1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/* SPUdec.c
Skeleton of function spudec_process_controll() was written by Apri.
Further works:
LGB,... (yeah, try to improve it and insert your name here! ;-) */
#include <stdio.h>
#include "spudec.h"
void spudec_process_control(unsigned char *control, int size, int* d1, int* d2)
{
int off = 2;
int a,b; /* Temporary vars */
do {
int type = control[off];
off++;
printf("cmd=%d ",type);
switch(type) {
case 0x00:
/* Menu ID, 1 byte */
printf("Menu ID\n");
break;
case 0x01:
/* Start display */
printf("Start display!\n");
// gSpudec.geom.bIsVisible = 1;
break;
case 0x03:
/* Palette */
printf("Palette\n");
// palette[3] = &(gSpudec.clut[(control[off] >> 4)]);
// palette[2] = &(gSpudec.clut[control[off] & 0xf]);
// palette[1] = &(gSpudec.clut[(control[off+1] >> 4)]);
// palette[0] = &(gSpudec.clut[control[off+1] & 0xf]);
off+=2;
break;
case 0x04:
/* Alpha */
printf("Alpha\n");
// alpha[3] = control[off] & 0xf0;
// alpha[2] = (control[off] & 0xf) << 4;
// alpha[1] = control[off+1] & 0xf0;
// alpha[0] = (control[off+1] & 0xf) << 4;
off+=2;
break;
case 0x05:
/* Co-ords */
a = (control[off] << 16) + (control[off+1] << 8) + control[off+2];
b = (control[off+3] << 16) + (control[off+4] << 8) + control[off+5];
printf("Coords col: %d - %d row: %d - %d\n",a >> 12,a & 0xfff,b >> 12,b & 0xfff);
// gSpudec.geom.start_col = a >> 12;
// gSpudec.geom.end_col = a & 0xfff;
// gSpudec.geom.start_row = b >> 12;
// gSpudec.geom.end_row = b & 0xfff;
off+=6;
break;
case 0x06:
/* Graphic lines */
*(d1) = (control[off] << 8) + control[off+1];
*(d2) = (control[off+2] << 8) + control[off+3];
printf("Graphic pos color: %d b/w: %d\n",*d1,*d2);
off+=4;
break;
case 0xff:
/* All done, bye-bye */
printf("Done!\n");
return;
break;
default:
printf("spudec: Error determining control type 0x%02x.\n",type);
return;
break;
}
/* printf("spudec: Processsed control type 0x%02x.\n",type); */
} while(off < size);
}
|