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C64: another tiny fix

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also document conversion approach
This commit is contained in:
tildearrow 2023-10-29 03:04:55 -05:00
parent 592a3f102a
commit e29113c926
3 changed files with 47 additions and 4 deletions
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9
src/engine/instrument.cpp
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@ -3477,8 +3477,13 @@ void DivInstrument::convertC64SpecialMacro() {
std.ex4Macro.val[i]=(std.ex4Macro.val[i]&1)?9:1;
}
// merge ex3 into ex4
if (std.ex3Macro.len>0) {
// merge ex3 into ex4 if viable to
if (std.ex3Macro.len>0 && !(std.ex3Macro.open&6)) {
if (std.ex4Macro.len>0 && std.ex4Macro.len<maxLen) {
for (int i=std.ex4Macro.len; i<maxLen; i++) {
std.ex4Macro.val[i]=std.ex3Macro.val[std.ex4Macro.len-1];
}
}
for (int i=0; i<maxLen; i++) {
if (i>=std.ex3Macro.len) {
std.ex4Macro.val[i]|=(std.ex3Macro.val[std.ex3Macro.len-1]&3)<<1;