49 lines
2.0 KiB
Markdown
49 lines
2.0 KiB
Markdown
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yagsdisasm - Yet Another GS Disassembler
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========================================
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yagsdisasm is written in PHP, which may be an unfortunate choice of languages to many, but is nearly-universally available and makes for a product that's easy to modify, when written properly.
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the disassembly engine is largely inspired by Andy McFadden's Ciderpress disassembly engine, which is why we copy his license terms in LICENSE.txt
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as of 5/25/2016, the project is only a couple hours old and is a proof of concept. future revisions to come later
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### Example Run:
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$ php yagsdisasm.php -x 0 -m 0 -e 0 -f /Applications/Emulation/Apple\ IIGS/images/WhatIs/Alien\ Mind/Alien\ Mind\ Dk1.2mg -s 1 -n 1 -k 1 -o 801| more
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ORG 000801
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MX %00
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000801- 0A ASL
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000802- A9 10 00 LDA #0010
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000805- 8D 9F 0A STA 0A9F
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000808- A9 00 01 LDA #0100
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00080B- 8D A1 0A STA 0AA1
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00080E- 60 RTS
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00080F- 20 62 09 JSR 0962
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000812- F4 00 00 PEA 0000
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000815- F4 07 00 PEA 0007
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000818- F4 00 20 PEA 2000
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00081B- F4 00 40 PEA 4000
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00081E- F4 00 00 PEA 0000
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000821- F4 36 0A PEA 0A36
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000824- F4 00 00 PEA 0000
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000827- F4 3A 0A PEA 0A3A
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00082A- A2 03 27 LDX #2703
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00082D- 22 00 00 E1 JSL E10000 ; Toolbox: UnPackBytes(@Buff,BfSz,@StartPtr,@Sz):Size
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000831- 68 PLA
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000832- 8D 00 03 STA 0300
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000835- 60 RTS
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000836- 00 20 BRK 20
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000838- E1 00 SBC (00,X)
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00083A- 00 80 BRK 80
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00083C- 20 67 09 JSR 0967
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00083F- 2C 10 C0 BIT C010 ; r:KBDSTRB
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000842- AD 00 C0 LDA C000 ; r:KBD w:CLR80COL
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000845- 30 13 BMI 085A {+13}
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000847- AD 61 C0 LDA C061 ; r:BUTN0
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00084A- 30 0E BMI 085A {+0E}
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00084C- AD 62 C0 LDA C062 ; r:BUTN1
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00084F- 30 09 BMI 085A {+09}
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000851- AD 27 C0 LDA C027 ; rw:KMSTATUS
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000854- 89 80 D0 BIT #D080
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