forked from KolibriOS/kolibrios
120 lines
2.5 KiB
Plaintext
120 lines
2.5 KiB
Plaintext
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/*-------------------------------------------------------------------------------
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C-- base library for Kolibri, Nable's variant.
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-------------------------------------------------------------------------------*/
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inline fastcall dword WaitEventTimeout(dword EBX){
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EAX = 23; // wait here for event
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$int 0x40
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}
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//-------------------------------------------------------------------------------
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struct IMAGE_INFO{
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word Left,Top,Width,Height; //+0, +2, +4, +6
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dword Delay,Displacement,StartOfImage; //+8, +12, +16
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dword pPalette,BitsPerPixel; //+20, +24
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};
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IMAGE_INFO CurrentImage;
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//-------------------------------------------------------------------------------
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fastcall int GetNthImageInfo(dword ESI, EDI, ECX)
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//esi - pointer to structure with multiple images
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//edi - pointer to structure of type IMG_INFO
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//ecx - CurrentFrameNum
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//returns 0 if error
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int pCurrentImage;
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{
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pCurrentImage = EDI;
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EAX = 0;
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EBX = ESI;
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$jecxz _END_LOOP
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_1:
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$TEST ESI,ESI
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$JE __EXIT
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//MOV ESI,[ESI] - c-- refused to compile it
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$DB 8Bh
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$DB 36h
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$ADD ESI,EBX
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$loop _1
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_END_LOOP:
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$LODSD
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//left and top
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$MOVSD
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//width and height
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$MOVSD
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//delay
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$MOVSD
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//displacement
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$MOVSD
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EDI = pCurrentImage;
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$LODSD
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$TEST EAX,EAX
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$JS _NO_PALETTE
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$ADD EAX,EBX
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//Stay calm, this pervertion is only because of uncomplete
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//pointers' support in C--
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//CurrentImage.pPalette=ESI;
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DSDWORD[EDI+20] = ESI;
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//CurrentImage.StartOfImage=EAX;
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DSDWORD[EDI+16] = EAX;
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//CurrentImage.BitsPerPixel=8;
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DSDWORD[EDI+24] = 8;
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GOTO __EXIT;
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_NO_PALETTE:
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$NEG EAX
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//CurrentImage.BitsPerPixel=EAX;
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DSDWORD[EDI+24] = EAX;
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//CurrentImage.pPalette=0;
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DSDWORD[EDI+20] = 0;
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//CurrentImage.StartOfImage=ESI;
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DSDWORD[EDI+16] = ESI;
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__EXIT:
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}
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//As a parameter you should send PID of needed slot
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//return value will be 0 if not found
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inline fastcall int PIDtoSlot(dword EDX)
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{
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proc_info _p_info;
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EBX=#_p_info; //pointer to the structure
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ECX=2;//slot 1 is system
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WHILE(ECX<256){
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EAX=9;
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$INT 0x40
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IF(_p_info.ID == EDX) return ECX;
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ECX++;
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}
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return 0;
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}
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void fastcall DrawImage(dword EBX, EDX)
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{
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$PUSHAD
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EAX = 65;
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EBP = 0;
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EDI = DSDWORD[EBX+20];
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ESI = DSDWORD[EBX+24];
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$ROR EDX,16
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EDX += DSDWORD[EBX];
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$ROR EDX,16
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ECX = DSDWORD[EBX+4];
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$ROR ECX,16
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EBX = DSDWORD[EBX+16];
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$INT 0x40
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$POPAD
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}
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