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Corrects read/write access to auxiliary soft switches.

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This commit is contained in:
Thomas Harte 2020-10-24 19:00:03 -04:00
parent ddd84db510
commit 726b5f62bb
2 changed files with 24 additions and 14 deletions
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4
Machines/Apple/AppleII/AppleII.cpp
View File

@ -598,13 +598,13 @@ template <Analyser::Static::AppleII::Target::Model model> class ConcreteMachine:
case 0xc054:
case 0xc055:
update_video();
video_.set_page2(!!(address&1));
video_.set_page2(address&1);
auxiliary_switches_.access(address, isReadOperation(operation));
break;
case 0xc056:
case 0xc057:
update_video();
video_.set_high_resolution(!!(address&1));
video_.set_high_resolution(address&1);
auxiliary_switches_.access(address, isReadOperation(operation));
break;

34
Machines/Apple/AppleII/AuxiliaryMemorySwitches.hpp
View File

@ -104,41 +104,51 @@ template <typename Machine> class AuxiliaryMemorySwitches {
return;
}
if(is_read) return;
if(address < 0xc000 || address >= 0xc058) return;
switch(address) {
default: break;
case 0xc000: case 0xc001:
switches_.store_80 = address & 1;
set_main_paging();
if(!is_read) {
switches_.store_80 = address & 1;
set_main_paging();
}
break;
case 0xc002: case 0xc003:
switches_.read_auxiliary_memory = address & 1;
set_main_paging();
if(!is_read) {
switches_.read_auxiliary_memory = address & 1;
set_main_paging();
}
break;
case 0xc004: case 0xc005:
switches_.write_auxiliary_memory = address & 1;
set_main_paging();
if(!is_read) {
switches_.write_auxiliary_memory = address & 1;
set_main_paging();
}
break;
case 0xc006: case 0xc007:
switches_.internal_CX_rom = address & 1;
set_card_paging();
if(!is_read) {
switches_.internal_CX_rom = address & 1;
set_card_paging();
}
break;
case 0xc008: case 0xc009:
if(switches_.alternative_zero_page != bool(address & 1)) {
if(!is_read && switches_.alternative_zero_page != bool(address & 1)) {
switches_.alternative_zero_page = address & 1;
set_zero_page_paging();
}
break;
case 0xc00a: case 0xc00b:
switches_.slot_C3_rom = address & 1;
set_card_paging();
if(!is_read) {
switches_.slot_C3_rom = address & 1;
set_card_paging();
}
break;
case 0xc054: case 0xc055: