| author | ecalot
<ecalot> 2004-09-16 17:36:53 UTC |
| committer | ecalot
<ecalot> 2004-09-16 17:36:53 UTC |
| parent | 8729c2c30fe3096cb5ef82f2138ee084dcd1bd88 |
| FP/doc/FormatSpecifications | +31 | -25 |
| FP/doc/FormatSpecifications.tex | +31 | -25 |
diff --git a/FP/doc/FormatSpecifications b/FP/doc/FormatSpecifications index 9990c0a..3ed859b 100644 --- a/FP/doc/FormatSpecifications +++ b/FP/doc/FormatSpecifications @@ -18,26 +18,26 @@ Table of Contents 4.2.2 Algorithms ...................................................... 210 4.2.2.1 Run length encoding (RLE) ..................................... 226 4.2.2.2 LZ variant (LZG) .............................................. 237 -4.3. Palettes ......................................................... 318 -4.4. Levels ........................................................... 325 -4.4.1 Unknown blocks .................................................. 356 -4.4.2 Room mapping .................................................... 373 -4.4.2.1 Wall drawing algorithm ........................................ 510 -4.4.3 Room linking .................................................... 577 -4.4.4 Guard handling .................................................. 593 -4.4.5 Starting Position ............................................... 634 -4.4.6 Door events ..................................................... 648 -4.5. Digital Waves .................................................... 692 -4.6. Midi music ....................................................... 709 -4.7. Internal PC Speaker .............................................. 712 -4.8. Binary files ..................................................... 717 -5. PLV v1.0 Format Specifications ..................................... 724 -5.1. User data ........................................................ 750 -5.2. Allowed Date format .............................................. 777 -6. The SAV v1.0 format ................................................ 791 -7. The HOF v1.0 format ................................................ 837 -8. Credits ............................................................ 860 -9. License ............................................................ 879 +4.3. Palettes ......................................................... 324 +4.4. Levels ........................................................... 331 +4.4.1 Unknown blocks .................................................. 362 +4.4.2 Room mapping .................................................... 379 +4.4.2.1 Wall drawing algorithm ........................................ 516 +4.4.3 Room linking .................................................... 583 +4.4.4 Guard handling .................................................. 599 +4.4.5 Starting Position ............................................... 640 +4.4.6 Door events ..................................................... 654 +4.5. Digital Waves .................................................... 698 +4.6. Midi music ....................................................... 715 +4.7. Internal PC Speaker .............................................. 718 +4.8. Binary files ..................................................... 723 +5. PLV v1.0 Format Specifications ..................................... 730 +5.1. User data ........................................................ 756 +5.2. Allowed Date format .............................................. 783 +6. The SAV v1.0 format ................................................ 797 +7. The HOF v1.0 format ................................................ 843 +8. Credits ............................................................ 866 +9. License ............................................................ 885 1. Preamble @@ -264,7 +264,7 @@ Table of Contents #define MAX_MOD_SIZE_IN_LZG 32001 /* modulus to be used in the 10 bits of the algorithm */ - #define MAX_MXD_SIZE_IN_LZG 0x400 + #define MAX_MXD_SIZE_IN_LZG 0x400 /* 1024 */ /* LZG expansion algorithm sub function */ unsigned char popBit(unsigned char *byte) { @@ -280,7 +280,7 @@ Table of Contents int location,h,cursor=0,pos=0; unsigned char maskbyte,rep; - /* img is a unsigned char[] sized 0x400 */ + /* img is an unsigned char[] sized 0x400 */ /* clean output garbage */ for(location=0;location<MAX_MOD_SIZE_IN_LZG;img[location]=0,location++); @@ -292,8 +292,10 @@ Table of Contents img[cursor++]=array[pos++]; } else { /* - * 10 bits for the slide position (S). Add 66 to this number. - * 6 bits for the repetition number (R). Add 3 to this number. + * location: + * 10 bits for the slide position (S). Add 66 to this number. + * rep: + * 6 bits for the repetition number (R). Add 3 to this number. */ location=66+(((rep=array[pos])&3)<<8)+(unsigned char)array[pos+1]; pos+=2; @@ -303,11 +305,15 @@ Table of Contents while (rep--) { h=cursor/MAX_MXD_SIZE_IN_LZG- ((location%MAX_MXD_SIZE_IN_LZG)>(cursor%MAX_MXD_SIZE_IN_LZG)); + /* + * if the image is stored in an array of 1024 x n bytes + * h is the height and location is the width + */ img[cursor++]=img[ ((h<0)?0:h)*MAX_MXD_SIZE_IN_LZG+ (location++)%MAX_MXD_SIZE_IN_LZG ]; - } + } } } } diff --git a/FP/doc/FormatSpecifications.tex b/FP/doc/FormatSpecifications.tex index 9990c0a..3ed859b 100644 --- a/FP/doc/FormatSpecifications.tex +++ b/FP/doc/FormatSpecifications.tex @@ -18,26 +18,26 @@ Table of Contents 4.2.2 Algorithms ...................................................... 