dma65.c File Reference

#include "xemu/emutools.h"
#include "dma65.h"
#include "xemu/cpu65.h"

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Macros
#define	DEBUGDMA(...)   DEBUG(__VA_ARGS__)
#define	DMA_ADDRESSING(channel)   ((channel.addr & channel.mask) | channel.base)
#define	DMA_READ_SOURCE()   (XEMU_UNLIKELY(source.is_io) ? DMA_SOURCE_IOREADER_FUNC(DMA_ADDRESSING(source)) : DMA_SOURCE_MEMREADER_FUNC(DMA_ADDRESSING(source)))
#define	DMA_READ_TARGET()   (XEMU_UNLIKELY(target.is_io) ? DMA_TARGET_IOREADER_FUNC(DMA_ADDRESSING(target)) : DMA_TARGET_MEMREADER_FUNC(DMA_ADDRESSING(target)))
#define	DMA_WRITE_SOURCE(data)
#define	DMA_WRITE_TARGET(data)
#define	DMA_READ_LIST_NEXT_BYTE()   DMA_LIST_READER_FUNC(((list_addr++) & 0xFFFF) | list_base)

Enumerations
enum	dma_op_types {   COPY_OP, MIX_OP, SWAP_OP, FILL_OP,   COPY_OP, MIX_OP, SWAP_OP, FILL_OP }

Functions
void	dma_write_reg (int addr, Uint8 data)
int	dma_update (void)
int	dma_update_multi_steps (int do_for_cycles)
void	detect_rom_date (Uint8 *p)
void	dma_init_set_rev (unsigned int revision, Uint8 *rom_ver_signature)
void	dma_init (unsigned int revision)
void	dma_reset (void)
Uint8	dma_read_reg (int addr)

Variables
Uint8	dma_status
Uint8	dma_registers [16]
int	dma_chip_revision
int	dma_chip_initial_revision
int	rom_date = 0

Macro Definition Documentation

DEBUGDMA

#define DEBUGDMA

(

...

)

DEBUG(__VA_ARGS__)

Definition at line 48 of file dma65.c.

DMA_ADDRESSING

#define DMA_ADDRESSING

(

channel

)

((channel.addr & channel.mask) | channel.base)

Definition at line 77 of file dma65.c.

DMA_READ_LIST_NEXT_BYTE

#define DMA_READ_LIST_NEXT_BYTE

(

)

DMA_LIST_READER_FUNC(((list_addr++) & 0xFFFF) | list_base)

Definition at line 114 of file dma65.c.

DMA_READ_SOURCE

#define DMA_READ_SOURCE

(

)

(XEMU_UNLIKELY(source.is_io) ? DMA_SOURCE_IOREADER_FUNC(DMA_ADDRESSING(source)) : DMA_SOURCE_MEMREADER_FUNC(DMA_ADDRESSING(source)))

Definition at line 96 of file dma65.c.

DMA_READ_TARGET

#define DMA_READ_TARGET

(

)

(XEMU_UNLIKELY(target.is_io) ? DMA_TARGET_IOREADER_FUNC(DMA_ADDRESSING(target)) : DMA_TARGET_MEMREADER_FUNC(DMA_ADDRESSING(target)))

Definition at line 97 of file dma65.c.

DMA_WRITE_SOURCE

#define DMA_WRITE_SOURCE

(

data

)

Value:

                                        do { \
                                        if (XEMU_UNLIKELY(source.is_io)) \
                                                DMA_SOURCE_IOWRITER_FUNC(DMA_ADDRESSING(source), data); \
					else \
						DMA_SOURCE_MEMWRITER_FUNC(DMA_ADDRESSING(source), data); \
                                } while (0)

Definition at line 98 of file dma65.c.

DMA_WRITE_TARGET

#define DMA_WRITE_TARGET

(

data

)

Value:

                                        do { \
                                        if (XEMU_UNLIKELY(target.is_io)) \
                                                DMA_TARGET_IOWRITER_FUNC(DMA_ADDRESSING(target), data); \
					else \
						DMA_TARGET_MEMWRITER_FUNC(DMA_ADDRESSING(target), data); \
                                } while (0)

Definition at line 104 of file dma65.c.

Enumeration Type Documentation

dma_op_types

enum dma_op_types

Enumerator
COPY_OP
MIX_OP
SWAP_OP
FILL_OP
COPY_OP
MIX_OP
SWAP_OP
FILL_OP

Definition at line 58 of file dma65.c.

Function Documentation

detect_rom_date()

void detect_rom_date

(

Uint8 *

p

)

Definition at line 415 of file dma65.c.

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dma_init()

void dma_init

(

unsigned int

revision

)

Definition at line 465 of file dma65.c.

dma_init_set_rev()

void dma_init_set_rev	(	unsigned int	revision,
		Uint8 *	rom_ver_signature
	)

Definition at line 439 of file dma65.c.

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dma_read_reg()

Uint8 dma_read_reg

(

int

addr

)

Definition at line 502 of file dma65.c.

dma_reset()

void dma_reset

(

void

)

Definition at line 488 of file dma65.c.

dma_update()

int dma_update

(

void

)

Definition at line 215 of file dma65.c.

dma_update_multi_steps()

int dma_update_multi_steps

(

int

do_for_cycles

)

Definition at line 405 of file dma65.c.

dma_write_reg()

void dma_write_reg	(	int	addr,
		Uint8	data
	)

Definition at line 175 of file dma65.c.

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Variable Documentation

addr

int addr

Definition at line 81 of file dma65.c.

base

int base

Definition at line 82 of file dma65.c.

col_counter

int col_counter

Definition at line 90 of file dma65.c.

col_limit

int col_limit

Definition at line 90 of file dma65.c.

dma_chip_initial_revision

int dma_chip_initial_revision

Definition at line 54 of file dma65.c.

dma_chip_revision

int dma_chip_revision

Definition at line 53 of file dma65.c.

dma_registers

Uint8 dma_registers[16]

Definition at line 52 of file dma65.c.

dma_status

Uint8 dma_status

Definition at line 51 of file dma65.c.

enabled

int enabled

Definition at line 90 of file dma65.c.

is_io

int is_io

Definition at line 86 of file dma65.c.

is_modulo

int is_modulo

Definition at line 85 of file dma65.c.

mask

int mask

Definition at line 83 of file dma65.c.

rom_date

int rom_date = 0

Definition at line 55 of file dma65.c.

row_counter

int row_counter

Definition at line 90 of file dma65.c.

row_limit

int row_limit

Definition at line 90 of file dma65.c.

step

int step

Definition at line 84 of file dma65.c.

used

int used

Definition at line 90 of file dma65.c.

value

int value

Definition at line 90 of file dma65.c.