godzil/sd2snes
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

basic ROM & SRAM mirroring [refactoring needed]

Browse Source
This commit is contained in:
ikari
2009-09-07 10:47:51 +02:00
parent be0fde297d
commit 66b0f0350e
12 changed files with 151 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/fileops.c
View File

@@ -1,5 +1,5 @@
// insert cool lenghty disclaimer here
// fileops.c: fatfs wrapping for convenience
// insert cool lengthy disclaimer here
// fileops.c: convenience
#include "config.h"
#include "uart.h"
@@ -29,3 +29,19 @@ UINT file_write() {
file_res = f_write(&file_handle, file_buf, sizeof(file_buf), &bytes_written);
return bytes_written;
}
UINT file_readblock(void* buf, uint32_t addr, uint16_t size) {
UINT bytes_read;
file_res = f_lseek(&file_handle, addr);
if(file_res) return 0;
file_res = f_read(&file_handle, buf, size, &bytes_read);
return bytes_read;
}
UINT file_writeblock(void* buf, uint32_t addr, uint16_t size) {
UINT bytes_written;
file_res = f_lseek(&file_handle, addr);
if(file_res) return 0;
file_res = f_write(&file_handle, buf, size, &bytes_written);
return bytes_written;
}