210 4.2.2.1 Run length encoding (RLE) ..................................... 226 4.2.2.2 LZ variant (LZG) .............................................. 237 -4.3. Palettes ......................................................... 318 -4.4. Levels ........................................................... 325 -4.4.1 Unknown blocks .................................................. 356 -4.4.2 Room mapping .................................................... 373 -4.4.2.1 Wall drawing algorithm ........................................ 510 -4.4.3 Room linking .................................................... 577 -4.4.4 Guard handling .................................................. 593 -4.4.5 Starting Position ............................................... 634 -4.4.6 Door events ..................................................... 648 -4.5. Digital Waves .................................................... 692 -4.6. Midi music ....................................................... 709 -4.7. Internal PC Speaker .............................................. 712 -4.8. Binary files ..................................................... 717 -5. PLV v1.0 Format Specifications ..................................... 724 -5.1. User data ........................................................ 750 -5.2. Allowed Date format .............................................. 777 -6. The SAV v1.0 format ................................................ 791 -7. The HOF v1.0 format ................................................ 837 -8. Credits ............................................................ 860 -9. License ............................................................ 879 +4.3. Palettes ......................................................... 324 +4.4. Levels ........................................................... 331 +4.4.1 Unknown blocks .................................................. 362 +4.4.2 Room mapping .................................................... 379 +4.4.2.1 Wall drawing algorithm ........................................ 516 +4.4.3 Room linking .................................................... 583 +4.4.4 Guard handling .................................................. 599 +4.4.5 Starting Position ............................................... 640 +4.4.6 Door events ..................................................... 654 +4.5. Digital Waves .................................................... 698 +4.6. Midi music ....................................................... 715 +4.7. Internal PC Speaker .............................................. 718 +4.8. Binary files ..................................................... 723 +5. PLV v1.0 Format Specifications ..................................... 730 +5.1. User data ........................................................ 756 +5.2. Allowed Date format .............................................. 783 +6. The SAV v1.0 format ................................................ 797 +7. The HOF v1.0 format ................................................ 843 +8. Credits ............................................................ 866 +9. License ............................................................ 885 1. Preamble @@ -264,7 +264,7 @@ Table of Contents #define MAX_MOD_SIZE_IN_LZG 32001 /* modulus to be used in the 10 bits of the algorithm */ - #define MAX_MXD_SIZE_IN_LZG 0x400 + #define MAX_MXD_SIZE_IN_LZG 0x400 /* 1024 */ /* LZG expansion algorithm sub function */ unsigned char popBit(unsigned char *byte) { @@ -280,7 +280,7 @@ Table of Contents int location,h,cursor=0,pos=0; unsigned char maskbyte,rep; - /* img is a unsigned char[] sized 0x400 */ + /* img is an unsigned char[] sized 0x400 */ /* clean output garbage */ for(location=0;location<MAX_MOD_SIZE_IN_LZG;img[location]=0,location++); @@ -292,8 +292,10 @@ Table of Contents img[cursor++]=array[pos++]; } else { /* - * 10 bits for the slide position (S). Add 66 to this number. - * 6 bits for the repetition number (R). Add 3 to this number. + * location: + * 10 bits for the slide position (S). Add 66 to this number. + * rep: + * 6 bits for the repetition number (R). Add 3 to this number. */ location=66+(((rep=array[pos])&3)<<8)+(unsigned char)array[pos+1]; pos+=2; @@ -303,11 +305,15 @@ Table of Contents while (rep--) { h=cursor/MAX_MXD_SIZE_IN_LZG- ((location%MAX_MXD_SIZE_IN_LZG)>(cursor%MAX_MXD_SIZE_IN_LZG)); + /* + * if the image is stored in an array of 1024 x n bytes + * h is the height and location is the width + */ img[cursor++]=img[ ((h<0)?0:h)*MAX_MXD_SIZE_IN_LZG+ (location++)%MAX_MXD_SIZE_IN_LZG ]; - } + } } } }