cf.sbk

3D 游戏界的大牛人 John Carmack 终于放出了 Q3 的源代码

.486
.model flat
extrn __fltused:near
extrn __ftol:near
public _main
_TEXT segment
_main:
push ebx
push esi
push edi
push ebp
mov ebp,esp
sub esp,24
cmp dword ptr (20)[ebp],1
jg L2
fld dword ptr (L4)
fstp dword ptr (-16)[ebp]
jmp L3
L2:
mov edi,dword ptr (24)[ebp]
mov edi,dword ptr (4)[edi]
push edi
call _atof
add esp,4
fstp dword ptr (-20)[ebp]
fld dword ptr (-20)[ebp]
fdiv dword ptr (L5)
fstp dword ptr (-16)[ebp]
L3:
mov dword ptr (-4)[ebp],0
L6:
mov edi,dword ptr (-4)[ebp]
lea esi,(1)[edi]
mov dword ptr (-4)[ebp],esi
fld dword ptr (L4)
fstp dword ptr (_f)[edi*4]
L7:
cmp dword ptr (-4)[ebp],127
jle L6
mov dword ptr (-8)[ebp],0
jmp L11
L10:
mov edi,dword ptr (-12)[ebp]
lea edi,(_f)[edi*4]
fld dword ptr [edi]
fadd dword ptr (L13)
fstp dword ptr [edi]
inc dword ptr (-8)[ebp]
L11:
call _getchar
add esp,0
mov dword ptr (-12)[ebp],eax
cmp eax,-1
jne L10
lea edi,(L14)
push edi
call _printf
add esp,4
mov dword ptr (-4)[ebp],0
L15:
mov edi,dword ptr (-4)[ebp]
fld dword ptr (_f)[edi*4]
fstp dword ptr (-24)[ebp]
fld dword ptr (L4)
fcomp dword ptr (-24)[ebp]
fstsw ax
sahf
je L19
fld dword ptr (-24)[ebp]
mov edi,dword ptr (-8)[ebp]
push edi
fild dword ptr 0[esp]
add esp,4
fdivp st(1),st
fld dword ptr (-16)[ebp]
fcompp
fstsw ax
sahf
ja L19
cmp dword ptr (-4)[ebp],32
jg L21
mov edi,dword ptr (-4)[ebp]
push edi
lea edi,(L23)
push edi
call _printf
add esp,8
jmp L22
L21:
mov edi,dword ptr (-4)[ebp]
push edi
lea edi,(L24)
push edi
call _printf
add esp,8
L22:
fld dword ptr (L5)
mov edi,dword ptr (-4)[ebp]
fmul dword ptr (_f)[edi*4]
mov edi,dword ptr (-8)[ebp]
push edi
fild dword ptr 0[esp]
add esp,4
fdivp st(1),st
sub esp,8
fstp qword ptr [esp]
lea edi,(L25)
push edi
call _printf
add esp,12
L19:
L16:
inc dword ptr (-4)[ebp]
cmp dword ptr (-4)[ebp],127
jle L15
mov eax,0
L1:
mov esp,ebp
pop ebp
pop edi
pop esi
pop ebx
ret
_TEXT ends
extrn _printf:near
_TEXT segment
_TEXT ends
extrn _getchar:near
_TEXT segment
_TEXT ends
extrn _atof:near
_TEXT segment
_TEXT ends
_DATA segment
public _f
align 4
_f label byte
db 512 dup (0)
_DATA ends
_TEXT segment
align 1
L25 label byte
db 9
db 37
db 46
db 49
db 102
db 10
db 0
align 1
L24 label byte
db 37
db 99
db 0
align 1
L23 label byte
db 37
db 48
db 51
db 111
db 0
align 1
L14 label byte
db 99
db 104
db 97
db 114
db 9
db 102
db 114
db 101
db 113
db 10
db 0
align 4
L13 label byte
dd 03f800000H
align 4
L5 label byte
dd 042c80000H
align 4
L4 label byte
dd 00H
_TEXT ends
end