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machine/i82371sb.cpp: reduce PIT range

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This commit is contained in:
angelosa 2024-10-03 20:38:52 +02:00
parent 34b2f5fa7d
commit d7211e631d
1 changed files with 2 additions and 1 deletions
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src/devices/machine/i82371sb.cpp
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@ -37,7 +37,8 @@ void i82371sb_isa_device::internal_io_map(address_map &map)
map(0x0000, 0x001f).rw("dma8237_1", FUNC(am9517a_device::read), FUNC(am9517a_device::write));
map(0x0020, 0x0021).rw("pic8259_master", FUNC(pic8259_device::read), FUNC(pic8259_device::write));
// map(0x002e, 0x002f) Super I/O config
map(0x0040, 0x005f).rw("pit8254", FUNC(pit8254_device::read), FUNC(pit8254_device::write));
map(0x0040, 0x0043).rw("pit8254", FUNC(pit8254_device::read), FUNC(pit8254_device::write));
// map(0x004e, 0x004f) Alt Super I/O config, watchdog-ish in thinkpad600e
map(0x0061, 0x0061).rw(FUNC(i82371sb_isa_device::at_portb_r), FUNC(i82371sb_isa_device::at_portb_w));
// map(0x0070, 0x0070) RTC address, bit 7 NMI enable
// map(0x0071, 0x0071) RTC data