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| author | Lameguy64 <lameguy64@gmail.com> | 2021-10-25 10:51:50 +0800 |
|---|---|---|
| committer | Lameguy64 <lameguy64@gmail.com> | 2021-10-25 10:51:50 +0800 |
| commit | 538f28cfbbbb8163ab8a96de77d6887123856c81 (patch) | |
| tree | a3108f05c038d0f43f2e96ae4d2d34ce4da225b4 /indev/psxmdec/main.c | |
| parent | 7718b576b7aba725455ce510ee9632067a65f0d7 (diff) | |
| download | psn00bsdk-538f28cfbbbb8163ab8a96de77d6887123856c81.tar.gz | |
Added indev directory
Diffstat (limited to 'indev/psxmdec/main.c')
| -rw-r--r-- | indev/psxmdec/main.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/indev/psxmdec/main.c b/indev/psxmdec/main.c new file mode 100644 index 0000000..c9fd678 --- /dev/null +++ b/indev/psxmdec/main.c @@ -0,0 +1,191 @@ +#include <sys/types.h>
+#include <stdio.h>
+#include <string.h>
+#include <malloc.h>
+#include <psxgte.h>
+#include <psxgpu.h>
+
+/* mdec.s */
+extern void mdec_reset( void );
+extern void mdec_setscale( void );
+extern void mdec_setquants( void );
+extern void mdec_cmd( unsigned int cmd );
+extern void mdec_in( void *src, int blocks );
+extern void mdec_out( void *dst, int blocks );
+
+/* vlc.c */
+int DecDCTvlc( unsigned short *mdec_bs, unsigned short *mdec_rl );
+
+/* data.s */
+extern unsigned short bs_data[];
+
+DISPENV disp[2];
+DRAWENV draw[2];
+int db;
+
+void memory_browser(unsigned int addr)
+{
+ int i,j,key;
+ unsigned char *ptr,*pptr;
+
+ while(1)
+ {
+ /* Set cursor position to top-left */
+ printf("\033[1;1H");
+ printf("MEMVIEW 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 0123456789ABCDEF");
+
+ ptr = (unsigned char*)addr;
+
+ /* Print contents from current location of memory */
+ for(j=0; j<23; j++)
+ {
+ printf("\n%04X: ", (unsigned int)ptr);
+ pptr = ptr;
+ for(i=0; i<16; i++)
+ {
+ printf("%02X ", *ptr);
+ ptr++;
+ }
+ printf(" ");
+ for(i=0; i<16; i++)
+ {
+ if(( *pptr < 32 ) || ( *pptr > 127 ) )
+ {
+ printf(".");
+ }
+ else
+ {
+ printf("%c", *pptr);
+ }
+ pptr++;
+ }
+ }
+
+ /* Parse input */
+ while(1)
+ {
+ key = getchar();
+ if( key == 0x1B )
+ {
+ key = getchar();
+
+ if( key == 0x5B )
+ {
+ key = getchar();
+ if( key == 0x41 ) // Up
+ {
+ addr -= 16;
+ break;
+ }
+ else if( key == 0x42 ) // Down
+ {
+ addr += 16;
+ break;
+ }
+ if( key == 0x35 ) // Page up
+ {
+ addr -= 16*23;
+ break;
+ }
+ else if( key == 0x36 ) // Page down
+ {
+ addr += 16*23;
+ break;
+ }
+ }
+ }
+
+ }
+ }
+
+} /* memory_browser */
+
+void init( void )
+{
+ ResetGraph( 0 );
+
+ SetDefDispEnv( &disp[0], 0, 0, 320, 240 );
+ SetDefDispEnv( &disp[1], 0, 240, 320, 240 );
+
+ SetDefDrawEnv( &draw[0], 0, 240, 320, 240 );
+ SetDefDrawEnv( &draw[1], 0, 0, 320, 240 );
+
+ draw[0].isbg = draw[1].isbg = 1;
+ setRGB0( &draw[0], 0, 63, 0 );
+ setRGB0( &draw[1], 0, 63, 0 );
+
+ PutDispEnv( &disp[1] );
+ PutDrawEnv( &draw[1] );
+ db = 0;
+
+} /* init */
+
+void display( void )
+{
+ DrawSync( 0 );
+ VSync( 0 );
+
+ PutDispEnv( &disp[db] );
+ PutDrawEnv( &draw[db] );
+ SetDispMask( 1 );
+
+ db = !db;
+
+} /* display */
+
+void decode_test( void )
+{
+ unsigned short *out_buff;
+ unsigned short *dec_buff;
+ int dec_len;
+ RECT rect;
+ int xx;
+
+ out_buff = (unsigned short*)malloc( 131072 );
+ dec_buff = (unsigned short*)malloc( 7680 );
+
+ memset( out_buff, 0, 131072 );
+ DecDCTvlc( bs_data, out_buff );
+
+ dec_len = ((unsigned short*)out_buff)[0];
+
+ printf( "out_buff=%p len=%d\n", out_buff, dec_len );
+
+ //memory_browser( (unsigned int)(out_buff+2) );
+ mdec_cmd( 0x38000000|dec_len );
+
+ mdec_in( out_buff+2, 8 );
+
+ rect.x = 320; rect.y = 0;
+ rect.w = 16; rect.h = 240;
+ xx = 0;
+ //while( xx < 320 )
+ {
+ mdec_out( dec_buff, 120 );
+ LoadImage( &rect, (unsigned int*)dec_buff );
+ DrawSync( 0 );
+ xx += 16;
+ rect.x += 16;
+ }
+
+} /* decode_test */
+
+int main( int argc, const char *argv[] )
+{
+ init();
+
+ /* init MDEC */
+ mdec_reset();
+ mdec_setscale();
+ mdec_setquants();
+
+ decode_test();
+
+ while( 1 )
+ {
+ display();
+ }
+
+ return( 0 );
+
+} /* main */
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