bslathi19/super6502
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Rewrite readblock in assembly

Browse Source
This commit is contained in:
Byron Lathi
2023-08-08 19:28:10 -07:00
parent 446f4e7539
commit e73c4e1d08
7 changed files with 606 additions and 560 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
sw/bios/main.c
View File

@@ -31,24 +31,17 @@ int main() {
{
cputs("Success\r\n");
// read sector 0
cputs("\r\nReading sector: 0x");
// ((uint8_t)(addr >> 24));
// cprintf("%x", (uint8_t)(addr >> 16));
// cprintf("%x", (uint8_t)(addr >> 8));
// cprintf("%x", (uint8_t)addr);
res[0] = SD_readSingleBlock(addr, buf, &token);
cputs("\r\nResponse:\r\n");
//SD_printR1(res[0]);
res[0] = SD_readSingleBlock(addr, buf, &token);
// if no error, print buffer
if((res[0] == 0x00) && (token == SD_START_TOKEN))
SD_printBuf(buf);
//else if error token received, print
else if(!(token & 0xF0))
{
cputs("Error token:\r\n");
//SD_printDataErrToken(token);
cputs("Error\r\n");
} else {
cprintf("bad token: %x\r\n", token);
}
__asm__ ("jmp (%v)", buf);