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https://github.com/KolibriOS/kolibrios.git
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116 lines
1.6 KiB
PHP
116 lines
1.6 KiB
PHP
;-------------------------
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;
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; ASM JJ's 2 C macros ;-)
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;
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; version history:
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;
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; *0.01(02/08/05): if_e, if_ne, if_a, if_b
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; *0.02(02/09/05): push_abc, pop_abc
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; ch_sign, abs
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;
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; E.X.: if_e dword [x],100,.end_if
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; if x = 100 do the instrucsions to .end_if:
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; ==
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macro if_e arg1,arg2,label
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{
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if arg1 eq 0 | arg2 eq 0 | arg1 eqtype 12 | arg2 eqtype 12
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cmp arg1,arg2
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jne label
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else
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push edx
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mov edx,arg1
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cmp edx,arg2
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pop edx
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jne label
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end if
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}
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; !=
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macro if_ne arg1,arg2,label
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{
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if arg1 eq 0 | arg2 eq 0 | arg1 eqtype 12 | arg2 eqtype 12
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cmp arg1,arg2
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je label
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else
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push edx
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mov edx,arg1
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cmp edx,arg2
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pop edx
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je label
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end if
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}
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; >
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macro if_a arg1,arg2,label
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{
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if arg1 eq 0 | arg2 eq 0 | arg1 eqtype 12 | arg2 eqtype 12
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cmp arg1,arg2
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jbe label
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else
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push edx
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mov edx,arg1
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cmp edx,arg2
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pop edx
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jbe label
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end if
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}
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; <
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macro if_b arg1,arg2,label
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{
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if arg1 eq 0 | arg2 eq 0 | arg1 eqtype 12 | arg2 eqtype 12
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cmp arg1,arg2
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jae label
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else
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push edx
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mov edx,arg1
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cmp edx,arg2
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pop edx
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jae label
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end if
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}
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macro push_abc
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{
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push eax
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push ebx
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push ecx
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push edx
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push edi
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push esi
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}
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macro pop_abc
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{
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pop esi
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pop edi
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pop edx
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pop ecx
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pop ebx
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pop eax
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}
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UNDER_0 equ 0x7FFFFFFF
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; changes sign e.x. ch_sign -1 = 1
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macro ch_sign arg
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{
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push edx
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mov edx,0
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sub edx,arg
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pop edx
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}
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; absolut e.x. abs -24 = 24
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macro abs arg
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{
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local .end_if
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if_a arg,UNDER_0,.end_if
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ch_sign arg
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.end_if:
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}
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;---------------------------------------
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