6502/millfork
1
0
Fork 0
mirror of https://github.com/KarolS/millfork.git synced 2025-04-04 22:29:32 +00:00
Code Issues Projects Releases Wiki Activity

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

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/main/scala/millfork/assembly/AssemblyLine.scala
View File

@ -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)