Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-22 13:48:55 +03:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

Refactored the COP400 CPU cores to use the new memory functions.

Browse Source
This commit is contained in:
Curt Coder 2008-11-19 17:47:38 +00:00
parent e0d6d1323d
commit 49a90686e8
5 changed files with 51 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/emu/cpu/cop400/410ops.c
View File

@ -19,6 +19,10 @@ struct _cop400_state
{
const cop400_interface *intf;
const address_space *program;
const address_space *data;
const address_space *io;
/* registers */
UINT10 pc; /* 11-bit ROM address program counter */
UINT10 prevpc; /* previous value of program counter */
@ -32,6 +36,8 @@ struct _cop400_state
UINT4 sio; /* 4-bit shift register and counter */
UINT1 skl; /* 1-bit latch for SK output */
UINT8 si; /* serial input */
UINT4 h; /* 4-bit general purpose I/O port (COP440 only) */
UINT8 r; /* 8-bit general purpose I/O port (COP440 only) */
/* counter */
UINT8 t; /* 8-bit timer */
@ -77,12 +83,11 @@ typedef struct {
#define INSTRUCTION(mnemonic) INLINE void (mnemonic)(cop400_state *cop400, UINT8 opcode)
#define ROM(addr) program_decrypted_read_byte(addr)
#define RAM_W(addr, value) (data_write_byte_8le(addr, value))
#define RAM_R(addr) (data_read_byte_8le(addr))
#define IN(addr) io_read_byte_8le(addr)
#define OUT(addr, value) io_write_byte_8le(addr, value)
#define ROM(a) memory_decrypted_read_byte(cop400->program, a)
#define RAM_R(a) memory_read_byte_8le(cop400->data, a)
#define RAM_W(a, v) memory_write_byte_8le(cop400->data, a, v)
#define IN(a) memory_read_byte_8le(cop400->io, a)
#define OUT(a, v) memory_write_byte_8le(cop400->io, a, v)
#define A cop400->a
#define B cop400->b

21
src/emu/cpu/cop400/cop400.h
View File

@ -14,13 +14,18 @@
#ifndef __COP400__
#define __COP400__
#define COP400_PORT_L 0x100
#define COP400_PORT_G 0x101
#define COP400_PORT_D 0x102
#define COP400_PORT_IN 0x103
#define COP400_PORT_SK 0x104
#define COP400_PORT_SIO 0x105
#define COP400_PORT_CKO 0x106
enum
{
COP400_PORT_L = 0x100,
COP400_PORT_G,
COP400_PORT_D,
COP400_PORT_H,
COP400_PORT_R,
COP400_PORT_IN,
COP400_PORT_SK,
COP400_PORT_SIO,
COP400_PORT_CKO
};
enum
{
@ -29,6 +34,8 @@ enum
COP400_B,
COP400_C,
COP400_G,
COP400_H,
COP400_R,
COP400_EN,
COP400_Q,
COP400_SA,

8
src/emu/cpu/cop400/cop410.c
View File

@ -21,6 +21,8 @@
*/
#define NO_LEGACY_MEMORY_HANDLERS 1
#include "driver.h"
#include "cpuintrf.h"
#include "debugger.h"
@ -182,6 +184,12 @@ static CPU_INIT( cop410 )
cop400->device = device;
cop400->intf = (cop400_interface *) device->static_config;
/* get address spaces */
cop400->program = cpu_get_address_space(device, ADDRESS_SPACE_PROGRAM);
cop400->data = cpu_get_address_space(device, ADDRESS_SPACE_DATA);
cop400->io = cpu_get_address_space(device, ADDRESS_SPACE_IO);
/* set output pin masks */
cop400->g_mask = 0x0f;

8
src/emu/cpu/cop400/cop420.c
View File

@ -23,6 +23,8 @@
*/
#define NO_LEGACY_MEMORY_HANDLERS 1
#include "driver.h"
#include "cpuintrf.h"
#include "debugger.h"
@ -184,6 +186,12 @@ static CPU_INIT( cop420 )
cop400->device = device;
cop400->intf = (cop400_interface *) device->static_config;
/* get address spaces */
cop400->program = cpu_get_address_space(device, ADDRESS_SPACE_PROGRAM);
cop400->data = cpu_get_address_space(device, ADDRESS_SPACE_DATA);
cop400->io = cpu_get_address_space(device, ADDRESS_SPACE_IO);
/* set output pin masks */
cop400->g_mask = 0x0f; // G0-G3 available

11
src/emu/cpu/cop400/cop440.c
View File

@ -13,7 +13,8 @@
TODO:
- COP441
- rename this file to cop444.c
- COP440/COP441/COP442 (new registers: 4-bit H, 8-bit R; some new opcodes, 2Kx8 ROM, 160x4 RAM)
- COP404 emulation configuration inputs
- RAM bus width
- get rid of LBIOps/InstLen
@ -26,6 +27,8 @@
*/
#define NO_LEGACY_MEMORY_HANDLERS 1
#include "driver.h"
#include "cpuintrf.h"
#include "debugger.h"
@ -195,6 +198,12 @@ static CPU_INIT( cop444 )
cop400->device = device;
cop400->intf = (cop400_interface *) device->static_config;
/* get address spaces */
cop400->program = cpu_get_address_space(device, ADDRESS_SPACE_PROGRAM);
cop400->data = cpu_get_address_space(device, ADDRESS_SPACE_DATA);
cop400->io = cpu_get_address_space(device, ADDRESS_SPACE_IO);
/* set output pin masks */
cop400->g_mask = 0x0f; // G0-G3 available