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Maps in "the interrupt ROM addresses".

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Thomas Harte 2020-10-30 21:42:43 -04:00
parent a833bb892b
commit 2be817a6a1
1 changed files with 8 additions and 0 deletions
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8
Machines/Apple/AppleIIgs/AppleIIgs.cpp
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@ -191,6 +191,14 @@ class ConcreteMachine:
case 0xc054: case 0xc055: case 0xc056: case 0xc057:
break;
// Interrupt ROM addresses; Cf. P25 of the Hardware Reference.
case 0xc071: case 0xc072: case 0xc073: case 0xc074: case 0xc075: case 0xc076: case 0xc077:
case 0xc078: case 0xc079: case 0xc07a: case 0xc07b: case 0xc07c: case 0xc07d: case 0xc07e: case 0xc07f:
if(isReadOperation(operation)) {
*value = rom_[rom_.size() - 65536 + (address & 0xffff)];
}
break;
default:
if((address & 0xffff) < 0xc100) {
// TODO: all other IO accesses.