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

Get bios calls starting to work

Browse Source
This commit is contained in:
Byron Lathi
2023-08-06 21:41:15 -07:00
parent 6b42843f4b
commit 446f4e7539
12 changed files with 280 additions and 298 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
sw/bios/main.c
View File

@@ -11,7 +11,8 @@
#define KERNEL_LOAD_ADDR 0xD000
uint8_t buf[512];
//uint8_t buf[512];
uint8_t *buf = (uint8_t*)0x8000;
int main() {
// array to hold responses
@@ -50,30 +51,7 @@ int main() {
//SD_printDataErrToken(token);
}
// update address to 0x00000100
// addr = 0x00000100;
// // fill buffer with 0x55
// for(i = 0; i < 512; i++) buf[i] = 0x55;
// cputs("Writing 0x55 to sector: 0x");
// cprintf("%x", (uint8_t)(addr >> 24));
// cprintf("%x", (uint8_t)(addr >> 16));
// cprintf("%x", (uint8_t)(addr >> 8));
// cprintf("%x", (uint8_t)addr);
// // write data to sector
// res[0] = SD_writeSingleBlock(addr, buf, &token);
// cputs("\r\nResponse:\r\n");
// //SD_printR1(res[0]);
// // if no errors writing
// if(res[0] == 0x00)
// {
// if(token == SD_DATA_ACCEPTED)
// cputs("Write successful\r\n");
// }
__asm__ ("jmp (%v)", buf);
}
while(1) ;