chip.h File Reference

#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "../defs.h"
#include "../memory.h"
#include "addressing.h"

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Data Structures
struct	chip_memory_callback_node_t
struct	chip_t

Macros
#define	CHIP_STACK_BOTTOM_ADDR   0x0100
#define	CHIP_MAXIMUM_MEMORY   0x10000

Typedefs
typedef byte(*	chip_memory_callback_t) (void *, bool is_write, u16 addr, byte value)
typedef struct chip_memory_callback_node_t	chip_memory_callback_node_t
typedef struct chip_t	chip_t
typedef void(*	chip_external_call_f) (chip_t *chip)
typedef enum register_flags_t	register_flags_t
typedef enum register_flags_mask_t	register_flags_mask_t

Enumerations
enum	register_flags_t {   FLAG_CARRY = 0 , FLAG_ZERO = 1 , FLAG_INTERRUPT_DISABLE = 2 , FLAG_DECIMAL = 3 ,   FLAG_B = 4 , FLAG_UNUSED = 5 , FLAG_OVERFLOW = 6 , FLAG_NEGATIVE = 7 }
enum	register_flags_mask_t {   FLAG_MASK_CARRY = 0b00000001 , FLAG_MASK_ZERO = 0b00000010 , FLAG_MASK_INTERRUPT_DISABLE = 0b00000100 , FLAG_MASK_DECIMAL = 0b00001000 ,   FLAG_MASK_B = 0b00010000 , FLAG_MASK_UNUSED = 0b00100000 , FLAG_MASK_OVERFLOW = 0b01000000 , FLAG_MASK_NEGATIVE = 0b10000000 }

Functions
static void	chip_dbg_dump (chip_t *self)
static void	chip_init (chip_t *self, allocator_t allocator, sz memory_size, u32 quota)
static void	chip_memory_add_callback (chip_t *self, chip_memory_callback_t callback)
static void	chip_load_rom (chip_t *self, byte *rom, size_t len, u16 rom_start)
static byte	chip_memory_read_direct (chip_t *self, u16 at)
static void	chip_memory_write_direct (chip_t *self, u16 at, byte value)
static byte	chip_pc_inc (chip_t *self)
static u32	chip_memory_perform_read (chip_t *self, addressing_mode_t mode)
static u16	chip_memory_perform_write (chip_t *self, addressing_mode_t mode, byte value)
static u16	get_memory_addr (u32 read)
static byte	get_memory_word (u32 read)
static u16	chip_memory_read_addr (chip_t *self, addressing_mode_t mode)
static byte	chip_memory_read_word (chip_t *self, addressing_mode_t mode)
static u16	chip_memory_read_dword (chip_t *self, addressing_mode_t mode)
static void	chip_stack_push (chip_t *self, byte value)
static byte	chip_stack_pull (chip_t *self)
static byte	chip_flags_get (chip_t *self, register_flags_t flag)
static void	chip_flags_set (chip_t *self, register_flags_t flag, byte value)
static void	chip_flags_update_carry (chip_t *self, byte value)
static void	chip_flags_update_zero_negative (chip_t *self, byte value)
static void	chip_flags_update_overflow (chip_t *self, byte value)

Macro Definition Documentation

CHIP_MAXIMUM_MEMORY

#define CHIP_MAXIMUM_MEMORY   0x10000

CHIP_STACK_BOTTOM_ADDR

#define CHIP_STACK_BOTTOM_ADDR   0x0100

Typedef Documentation

chip_external_call_f

typedef void(* chip_external_call_f) (chip_t *chip)

chip_memory_callback_node_t

typedef struct chip_memory_callback_node_t chip_memory_callback_node_t

chip_memory_callback_t

typedef byte(* chip_memory_callback_t) (void *, bool is_write, u16 addr, byte value)

chip_t

typedef struct chip_t chip_t

register_flags_mask_t

typedef enum register_flags_mask_t register_flags_mask_t

register_flags_t

typedef enum register_flags_t register_flags_t

Enumeration Type Documentation

register_flags_mask_t

enum register_flags_mask_t

Enumerator
FLAG_MASK_CARRY
FLAG_MASK_ZERO
FLAG_MASK_INTERRUPT_DISABLE
FLAG_MASK_DECIMAL
FLAG_MASK_B
FLAG_MASK_UNUSED
FLAG_MASK_OVERFLOW
FLAG_MASK_NEGATIVE

register_flags_t

enum register_flags_t

Enumerator
FLAG_CARRY
FLAG_ZERO
FLAG_INTERRUPT_DISABLE
FLAG_DECIMAL
FLAG_B
FLAG_UNUSED
FLAG_OVERFLOW
FLAG_NEGATIVE

Function Documentation

chip_dbg_dump()

static void chip_dbg_dump ( chip_t *  self )

static

chip_flags_get()

static byte chip_flags_get ( chip_t *  self, register_flags_t  flag  )

static

chip_flags_set()

static void chip_flags_set ( chip_t *  self, register_flags_t  flag, byte  value  )

static

chip_flags_update_carry()

static void chip_flags_update_carry ( chip_t *  self, byte  value  )

static

chip_flags_update_overflow()

static void chip_flags_update_overflow ( chip_t *  self, byte  value  )

static

chip_flags_update_zero_negative()

static void chip_flags_update_zero_negative ( chip_t *  self, byte  value  )

static

chip_init()

static void chip_init ( chip_t *  self, allocator_t  allocator, sz  memory_size, u32  quota  )

static

chip_load_rom()

static void chip_load_rom ( chip_t *  self, byte *  rom, size_t  len, u16  rom_start  )

static

chip_memory_add_callback()

static void chip_memory_add_callback ( chip_t *  self, chip_memory_callback_t  callback  )

static

chip_memory_perform_read()

static u32 chip_memory_perform_read ( chip_t *  self, addressing_mode_t  mode  )

static

chip_memory_perform_write()

static u16 chip_memory_perform_write ( chip_t *  self, addressing_mode_t  mode, byte  value  )

static

chip_memory_read_addr()

static u16 chip_memory_read_addr ( chip_t *  self, addressing_mode_t  mode  )

static

chip_memory_read_direct()

static byte chip_memory_read_direct ( chip_t *  self, u16  at  )

static

chip_memory_read_dword()

static u16 chip_memory_read_dword ( chip_t *  self, addressing_mode_t  mode  )

static

chip_memory_read_word()

static byte chip_memory_read_word ( chip_t *  self, addressing_mode_t  mode  )

static

chip_memory_write_direct()

static void chip_memory_write_direct ( chip_t *  self, u16  at, byte  value  )

static

chip_pc_inc()

static byte chip_pc_inc ( chip_t *  self )

static

chip_stack_pull()

static byte chip_stack_pull ( chip_t *  self )

static

chip_stack_push()

static void chip_stack_push ( chip_t *  self, byte  value  )

static

get_memory_addr()

static u16 get_memory_addr ( u32  read )

static

get_memory_word()

static byte get_memory_word ( u32  read )

static