59 lines
2.7 KiB
Plaintext
59 lines
2.7 KiB
Plaintext
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OK,
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This is Rich again. I found those Op. Codes for you. If you need any
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of the other material on them, they are in the 18th issue of Hardcore
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Computist. Other than this list of Op. Codes, all there is on the 65c02 is
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a Question/Answer section.
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So here's the list:
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_____________________________________________________________________
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| New Instructions |
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| ------------------------------------------------ |
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| Instructions Op Code Description |
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| ------------ ------- ----------- |
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| BRA 80 Branch Alway (Realitive) |
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| PHX DA Push X on Stack |
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| PHY 5A Push Y on Stack |
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| PLX FA Pull X from stack |
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| PLY 7A Pull Y from Stack |
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| STZ 9C Store a zero in memory (Absolute) |
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| STZ 9E Store a zero in memory (Absolute,X) |
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| STZ 64 Store a zero in memory (Zero page) |
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| STZ 74 Store a zero in memory (Zero page,X)|
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| TRB 1C Test + reset bits w/Accum. (Absolute)
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| TRB 14 Test + reset bits w/accum. (0 Page) |
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| TSB 0C Test + set bits w/accum. (Absolute) |
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| TSB 04 Test + set bits w/accum. ( 0 Page) |
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|___________________________________________________________________|
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_____________________________________________________________________
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| Additional Instruction Addressing Modes |
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| ------------------------------------------------------ |
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| Instruction Op Code Description |
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| ----------- ------- ----------- |
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| ADC 72 Add memory to Accum. w/carry (Zero Page|
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| AND 32 AND memory with Accum. (Zero Page) |
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| BIT 3C Test mem. bits w/Accum.(Zero Page,X) |
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| BIT 34 " " " " " " " " |
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| CMP D2 Compare mem. w/Accum.(Zero Page,X) |
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| EOR 52 Exclusive OR w/Accum.(Zero Page) |
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| JMP 7C Jump (Absolute(Indirect,X)) |
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| LDA B2 Load Accum. W/memory (Zero page indir.)|
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| ORA 12 OR memory w/Accum. (Zero Page) |
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| SBC F2 Subtract from Accum. w/borrow (0 page) |
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| STA 92 Store Accum. in memory (Zero page) |
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|___________________________________________________________________|
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That's the best I can do. There were no further articles on the
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Instructions. I hope it helps you out. Catch you later.
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Some Dude (Rich)
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