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118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/* testDragpack252() */
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/* Rip_Dragpack252() */
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#include "globals.h"
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#include "extern.h"
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short testDragpack252 ( void )
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{
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PW_Start_Address = PW_i;
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if ( (in_data[PW_Start_Address+16] != 0x01 ) ||
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(in_data[PW_Start_Address+17] != 0x50 ) ||
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(in_data[PW_Start_Address+18] != 0x41 ) ||
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(in_data[PW_Start_Address+19] != 0xFA ) ||
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(in_data[PW_Start_Address+22] != 0x24 ) ||
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(in_data[PW_Start_Address+23] != 0x48 ) ||
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(in_data[PW_Start_Address+24] != 0x22 ) ||
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(in_data[PW_Start_Address+25] != 0x48 ) ||
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(in_data[PW_Start_Address+26] != 0x4B ) ||
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(in_data[PW_Start_Address+27] != 0xE8 ) ||
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(in_data[PW_Start_Address+30] != 0xD3 ) ||
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(in_data[PW_Start_Address+31] != 0xFC ) )
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{
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/* should be enough :))) */
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/*printf ( "#2 Start:%ld\n" , PW_Start_Address );*/
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return BAD;
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}
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/* packed size */
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PW_l = ( (in_data[PW_Start_Address+38]*256*256*256) +
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(in_data[PW_Start_Address+39]*256*256) +
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(in_data[PW_Start_Address+40]*256) +
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in_data[PW_Start_Address+41] );
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PW_l += 0x170;
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if ( (PW_l/4)*4 != PW_l )
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PW_l += 2; /* aligned on dwords it seems */
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if ( PW_i >= 32 )
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{
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if ( (in_data[PW_Start_Address-32] != 0x00 ) ||
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(in_data[PW_Start_Address-31] != 0x00 ) ||
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(in_data[PW_Start_Address-30] != 0x03 ) ||
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(in_data[PW_Start_Address-29] != 0xF3 ) ||
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(in_data[PW_Start_Address-28] != 0x00 ) ||
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(in_data[PW_Start_Address-27] != 0x00 ) ||
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(in_data[PW_Start_Address-26] != 0x00 ) ||
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(in_data[PW_Start_Address-25] != 0x00 ) ||
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(in_data[PW_Start_Address-24] != 0x00 ) ||
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(in_data[PW_Start_Address-23] != 0x00 ) ||
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(in_data[PW_Start_Address-22] != 0x00 ) ||
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(in_data[PW_Start_Address-21] != 0x01 ) ||
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(in_data[PW_Start_Address-20] != 0x00 ) ||
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(in_data[PW_Start_Address-19] != 0x00 ) ||
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(in_data[PW_Start_Address-18] != 0x00 ) ||
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(in_data[PW_Start_Address-17] != 0x00 ) )
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{
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Amiga_EXE_Header = BAD;
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}
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else
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Amiga_EXE_Header = GOOD;
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}
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else
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Amiga_EXE_Header = BAD;
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return GOOD;
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/* PW_l is the size of the pack */
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}
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void Rip_Dragpack252 ( void )
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{
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/* PW_l is still the whole size */
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Uchar * Amiga_EXE_Header_Block;
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Uchar * Whatever;
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OutputSize = PW_l;
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CONVERT = BAD;
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if ( Amiga_EXE_Header == BAD )
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{
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OutputSize -= 32;
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Amiga_EXE_Header_Block = (Uchar *) malloc ( 32 );
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BZERO ( Amiga_EXE_Header_Block , 32 );
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Amiga_EXE_Header_Block[2] = Amiga_EXE_Header_Block[26] = 0x03;
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Amiga_EXE_Header_Block[3] = 0xF3;
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Amiga_EXE_Header_Block[11] = 0x01;
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Amiga_EXE_Header_Block[27] = 0xE9;
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/* WARNING !!! WORKS ONLY ON PC !!! */
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/* 68k machines code : c1 = *(Whatever+2); */
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/* 68k machines code : c2 = *(Whatever+3); */
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PW_j = PW_l - 36;
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PW_j /= 4;
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Whatever = (Uchar *) &PW_j;
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Amiga_EXE_Header_Block[20] = Amiga_EXE_Header_Block[28] = *(Whatever+3);
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Amiga_EXE_Header_Block[21] = Amiga_EXE_Header_Block[29] = *(Whatever+2);
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Amiga_EXE_Header_Block[22] = Amiga_EXE_Header_Block[30] = *(Whatever+1);
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Amiga_EXE_Header_Block[23] = Amiga_EXE_Header_Block[31] = *Whatever;
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Save_Rip_Special ( "DragPack 2.52 Exe-file", DragPack252, Amiga_EXE_Header_Block , 32 );
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free ( Amiga_EXE_Header_Block );
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}
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else
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{
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PW_Start_Address -= 32;
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Save_Rip ( "DragPack 2.52 Exe-file", DragPack252 );
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}
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if ( Save_Status == GOOD )
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PW_i += (OutputSize - 36); /* 32 should do but call it "just to be sure" :) */
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}
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