From ca5a09cd94a5fc92e727cd69fb89f58760f34176 Mon Sep 17 00:00:00 2001 From: vin Date: Sun, 7 Jul 2024 13:04:10 -0400 Subject: fix warnings and move cpu registers+flags to header --- cpu.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'cpu.h') diff --git a/cpu.h b/cpu.h index ed17432..05c30fa 100644 --- a/cpu.h +++ b/cpu.h @@ -1,5 +1,29 @@ +#ifndef CPU_H +#define CPU_H + #include +struct cpu_flags { + uint8_t carry : 1; + uint8_t zero : 1; + uint8_t interrupt_disable : 1; + uint8_t decimal_mode : 1; + uint8_t brk : 1; + uint8_t unused : 1; + uint8_t overflow : 1; + uint8_t negative : 1; +}; + +struct registers { + uint8_t a, x, y, sp; + struct cpu_flags status; + uint16_t pc; +}; +struct registers regs = {0}; + +/* 64K address space, 16bit words */ +uint8_t memory[0x16000]; + /* OFFICIAL OPCODES */ void ADC(uint16_t arg); void AND(uint16_t arg); @@ -87,3 +111,5 @@ void SYA(uint16_t arg); void TOP(uint16_t arg); void XAA(uint16_t arg); void XAS(uint16_t arg); + +#endif /* CPU_H */ -- cgit v1.2.3