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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2811 | leency | 1 | //mem.Init |
| 2 | dword mem_Init() |
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| 3 | { |
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| 4 | $push ebx |
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| 5 | $mov eax, 68 |
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| 6 | $mov ebx, 11 |
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| 7 | $int 0x40 |
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| 8 | |||
| 9 | $pop ebx |
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| 10 | return EAX; |
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| 11 | } |
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| 12 | |||
| 13 | //mem.Alloc |
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| 14 | dword mem_Alloc(dword size) |
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| 15 | { |
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| 16 | $push ebx |
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| 17 | $push ecx |
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| 18 | $mov eax, 68 |
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| 19 | $mov ebx, 12 |
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| 20 | $mov ecx, size |
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| 21 | $int 0x40 |
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| 22 | |||
| 23 | $pop ecx |
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| 24 | $pop ebx |
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| 25 | return EAX; |
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| 26 | } |
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| 27 | |||
| 28 | //mem.ReAlloc |
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| 29 | stdcall dword mem_ReAlloc(dword mptr, size) |
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| 30 | { |
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| 31 | $push ebx |
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| 32 | $push ecx |
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| 33 | $push edx |
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| 34 | $mov eax, 68 |
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| 35 | $mov ebx, 20 |
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| 36 | $mov ecx, size |
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| 37 | $mov edx, mptr |
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| 38 | $int 0x40 |
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| 39 | |||
| 40 | $pop edx |
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| 41 | $pop ecx |
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| 42 | $pop ebx |
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| 43 | return EAX; |
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| 44 | } |
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| 45 | |||
| 46 | //mem.Free |
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| 47 | void mem_Free(dword mptr) |
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| 48 | { |
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| 49 | $push eax |
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| 50 | $push ebx |
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| 51 | $push ecx |
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| 52 | $mov eax, 68 |
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| 53 | $mov ebx, 13 |
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| 54 | $mov ecx, mptr |
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| 55 | $test ecx, ecx |
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| 56 | $jz end0 |
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| 57 | $int 0x40 |
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| 58 | @end0: |
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| 59 | $pop ecx |
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| 60 | $pop ebx |
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| 61 | $pop eax |
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| 62 | } |
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| 63 | |||
| 64 | //stdcall dword ?? |
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| 65 | inline fastcall mem_Move( EDI, ESI, ECX) |
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| 66 | { |
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| 67 | asm { |
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| 3020 | leency | 68 | MOV EAX, ECX |
| 69 | CMP EDI, ESI |
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| 70 | JG L1 |
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| 71 | JE L2 |
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| 72 | SAR ECX, 2 |
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| 73 | JS L2 |
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| 74 | REP MOVSD |
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| 75 | MOV ECX, EAX |
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| 76 | AND ECX, 3 |
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| 77 | REP MOVSB |
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| 78 | JMP SHORT L2 |
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| 79 | L1: LEA ESI, DSDWORD[ ESI+ECX-4] |
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| 80 | LEA EDI, DSDWORD[ EDI+ECX-4] |
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| 81 | SAR ECX, 2 |
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| 82 | JS L2 |
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| 83 | STD |
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| 84 | REP MOVSD |
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| 85 | MOV ECX, EAX |
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| 86 | AND ECX, 3 |
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| 87 | ADD ESI, 3 |
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| 88 | ADD EDI, 3 |
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| 89 | REP MOVSB |
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| 90 | CLD |
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| 91 | L2: |
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| 2811 | leency | 92 | } |
| 93 | } |
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| 2874 | leency | 94 | |
| 95 | |||
| 96 | /*:void fastcall memsetz( EDI, ECX) |
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| 97 | { |
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| 98 | asm { |
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| 99 | XOR EAX, EAX |
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| 100 | MOV EDX, ECX |
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| 101 | SHR ECX, 2 |
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| 102 | REP STOSD |
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| 103 | MOV ECX, EDX |
