_IO)->install_readwrite_handler(start, end+2, mask, mirror, rhandler, whandler, 0x0000ffff); |
| 229 | } else { |
| 230 | m_maincpu->memory().space(AS_IO)->install_readwrite_handler(start, end, mask, mirror, rhandler, whandler, 0xffffffff); |
| 231 | } |
| 232 | } else { |
| 233 | // we handle just misalligned by 2 |
| 234 | m_maincpu->memory().space(AS_IO)->install_readwrite_handler(start-2, end, mask, mirror, rhandler, whandler, 0xffff0000); |
| 235 | } |
| 218 | 236 | break; |
| 219 | 237 | default: |
| 220 | 238 | fatalerror("ISA8: Bus width %d not supported", buswidth); |
src/mess/drivers/at.c
| r14008 | r14009 | |
|---|
| 559 | 559 | MCFG_ISA16_BUS_ADD("isabus", "maincpu", isabus_intf) |
| 560 | 560 | MCFG_ISA_ONBOARD_ADD("isabus", "fdc", ISA8_FDC, NULL) |
| 561 | 561 | MCFG_ISA_ONBOARD_ADD("isabus", "com", ISA8_COM_AT, NULL) |
| 562 | MCFG_ISA16_SLOT_ADD("isabus","isa1", pc_isa16_cards, NULL, NULL) |
| 563 | MCFG_ISA16_SLOT_ADD("isabus","isa2", pc_isa16_cards, NULL, NULL) |
| 564 | MCFG_ISA16_SLOT_ADD("isabus","isa3", pc_isa16_cards, NULL, NULL) |
| 565 | MCFG_ISA16_SLOT_ADD("isabus","isa4", pc_isa16_cards, NULL, NULL) |
| 562 | 566 | |
| 563 | 567 | MCFG_FRAGMENT_ADD( pcvideo_vga ) |
| 564 | 568 | |