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ISC also reads A – fixed bug that appeared due to optimization

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This commit is contained in:
Karol Stasiak 2017-12-18 10:08:57 +01:00
parent ae1bc96da7
commit 2779671300
1 changed files with 2 additions and 2 deletions
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4
src/main/scala/millfork/assembly/AssemblyLine.scala
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@ -12,13 +12,13 @@ object OpcodeClasses {
val ReadsAAlways = Set(
ADC, AND, BIT, CMP, EOR, ORA, PHA, SBC, STA, TAX, TAY,
SAX, SBX, ANC, DCP
SAX, SBX, ANC, DCP, ISC, RRA, RLA, SRE, SLO, LXA, XAA, AHX, TAS
)
val ReadsAIfImplied = Set(ASL, LSR, ROL, ROR, INC, DEC)
val ReadsXAlways = Set(
CPX, DEX, INX, STX, TXA, TXS, SBX,
PLX,
XAA, SAX, AHX, SHX
XAA, SAX, AHX, SHX, TAS
)
val ReadsYAlways = Set(CPY, DEY, INY, STY, TYA, PLY, SHY)
val ReadsZ = Set(BNE, BEQ, PHP)