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- ****************************************************************************
- * "ISAN" © Instruction Stream ANalyzer Configuration file
- * Format: Base Opcode, Don't Care Mask, Instruction Name (no spaces please)
- * (Any lines not starting with a '$' are ignored)
- ****************************************************************************
-
-
- * The following two lines work but can be achieved automatically (and more
- * efficiently) by adding the "TOTAL" command line switch.
-
- *$0000,$FFFF," -- TOTAL -- " ;OUCH !! matches all 64K combinations!
- *$FFFF,$0000,"---------------"
-
- *---------------------------------------------------------------------
- * WATCH HOW YOU USE THE DON'T CARE MASK FIELD, THE MORE 1s IN IT, THE
- * SLOWER "ISAN" WILL BE AT UPDATING ITS WINDOW !!
- * |
- * |
- * V
- *---------------------------------------------------------------------
-
- * /-------------------- Opcode template
- * |
- * | /-------------- Opcode "don't care" mask (any 1 bits can be either 1 or 0)
- * | |
- * | | /-------- Opcode Label (give it anything you want !)
- * V V V
-
- $6100,$00FF,"BSR" ;does it have loads of user routines ?
- $4E75,$0000,"RTS" ;program broken down in many subroutines ?
-
- $2C78,$0000,"MOVE.L short,a6" ;does program get _AbsExecBase often ?
- $4EAE,$0000,"JSR offs(A6)" ;does program call system often ?
- $4E55,$0000,"LINK #x,A5" ;is it likely to be C (creation of dynamic vars)
- $4E5D,$0000,"UNLK A5" ;is it likely to be C ? (freeing of dyna vars)
- $4878,$0000,"PEA short"
- $4879,$0000,"PEA long"
-
- $10C0,$0E07,"MOVE.B Dn,(An)+" ;lots of character based operations ?
- $1018,$0E07,"MOVE.B (An)+,Dn" ;
- $10D8,$0E07,"MOVE.B (An)+,(An)+" ;copying a lot of stuff ?
-
- $48E7,$0000,"MOVEM.L list,-(SP)" ;scared to corrupt registers ?
- $4CDF,$0000,"MOVEM.L (SP)+,list"
-
- $13C0,$0007,"MOVE.B Dn,abs long" ;writing to byte I/O registers ?
-
- $7000,$0E00,"MOVEQ #0,Dn" ;uses constant 0 a lot ?
- $7001,$0E00,"MOVEQ #1,Dn" ;uses constant 1 a lot ?
- $7002,$0E00,"MOVEQ #2,Dn" ;uses constant 2 a lot ?
- $70FF,$0E00,"MOVEQ #-1,Dn" ;uses constant -1 a lot ?
- $7000,$0EFF,"MOVEQ #X,Dn" ;uses MOVEQ in general ?
-
- $51C8,$0007,"DBRA Dn,label" ;SUB/BNE or DBRA ?
-
- $5040,$0E07,"ADDQ.W #X,Dn" ;does it use the quick forms or not *?
- $508F,$0EC0,"ADDQ.x #X,SP" ;does it use controlled garbage accumulation?*
-
- $4EB8,$0000,"JSR abs short" ;jsr to short 64K address space ?? (virus ?)
- $4EB9,$0000,"JSR abs long" ;relocatable only because of LoadSeg() !
-
- $6000,$0000,"BRA.L" ;does it have lots of inefficient branches ?
- $6600,$00FF,"BNE"
- $6700,$00FF,"BEQ"
- $6400,$00FF,"BCC"
- $6500,$00FF,"BCS"
- $6A00,$00FF,"BPL"
- $6B00,$00FF,"BMI"
- $4A80,$0007,"TST.L Dn" ;probably not assembler ...(MOVEs set flags)
- $E508,$00C7,"LSL.x #2,Dn" ;doing manual index scaling ? (not 020 code)
-
- $80FC,$0E3F,"DIVU ea,Dn" ;aha... need to convert to decimal maybe ?
- $81FC,$0E3F,"DIVS ea,Dn"
- $C0FC,$0E3F,"MULU ea,Dn"
- $C1FC,$0E3F,"MULS ea,Dn"
-
- $4E76,$0000,"TRAPV" ;is it compiled HLL with run-time checks on ?
- $4E40,$000F,"TRAP #X"
- $4840,$0007,"SWAP Dn"
- $0800,$003F,"BTST"
- $0840,$003F,"BCHG"
- $0880,$003F,"BCLR"
- $08C0,$003F,"BSET"
-
- $4E71,$0000,"NOP" ;time to waste.. (not on MY machine you have!)
- ;or internal CPU syncing.
- $4E54,$0000,"LINK #x,A4" ;
- $4E5C,$0000,"UNLK A4" ;
- $0000,$0000,"OR.B #x,D0" ;range snooping debugging examples
- $0001,$0000,"OR.B #x,D1"
- $0001,$0001,"OR.B #x,D0-D1"
-