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misc cleanups

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This commit is contained in:
Aaron Culliney 2013-07-07 13:16:08 -07:00
parent 170fbf57f3
commit e70a1ef620
2 changed files with 25 additions and 24 deletions

46
src/cpu.h

@ -16,6 +16,7 @@
#ifndef __ASSEMBLER__
#include <sys/types.h>
#include <stdint.h>
/* types */
@ -30,18 +31,20 @@ struct memory_vector
struct cpu65_state
{
u_int16_t pc; /* Program counter */
u_int8_t a; /* Accumulator */
u_int8_t f; /* Flags (order not same as in real 6502) */
u_int8_t x,y; /* Index register */
u_int8_t sp; /* Stack Pointer */
uint16_t pc; /* Program counter */
uint8_t a; /* Accumulator */
uint8_t f; /* Flags (order not same as in real 6502) */
uint8_t x; /* X Index register */
uint8_t y; /* Y Index register */
uint8_t sp; /* Stack Pointer */
};
struct cpu65_extra /* for debugging */
struct cpu65_extra
{
u_int16_t ea; /* Last effective address */
u_int8_t d; /* Last data byte written */
u_int8_t op; /* 1 = read occured, 2 = write, 3 = both */
uint16_t ea; /* Last effective address */
uint8_t d; /* Last data byte written */
uint8_t op; /* 1 = read occured, 2 = write, 3 = both */
uint8_t xcycles; /* Last opcode extra cycles */
};
/* 6502 CPU models */
@ -49,7 +52,6 @@ struct cpu65_extra /* for debugging */
#define CPU65_C02 0x1
#define CPU65_FAULT 0x100 /* Undoc. opcodes are BRK */
#define CPU65_SYNCHRO 0x200 /* Synchronize speed, not imp. */
/* Set up the processor for a new run. Sets up opcode table.
*/
@ -106,18 +108,18 @@ extern unsigned int cpu65_delay;
#define Z_Flag_Bit 14 /* 6502 Zero */
#define N_Flag_Bit 15 /* 6502 Neg */
#define X_Reg %bl /* 6502 X register in %bl */
#define Y_Reg %bh /* 6502 Y register in %bh */
#define A_Reg %cl /* 6502 A register in %cl */
#define F_Reg %ch /* 6502 flags in %ch */
#define FF_Reg %ecx /* 6502 flags for bt */
#define SP_Reg %edx /* 6502 Stack pointer */
#define SP_Reg_L %dl /* 6502 Stack pointer low */
#define SP_Reg_H %dh /* 6502 Stack pointer high */
#define PC_Reg %si /* 6502 Program Counter */
#define PC_Reg_E %esi /* 6502 Program Counter */
#define EffectiveAddr %di /* Effective address */
#define EffectiveAddr_E %edi /* Effective address */
#define X_Reg %bl /* 6502 X register in %bl */
#define Y_Reg %bh /* 6502 Y register in %bh */
#define A_Reg %cl /* 6502 A register in %cl */
#define F_Reg %ch /* 6502 flags in %ch */
#define FF_Reg %ecx /* 6502 flags for bt */
#define SP_Reg %edx /* 6502 Stack pointer */
#define SP_Reg_L %dl /* 6502 Stack pointer low */
#define SP_Reg_H %dh /* 6502 Stack pointer high */
#define PC_Reg %si /* 6502 Program Counter */
#define PC_Reg_E %esi /* 6502 Program Counter */
#define EffectiveAddr %di /* Effective address */
#define EffectiveAddr_E %edi /* Effective address */
#ifndef __ASSEMBLER__
/* Private data. */

3
src/misc.c

@ -686,8 +686,7 @@ static void reinitialize(void)
{
cpu65_set(CPU65_C02);
}
else
if (apple_mode == IIU_MODE)
else if (apple_mode == IIU_MODE)
{
cpu65_set(CPU65_NMOS);
}