195 lines
3.1 KiB
C
195 lines
3.1 KiB
C
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dword mem_init()
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{
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$push ebx
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$mov eax, 68
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$mov ebx, 11
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$int 0x40
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$pop ebx
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return EAX;
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}
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dword malloc(dword size)
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{
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$push ebx
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$push ecx
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$mov eax, 68
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$mov ebx, 12
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$mov ecx, size
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$int 0x40
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$pop ecx
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$pop ebx
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return EAX;
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}
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stdcall dword realloc(dword mptr, size)
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{
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$push ebx
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$push ecx
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$push edx
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$mov eax, 68
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$mov ebx, 20
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$mov ecx, size
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$mov edx, mptr
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$int 0x40
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$pop edx
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$pop ecx
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$pop ebx
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return EAX;
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}
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dword free(dword mptr)
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{
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$push eax
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$push ebx
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$push ecx
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$mov eax, 68
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$mov ebx, 13
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$mov ecx, mptr
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$test ecx, ecx
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$jz end0
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$int 0x40
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@end0:
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$pop ecx
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$pop ebx
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$pop eax
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return 0;
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}
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inline fastcall memmov( EDI, ESI, ECX)
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{
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asm {
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MOV EAX, ECX
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CMP EDI, ESI
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JG L1
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JE L2
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SAR ECX, 2
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JS L2
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REP MOVSD
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MOV ECX, EAX
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AND ECX, 3
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REP MOVSB
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JMP SHORT L2
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L1: LEA ESI, DSDWORD[ ESI+ECX-4]
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LEA EDI, DSDWORD[ EDI+ECX-4]
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SAR ECX, 2
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JS L2
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STD
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REP MOVSD
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MOV ECX, EAX
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AND ECX, 3
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ADD ESI, 3
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ADD EDI, 3
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REP MOVSB
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CLD
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L2:
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}
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}
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#define mem_Alloc malloc
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#define mem_ReAlloc realloc
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#define mem_Free free
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#define mem_Init mem_init
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/*:void fastcall memsetz( EDI, ECX)
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{
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asm {
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XOR EAX, EAX
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MOV EDX, ECX
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SHR ECX, 2
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REP STOSD
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MOV ECX, EDX
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AND ECX, 3
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REP STOSB
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}
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}
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:void fastcall memset( EDI, ECX, AL) //copy AL to EDI of ECX num (void *dest, size_t, char c )
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{
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asm {
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MOV AH, AL
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MOVZX EDX, AX
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SHL EAX, 16
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OR EAX, EDX
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MOV EDX, ECX
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SHR ECX, 2
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REP STOSD
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MOV ECX, EDX
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AND ECX, 3
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REP STOSB
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}
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}
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:void fastcall memsetd( EDI, ECX, EAX)
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{
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asm {
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REP STOSD
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}
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}
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:void fastcall memcpyd( EDI, ESI, ECX)
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{
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asm {
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REP MOVSD
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}
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}
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:void fastcall memmov( EDI, ESI, ECX)
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{
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asm {
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MOV EAX, ECX
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CMP EDI, ESI
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JG L1
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JE L2
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SAR ECX, 2
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JS L2
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REP MOVSD
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MOV ECX, EAX
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AND ECX, 3
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REP MOVSB
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JMP SHORT L2
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L1: LEA ESI, DSDWORD[ ESI+ECX-4]
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LEA EDI, DSDWORD[ EDI+ECX-4]
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SAR ECX, 2
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JS L2
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STD
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REP MOVSD
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MOV ECX, EAX
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AND ECX, 3
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ADD ESI, 3
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ADD EDI, 3
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REP MOVSB
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CLD
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L2:
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}
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}
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:long fastcall memcmp( ESI, EDI, ECX)
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{
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asm {
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MOV EAX, ECX
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SHR ECX, 2
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REPE CMPSD
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MOV ECX, EAX
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AND ECX, 3
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REPE CMPSB
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XOR EAX, EAX
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XOR ECX, ECX
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MOV AL, DSBYTE[ ESI-1]
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MOV CL, DSBYTE[ EDI-1]
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SUB EAX, ECX
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}
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}*/
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/*#define memzset memsetz
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#define memset0 memsetz
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#define mem0set memsetz
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#define memset32 memsetd
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#define memcpy32 memcpyd*/
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