86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
#ifndef F6502TYPES_H_INCLUDED
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#define F6502TYPES_H_INCLUDED
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#if defined(__BEOS__) || defined(__TRU64__)
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#include <inttypes.h>
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#else
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#include <stdint.h>
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#endif
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typedef unsigned int zusize;
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typedef uint8_t zuint8;
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typedef uint16_t zuint16;
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typedef uint8_t zboolean;
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typedef unsigned int zuint;
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typedef int8_t zsint8;
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#ifndef NULL
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#define NULL ((void *)0)
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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/* MARK: - Addresses */
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#define Z_6502_ADDRESS_NMI_POINTER 0xFFFA
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#define Z_6502_ADDRESS_RESET_POINTER 0XFFFC
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#define Z_6502_ADDRESS_IRQ_POINTER 0xFFFE
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#define Z_6502_ADDRESS_BRK_POINTER 0xFFFE
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#define Z_6502_ADDRESS_STACK 0x0100
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/* MARK: - Values after power on */
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#define Z_6502_VALUE_AFTER_POWER_ON_PC 0x0000
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#define Z_6502_VALUE_AFTER_POWER_ON_S 0xFD
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#define Z_6502_VALUE_AFTER_POWER_ON_P 0x36
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#define Z_6502_VALUE_AFTER_POWER_ON_A 0x00
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#define Z_6502_VALUE_AFTER_POWER_ON_X 0x00
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#define Z_6502_VALUE_AFTER_POWER_ON_Y 0x00
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/* MARK: - State storage type */
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typedef struct {
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zuint16 pc;
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zuint8 s, p, a, x, y;
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struct {zuint8 irq :1;
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zuint8 nmi :1;
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} internal;
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} Z6502State;
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#define Z_6502_STATE_PC( object) (object)->pc
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#define Z_6502_STATE_S( object) (object)->s
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#define Z_6502_STATE_P( object) (object)->p
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#define Z_6502_STATE_A( object) (object)->a
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#define Z_6502_STATE_X( object) (object)->x
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#define Z_6502_STATE_Y( object) (object)->y
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#define Z_6502_STATE_NMI(object) (object)->internal.nmi
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#define Z_6502_STATE_IRQ(object) (object)->internal.irq
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#define Z_6502_STATE_MEMBER_PC pc
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#define Z_6502_STATE_MEMBER_S s
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#define Z_6502_STATE_MEMBER_P p
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#define Z_6502_STATE_MEMBER_A a
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#define Z_6502_STATE_MEMBER_X x
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#define Z_6502_STATE_MEMBER_Y y
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#define Z_6502_STATE_MEMBER_NMI internal.nmi
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#define Z_6502_STATE_MEMBER_IRQ internal.irq
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#ifdef __cplusplus
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# define Z_C_SYMBOLS_BEGIN extern "C" {
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# define Z_C_SYMBOLS_END }
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#else
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# define Z_C_SYMBOLS_BEGIN
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# define Z_C_SYMBOLS_END
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#endif
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#define Z_INLINE
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#define Z_EMPTY_(dummy)
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#define Z_EMPTY Z_EMPTY_(.)
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#endif
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