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