+// Code for communication with ARM940 and control of it.\r
+// (c) Copyright 2007, Grazvydas "notaz" Ignotas\r
+\r
#include <stdio.h>\r
#include <stdlib.h>\r
#include <string.h>\r
_940_ctl_t *shared_ctl = 0;\r
unsigned char *mp3_mem = 0;\r
\r
-#define MP3_SIZE_MAX (0x1000000 - 4*640*480)\r
+#define MP3_SIZE_MAX (0x400000 + 0x800000) // 12M\r
+#define CODE940_FILE "pico940.bin"\r
\r
int crashed_940 = 0;\r
\r
gp2x_memregs[0x3b46>>1], gp2x_memregl[0x4500>>2], gp2x_memregl[0x4510>>2]);\r
printf("last lr: %08x, lastjob: %i\n", shared_ctl->last_lr, shared_ctl->lastjob);\r
\r
- strcpy(menuErrorMsg, "940 crashed.");\r
+ strcpy(menuErrorMsg, "940 crashed, too much overclock?");\r
engineState = PGS_Menu;\r
crashed_940 = 1;\r
}\r
{\r
int i, old_A1 = addr_A1;\r
\r
+ /* make sure JOB940_PICOSTATELOAD gets done before next JOB940_YM2612UPDATEONE */\r
+ add_job_940(JOB940_PICOSTATELOAD);\r
+ if (CHECK_BUSY(JOB940_PICOSTATELOAD)) wait_busy_940(JOB940_PICOSTATELOAD);\r
+\r
+ writebuff_ptr = 0;\r
+\r
// feed all the registers and update internal state\r
for(i = 0; i < 0x100; i++) {\r
YM2612Write_940(0, i);\r
}\r
\r
addr_A1 = old_A1;\r
-\r
-// add_job_940(JOB940_PICOSTATELOAD);\r
}\r
\r
\r
shared_data = (_940_data_t *) (shared_mem+0x100000);\r
/* this area must not get buffered on either side */\r
shared_ctl = (_940_ctl_t *) (shared_mem+0x200000);\r
- mp3_mem = (unsigned char *) mmap(0, MP3_SIZE_MAX, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x3000000);\r
+ mp3_mem = (unsigned char *) mmap(0, MP3_SIZE_MAX, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x2400000);\r
if (mp3_mem == MAP_FAILED)\r
{\r
printf("mmap(mp3_mem) failed with %i\n", errno);\r
binpath[1023] = 0;\r
for (i = strlen(binpath); i > 0; i--)\r
if (binpath[i] == '/') { binpath[i] = 0; break; }\r
- strcat(binpath, "/code940.bin");\r
+ strcat(binpath, "/" CODE940_FILE);\r
\r
fp = fopen(binpath, "rb");\r
if(!fp)\r
{\r
- memset(gp2x_screen, 0, 320*240);\r
- gp2x_text_out8(10, 100, "failed to open required file:");\r
- gp2x_text_out8(10, 110, "code940.bin");\r
- gp2x_video_flip();\r
+ memset(gp2x_screen, 0, 320*240*2);\r
+ text_out16(10, 100, "failed to open required file:");\r
+ text_out16(10, 110, CODE940_FILE);\r
+ gp2x_video_flip2();\r
printf("failed to open %s\n", binpath);\r
exit(1);\r
}\r
\r
if (loaded_mp3 != f)\r
{\r
- // printf("loading mp3... "); fflush(stdout);\r
if (PicoMessage != NULL)\r
{\r
fseek(f, 0, SEEK_END);\r
}\r
fseek(f, 0, SEEK_SET);\r
fread(mp3_mem, 1, MP3_SIZE_MAX, f);\r
- // if (feof(f)) printf("done.\n");\r
- // else printf("done. mp3 too large, not all data loaded.\n");\r
+ if (!feof(f)) printf("Warning: mp3 was too large, not all data loaded.\n");\r
shared_ctl->mp3_len = ftell(f);\r
loaded_mp3 = f;\r
\r