X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=megaed-sv%2Fmain.c;h=7c0955fed7ac4b3f9030eee49ef9413981a7ec18;hb=df43aeea93272c120d348dde8226ed52efa74fc1;hp=4065a8ae614b4afee19b0a4cd9a155fb969c1dba;hpb=51f3a685cdf7a70a9c2c4f35c92609123d741d64;p=megadrive.git diff --git a/megaed-sv/main.c b/megaed-sv/main.c index 4065a8a..7c0955f 100644 --- a/megaed-sv/main.c +++ b/megaed-sv/main.c @@ -24,6 +24,12 @@ #define APLANE (TILE_MEM_END + 0x1000) #define BPLANE (TILE_MEM_END + 0x3000) +#define read8(a) \ + *((volatile u8 *) (a)) +#define read16(a) \ + *((volatile u16 *) (a)) +#define read32(a) \ + *((volatile u32 *) (a)) #define write16(a, d) \ *((volatile u16 *) (a)) = (d) #define write32(a, d) \ @@ -285,10 +291,60 @@ static int do_test(OsRoutine *ed, u8 b3) return -1; } +#define MTYPE_OS 0 +#define MTYPE_MD 1 +#define MTYPE_SSF 2 +#define MTYPE_CD 3 +#define MTYPE_SMS 4 +#define MTYPE_10M 5 +#define MTYPE_32X 6 + +static int do_run(OsRoutine *ed, u8 b3) +{ + u8 mapper = 0; + + switch (b3) + { + case 's': + mapper = MTYPE_SMS | (7 << 4); + break; + case 'm': + mapper = MTYPE_MD; + break; + case 'o': + mapper = MTYPE_OS; + break; + case 'c': + mapper = MTYPE_CD; + break; + case '3': + mapper = MTYPE_32X; + break; + case 'M': + mapper = MTYPE_10M; + break; + default: + return -1; + } + + while (read32(GFX_CTRL_PORT) & 2) + ; + ed->VDP_setReg(VDP_MODE1, 0x04); + ed->VDP_setReg(VDP_MODE2, 0x44); + + ed->usbWriteByte('k'); + + run_game(mapper); + /* should not get here.. */ + + return -1; +} + int main() { OsRoutine *ed; u8 buf[16]; + int len; int i, d, ret; ed = (OsRoutine *) *(u32 *)0x1A0; @@ -310,6 +366,10 @@ int main() /* note: relying on ED menu's font setup here.. */ + printf("version: %02x\n", read8(0xa10001)); + printf("ED os/fw: %x/%x\n\n", ed->osGetOsVersion(), + ed->osGetFirmVersion()); + for (;;) { if (!ed->usbRdReady()) { asm volatile("stop #0x2000"); @@ -330,6 +390,24 @@ int main() case 'T': ed->usbWriteByte('k'); break; + case 'g': + len = ed->usbReadByte() * 128; + printf("loading %d bytes.. ", len * 512); + ed->usbWriteByte('k'); + ed->usbReadDma((void *)0x200000, len); + ed->usbWriteByte('d'); + printf("done\n"); + break; + case 'r': + buf[2] = ed->usbReadByte(); + ret = do_run(ed, buf[2]); + if (ret != 0) { + d = 3; + goto bad_input; + } + printf("run returned??\n"); + break; + /* custom */ case 't': buf[2] = ed->usbReadByte();