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Fix strobe pass-through

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Will Scullin 2021-03-07 04:56:41 -08:00
parent b687dd9ac3
commit 2958fe53c1
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GPG Key ID: 26DCD1042C6638CD
1 changed files with 5 additions and 3 deletions
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8
js/mmu.ts
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@ -538,8 +538,8 @@ export default class MMU implements Memory, Restorable<MMUState> {
// Status registers
_accessStatus(off: byte, _val?: byte) {
let result = 0;
_accessStatus(off: byte, val?: byte) {
let result = undefined;
switch(off) {
case LOC.BSRBANK2:
@ -596,6 +596,8 @@ export default class MMU implements Memory, Restorable<MMUState> {
case LOC.RDALTCH:
result = this.vm.isAltChar() ? 0x80 : 0x0;
break;
default:
result = this.io.ioSwitch(off, val);
}
return result;
@ -773,7 +775,7 @@ export default class MMU implements Memory, Restorable<MMUState> {
case 0x1:
if (writeMode) {
this.io.ioSwitch(off);
this.io.ioSwitch(off, val);
} else {
result = this._accessStatus(off, val);
}