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slc1: add note

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This commit is contained in:
hap 2021-04-27 10:38:31 +02:00
parent 58d3be06df
commit 673eb3a814
1 changed files with 32 additions and 30 deletions
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8
src/mame/drivers/slc1.cpp
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@ -46,7 +46,11 @@ Pasting doesn't work, but if it did...
[[[[[-510011^22^33^44^55^66^77^H8H8^H9H9^-5100 [[[[[-510011^22^33^44^55^66^77^H8H8^H9H9^-5100
Now press up-arrow to confirm the data has been entered. Now press up-arrow to confirm the data has been entered.
TODO:
- Make emulation more faithful, io_w doesn't make much sense from
a TTL wiring point of view.
- Likewise, having 2 auto-switching input mappings is convenient,
but not at all how the hardware works.
***************************************************************************/ ***************************************************************************/
@ -207,7 +211,6 @@ void slc1_state::machine_reset()
void slc1_state::mem_map(address_map &map) void slc1_state::mem_map(address_map &map)
{ {
map.unmap_value_high();
map.global_mask(0x4fff); map.global_mask(0x4fff);
map(0x0000, 0x0fff).rom(); map(0x0000, 0x0fff).rom();
map(0x4000, 0x43ff).ram().mirror(0xc00); map(0x4000, 0x43ff).ram().mirror(0xc00);
@ -215,7 +218,6 @@ void slc1_state::mem_map(address_map &map)
void slc1_state::io_map(address_map &map) void slc1_state::io_map(address_map &map)
{ {
map.unmap_value_high();
map(0x0000, 0xffff).rw(FUNC(slc1_state::io_r), FUNC(slc1_state::io_w)); map(0x0000, 0xffff).rw(FUNC(slc1_state::io_r), FUNC(slc1_state::io_w));
} }