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GPT handler detects V86 mode; Interrupt printing fixes

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This commit is contained in:
Lucia Ceionia
2022-09-16 17:07:27 -05:00
parent 192d4f04ed
commit 8bfcd4fd19
5 changed files with 53 additions and 45 deletions
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8
print.c
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@@ -1,24 +1,16 @@
#include "print.h"
__attribute((__always_inline__))
__attribute((__no_caller_saved_registers__))
char nibbleToHex(uint8_t n) {
return n > 9 ? (n - 10) + 'A' : n + '0';
}
__attribute((__always_inline__))
__attribute((__no_caller_saved_registers__))
void printByte(uint8_t v, uint16_t *buff) {
*(char *)&buff[0] = nibbleToHex((v >> 4) & 0xF);
*(char *)&buff[1] = nibbleToHex(v & 0xF);
}
__attribute((__always_inline__))
__attribute((__no_caller_saved_registers__))
void printWord(uint16_t v, uint16_t *buff) {
printByte(v >> 8, buff);
printByte(v, &buff[2]);
}
__attribute((__always_inline__))
__attribute((__no_caller_saved_registers__))
void printDword(uint32_t v, uint16_t *buff) {
printWord(v >> 16, buff);
printWord(v, &buff[4]);