Supported Illegal Instructions - Chysn/VIC20-wAx2 GitHub Wiki

The following illegal opcodes are supported by wAx. These are recognized by the assembler automatically, and they are disassembled when you use the Extended Disassembler Tool (E).

• ANC
  • $0b ANC #immediate
  • $2b ANC #immediate
• SAX
  • $87 SAX zero page
  • $97 SAX zero page,y
  • $83 SAX (indirect,x)
  • $8f SAX absolute
• ARR
  • $6b ARR #immediate
• ASR
  • $4b ASR #immediate
• LXA
  • $ab LXA #immediate
• SHA
  • $9f SHA absolute,y
  • $93 SHA (indirect),y
• SBX
  • $cb SBX #immediate
• DCP
  • $c7 DCP zero page
  • $d7 DCP zero page,x
  • $cf DCP absolute
  • $df DCP absolute,x
  • $db DCP absolute,y
  • $c3 DCP (indirect,x)
  • $d3 DCP (indirect),y
• DOP
  • $04 DOP zero page
  • $14 DOP zero page,x
  • $34 DOP zero page,x
  • $44 DOP zero page
  • $54 DOP zero page,x
  • $64 DOP zero page
  • $74 DOP zero page,x
  • $80 DOP #immediate
  • $82 DOP #immediate
  • $89 DOP #immediate
  • $c2 DOP #immediate
  • $d4 DOP zero page,x
  • $e2 DOP #immediate
  • $f4 DOP zero page,x
• ISB
  • $e7 ISB zero page
  • $f7 ISB zero page,x
  • $ef ISB absolute
  • $ff ISB absolute,x
  • $fb ISB absolute,y
  • $e3 ISB (indirect,x)
  • $f3 ISB (indirect),y
• LAE
  • $bb LAE absolute,y
• LAX
  • $a7 LAX zero page
  • $b7 LAX zero page,y
  • $af LAX absolute
  • $bf LAX absolute,y
  • $a3 LAX (indirect,x)
  • $b3 LAX (indirect),y
• NOP
  • $1a NOP
  • $3a NOP
  • $5a NOP
  • $7a NOP
  • $da NOP
  • $fa NOP
• RLA
  • $27 RLA zero page
  • $37 RLA zero page,x
  • $2f RLA absolute
  • $3f RLA absolute,x
  • $3b RLA absolute,y
  • $23 RLA (indirect,x)
  • $33 RLA (indirect),y
• RRA
  • $67 RRA zero page
  • $77 RRA zero page,x
  • $6f RRA absolute
  • $7f RRA absolute,x
  • $7b RRA absolute,y
  • $63 RRA (indirect,x)
  • $73 RRA (indirect),y
• SBC
  • $eb SBC #immediate
• SLO
  • $07 SLO zero page
  • $17 SLO zero page,x
  • $0f SLO absolute
  • $1f SLO absolute,x
  • $1b SLO absolute,y
  • $03 SLO (indirect,x)
  • $13 SLO (indirect),y
• SRE
  • $47 SRE zero page
  • $57 SRE zero page,x
  • $4f SRE absolute
  • $5f SRE absolute,x
  • $5b SRE absolute,y
  • $43 SRE (indirect,x)
  • $53 SRE (indirect),y
• SHX
  • $9e SHX absolute,y
• SHY
  • $9c SHY absolute,x
• TOP
  • $0c TOP absolute
  • $1c TOP absolute,x
  • $3c TOP absolute,x
  • $5c TOP absolute,x
  • $7c TOP absolute,x
  • $dc TOP absolute,x
  • $fc TOP absolute,x
• ANE
  • $8b ANE #immediate
• SHS
  • $9b SHS absolute,y
• JAM (also supported: HLT)
  • $02 JAM