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fat12: slightly simpler logic?

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Paul Mathieu
2025-09-29 17:46:31 +02:00
parent 50e3017c5c
commit 05d5e5413f
1 changed files with 2 additions and 5 deletions
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7
fat12.c
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@@ -23,7 +23,6 @@ typedef struct {
static uint8_t* gFat; static uint8_t* gFat;
static direntry* gRootdir; static direntry* gRootdir;
static int readsector(int c, int h, int s, uint8_t* addr) { static int readsector(int c, int h, int s, uint8_t* addr) {
register uint8_t* dest asm ("bx") = addr; register uint8_t* dest asm ("bx") = addr;
register uint8_t nsects asm ("al") = 1; register uint8_t nsects asm ("al") = 1;
@@ -41,10 +40,8 @@ static int readsector(int c, int h, int s, uint8_t* addr) {
: "=r" (ret) : "=r" (ret)
: "r" (dest), "r" (nsects), "r" (func), "r" (sect), : "r" (dest), "r" (nsects), "r" (func), "r" (sect),
"r" (cyl), "r" (head), "r" (drive), "r" (seg)); "r" (cyl), "r" (head), "r" (drive), "r" (seg));
if (ret == 0x80) { if (ret != 0x80) {
continue; break;
} else {
return ret;
} }
} }