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| 104 | AND ECX, 3 |
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| 105 | REP STOSB |
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| 106 | } |
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| 107 | } |
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| 108 | |||
| 109 | :void fastcall memset( EDI, ECX, AL) |
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| 110 | { |
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| 111 | asm { |
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| 112 | MOV AH, AL |
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| 113 | MOVZX EDX, AX |
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| 114 | SHL EAX, 16 |
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| 115 | OR EAX, EDX |
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| 116 | MOV EDX, ECX |
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| 117 | SHR ECX, 2 |
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| 118 | REP STOSD |
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| 119 | MOV ECX, EDX |
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| 120 | AND ECX, 3 |
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| 121 | REP STOSB |
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| 122 | } |
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| 123 | } |
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| 124 | |||
| 125 | :void fastcall memcpy( EDI, ESI, ECX) |
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| 126 | { |
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| 127 | asm { |
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| 128 | MOV EDX, ECX |
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| 129 | SHR ECX, 2 |
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| 130 | REP MOVSD |
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| 131 | MOV ECX, EDX |
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| 132 | AND ECX, 3 |
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| 133 | REP MOVSB |
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| 134 | } |
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| 135 | } |
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| 136 | |||
| 137 | :void fastcall memsetd( EDI, ECX, EAX) |
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| 138 | { |
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| 139 | asm { |
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| 140 | REP STOSD |
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| 141 | } |
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| 142 | } |
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| 143 | |||
| 144 | :void fastcall memcpyd( EDI, ESI, ECX) |
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| 145 | { |
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| 146 | asm { |
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| 147 | REP MOVSD |
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| 148 | } |
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| 149 | } |
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| 150 | |||
| 151 | :void fastcall memmov( EDI, ESI, ECX) |
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| 152 | { |
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| 153 | asm { |
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| 154 | MOV EAX, ECX |
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| 155 | CMP EDI, ESI |
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| 156 | JG L1 |
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| 157 | JE L2 |
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| 158 | SAR ECX, 2 |
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| 159 | JS L2 |
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| 160 | REP MOVSD |
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| 161 | MOV ECX, EAX |
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| 162 | AND ECX, 3 |
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| 163 | REP MOVSB |
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| 164 | JMP SHORT L2 |
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| 165 | L1: LEA ESI, DSDWORD[ ESI+ECX-4] |
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| 166 | LEA EDI, DSDWORD[ EDI+ECX-4] |
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| 167 | SAR ECX, 2 |
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| 168 | JS L2 |
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| 169 | STD |
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| 170 | REP MOVSD |
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| 171 | MOV ECX, EAX |
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| 172 | AND ECX, 3 |
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| 173 | ADD ESI, 3 |
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| 174 | ADD EDI, 3 |
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| 175 | REP MOVSB |
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| 176 | CLD |
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| 177 | L2: |
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| 178 | } |
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| 179 | } |
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| 180 | |||
| 181 | :long fastcall memcmp( ESI, EDI, ECX) |
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| 182 | { |
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| 183 | asm { |
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| 184 | MOV EAX, ECX |
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| 185 | SHR ECX, 2 |
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| 186 | REPE CMPSD |
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| 187 | MOV ECX, EAX |
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| 188 | AND ECX, 3 |
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| 189 | REPE CMPSB |
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| 190 | XOR EAX, EAX |
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| 191 | XOR ECX, ECX |
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| 192 | MOV AL, DSBYTE[ ESI-1] |
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| 193 | MOV CL, DSBYTE[ EDI-1] |
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| 194 | SUB EAX, ECX |
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| 195 | } |
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| 196 | }*/ |
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| 197 | |||
| 198 | |||
| 199 | /*#define memzset memsetz |
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| 200 | #define memset0 memsetz |
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| 201 | #define mem0set memsetz |
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| 202 | #define memset32 memsetd |
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| 203 | #define memcpy32 memcpyd*/ |