80 lines
1.3 KiB
Plaintext
80 lines
1.3 KiB
Plaintext
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macro use32on64?
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define esp rsp
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define promote
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iterate <reg32,reg64>, eax,rax, ebx,rbx, ecx,rcx, edx,rdx, esi,rsi, edi,rdi, esp,rsp, ebp,rbp
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promote.reg32? equ reg64
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end iterate
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iterate instr, jmp,call
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calminstruction instr? arg
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local tmp
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match [tmp], arg
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jyes zero_extend
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transform arg, promote
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arrange tmp, =instr arg
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assemble tmp
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exit
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zero_extend:
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arrange tmp, =mov =r8d,[tmp]
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assemble tmp
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arrange tmp, =instr =r8
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assemble tmp
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end calminstruction
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end iterate
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calminstruction push? arg
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local car, cdr
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match car cdr?, arg
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loop:
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transform car, promote
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jno non_reg
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arrange car, =push car
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assemble car
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match car cdr?, cdr
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jyes loop
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exit
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non_reg:
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arrange tmp, =mov =r8d,arg
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assemble tmp
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arrange tmp, =push =r8
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assemble tmp
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exit
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end calminstruction
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calminstruction pop? arg
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local car, cdr
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match car cdr?, arg
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loop:
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transform car, promote
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jno non_reg
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arrange car, =pop car
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assemble car
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match car cdr?, cdr
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jyes loop
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exit
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non_reg:
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arrange tmp, =pop =r8
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assemble tmp
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arrange tmp, =mov arg,=r8d
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assemble tmp
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exit
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end calminstruction
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macro jecxz? target
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if target-($+1) < 80h & target-($+1) >= -80h
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jecxz target
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else
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local j,k
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jecxz j
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jmp k
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j: jmp target
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k:
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end if
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end macro
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end macro
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