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Revision 972

Added by markw over 5 years ago

Create standard video mode rom

View differences:

firmware_eclairexl/video_modes.c
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <byteswap.h>
typedef enum {MODE_NTSC_5994=0,MODE_NTSC_60=1,MODE_PAL_50=2,MODE_PAL_ORIG=3,MODE_NTSC_ORIG=4} video_pll_mode;
char const * mode_description[] =
{
"1440x576 50Hz interlace",
"720x576 50Hz",
"1280x720 50Hz",
"1920x1080 50Hz interlace",
"1440x480 59.94Hz interlace",
"720x480 59.94Hz",
"1280x720 60Hz",
"1920x1080 60Hz interlace"
};
typedef unsigned short uint16_t;
uint16_t crtc_registers[] =
{
/*pal576i*/
126, /*h_syncLen*/
138, /*h_preActiveLen*/
1440, /*h_activeLen*/
24, /*h_postActiveLen*/
3, /*v_syncLen*/
19, /*v_preActiveLen*/
288, /*v_activeLen*/
2, /*v_postActiveLen*/
1, /*v_interlace*/
864, /*v_interlaceDelayLen*/
21, /*mode */
3, /*clock select - 27MHz or 74.25MHz - TODO*/
/*pal576p*/
64, /*h_syncLen*/
68, /*h_preActiveLen*/
720, /*h_activeLen*/
12, /*h_postActiveLen*/
5, /*v_syncLen*/
39, /*v_preActiveLen*/
576, /*v_activeLen*/
5, /*v_postActiveLen*/
0, /*v_interlace*/
0, /*v_interlaceDelayLen*/
17, /*mode */
3, /*clock select - 27MHz or 74.25MHz - TODO*/
/*pal720p*/
40, /*h_syncLen*/
220, /*h_preActiveLen*/
1280, /*h_activeLen*/
440, /*h_postActiveLen*/
5, /*v_syncLen*/
20, /*v_preActiveLen*/
720, /*v_activeLen*/
5, /*v_postActiveLen*/
0, /*v_interlace*/
0, /*v_interlaceDelayLen*/
19, /*mode */
2, /*clock select - 27MHz or 74.25MHz - TODO*/
/* pal 1080i */
44, /*h_syncLen*/
148, /*h_preActiveLen*/
1920, /*h_activeLen*/
528, /*h_postActiveLen*/
5, /*v_syncLen*/
15, /*v_preActiveLen*/
540, /*v_activeLen*/
2, /*v_postActiveLen*/
1, /*v_interlace*/
1320, /*v_interlaceDelayLen*/
20, /*mode*/
2, /*clock select - 27MHz or 74.25MHz - TODO*/
/*ntsc480i*/
124, /*h_syncLen*/
114, /*h_preActiveLen*/
1440, /*h_activeLen*/
38, /*h_postActiveLen*/
3, /*v_syncLen*/
15, /*v_preActiveLen*/
240, /*v_activeLen*/
4, /*v_postActiveLen*/
1, /*v_interlace*/
858, /*v_interlaceDelayLen*/
6, /*mode */
3, /*clock select - 27MHz or 74.25MHz - TODO*/
/*ntsc480p*/
62, /*h_syncLen*/
60, /*h_preActiveLen*/
720, /*h_activeLen*/
16, /*h_postActiveLen*/
6, /*v_syncLen*/
30, /*v_preActiveLen*/
480, /*v_activeLen*/
9, /*v_postActiveLen*/
0, /*v_interlace*/
0, /*v_interlaceDelayLen*/
2, /*mode */
3, /*clock select - 27MHz or 74.25MHz - TODO*/
/* ntsc720p*/
40, /*h_syncLen*/
220, /*h_preActiveLen*/
1280, /*h_activeLen*/
110, /*h_postActiveLen*/
5, /*v_syncLen*/
20, /*v_preActiveLen*/
720, /*v_activeLen*/
5, /*v_postActiveLen*/
0, /*v_interlace*/
0, /*v_interlaceDelayLen*/
4, /*mode */
2, /*clock select - 27MHz or 74.25MHz - TODO*/
/* ntsc 1080i */
44, /*h_syncLen*/
148, /*h_preActiveLen*/
1920, /*h_activeLen*/
88, /*h_postActiveLen*/
5, /*v_syncLen*/
15, /*v_preActiveLen*/
540, /*v_activeLen*/
2, /*v_postActiveLen*/
1, /*v_interlace*/
1100, /*v_interlaceDelayLen*/
5, /*mode */
2 /*clock select - 27MHz or 74.25MHz - TODO*/
};
uint16_t scaler_registers[] =
{
400,400,328,164,328,1, /*pal576i*/
1024,1024,1,
400,400,328,164,164,2, /*pal576p*/
1024,512,2,
400,225,700,291,291,2, /*pal720p*/
576,426,2,
400,300,786,218,436,1, /*pal1080i*/
768,568,1,
400,400,328,164,328,1, /*ntsc480i*/
1024,1024,1,
400,400,328,164,164,2, /*ntsc480p*/
1024,512,2,
400,225,834,291,291,2, /*ntsc720p*/
576,358,2,
400,300,936,218,436,1, /*ntsc1080i*/
768,478,1
};
video_pll_mode const mode_freqs[] =
{
MODE_PAL_50,
MODE_PAL_50,
MODE_PAL_50,
MODE_PAL_50,
MODE_NTSC_5994,
MODE_NTSC_5994,
MODE_NTSC_60,
MODE_NTSC_60
};
/* mode layout
* 0 :name
64 :crtc
128:scaler
192:freq
*/
int main(void)
{
int nummodes = 8;
char * buffer = malloc(nummodes*256);
memset(buffer,0,nummodes*256);
for (int i=0;i!=nummodes*12;++i)
crtc_registers[i] = __bswap_16 (crtc_registers[i]);
for (int i=0;i!=nummodes*9;++i)
scaler_registers[i] = __bswap_16 (scaler_registers[i]);
for (int i=0;i!=nummodes;++i)
{
char * base = buffer+i*256;
strcpy(base,mode_description[i]);
memcpy(base+64,crtc_registers+(12*i),12*2);
memcpy(base+128,scaler_registers+(9*i),9*2);
memcpy(base+192,&mode_freqs[i],1);
}
FILE * f = fopen("video_modes.rom","w");
fwrite(buffer,1,nummodes*256,f);
fclose(f);
return 0;
}

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