mirror of
https://github.com/jborza/emu6502.git
synced 2024-11-24 12:30:48 +00:00
15 lines
654 B
C
15 lines
654 B
C
#pragma once
|
|
//#include <cstdint>
|
|
#include "types.h"
|
|
|
|
typedef struct Flags {
|
|
//flags high to low: NV-BDIZC
|
|
uint8_t c : 1; //0 - set if last operation caused an overflow from bit 7 of the result or an underflow from bit 0
|
|
uint8_t z : 1; //1 - set if the result of the last operation was zero
|
|
uint8_t i : 1; //2 - set with SEI and cleared with CLI
|
|
uint8_t d : 1; //3 - set with SEC and cleared with CLD
|
|
uint8_t b : 1; //4 - set when BRK executed
|
|
uint8_t pad : 1; //5 - not used
|
|
uint8_t v : 1; //6 - if the result has yielded an invalid two's complement result
|
|
uint8_t n : 1; //7 - set if the result of the last operation set bit 7 to one
|
|
} Flags; |