diff options
Diffstat (limited to 'dumper.c')
| -rw-r--r-- | dumper.c | 77 |
1 files changed, 31 insertions, 46 deletions
@@ -1,7 +1,7 @@ /* Famicom Dumper/Programmer
*
* Copyright notice for this file:
- * Copyright (C) 2016 Cluster
+ * Copyright (C) 2020 Cluster
* http://clusterrr.com
* clusterrr@clusterrr.com
*
@@ -29,7 +29,7 @@ #include <inttypes.h>
#include "usart.h"
#include "comm.h"
-#include "jtag.h"
+#include "dumper.h"
#define LED_RED_ON PORTB |= (1<<7)
#define LED_RED_OFF PORTB &= ~(1<<7)
@@ -134,8 +134,8 @@ static unsigned char read_coolboy_byte(unsigned int address) set_address(address);
PHI2_HI;
ROMSEL_LOW;
- PORTB |= 1<<TDO_PIN;
- PORTB &= ~(1<<TCK_PIN);
+ COOLBOY_PORT |= 1<<COOLBOY_WR_PIN;
+ COOLBOY_PORT &= ~(1<<COOLBOY_RD_PIN);
_delay_us(1);
return PIND;
}
@@ -233,10 +233,10 @@ static void read_chr_crc_send(unsigned int address, unsigned int len) static void read_coolboy_send(unsigned int address, unsigned int len)
{
LED_GREEN_ON;
- PORTB |= 1<<TCK_PIN;
- PORTB |= 1<<TDO_PIN;
- DDRB |= 1<<TCK_PIN;
- DDRB |= 1<<TDO_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_RD_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_WR_PIN;
+ COOLBOY_DDR |= 1<<COOLBOY_RD_PIN;
+ COOLBOY_DDR |= 1<<COOLBOY_WR_PIN;
comm_start(COMMAND_PRG_READ_RESULT, len);
while (len > 0)
{
@@ -246,11 +246,12 @@ static void read_coolboy_send(unsigned int address, unsigned int len) }
set_address(0);
ROMSEL_HI;
- PORTB |= 1<<TCK_PIN;
- PORTB |= 1<<TDO_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_RD_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_WR_PIN;
- jtag_shutdown();
- LED_GREEN_OFF;
+ COOLBOY_DDR &= ~((1<<COOLBOY_RD_PIN) | (1<<COOLBOY_RD_PIN));
+ COOLBOY_PORT &= ~((1<<COOLBOY_RD_PIN) | (1<<COOLBOY_RD_PIN));
+ LED_GREEN_OFF;
}
static void write_prg_byte(unsigned int address, uint8_t data)
@@ -333,8 +334,8 @@ static void write_prg_flash_command(unsigned int address, uint8_t data) static void write_coolboy_flash_command(unsigned int address, uint8_t data)
{
- PORTB |= 1<<TCK_PIN;
- PORTB |= 1<<TDO_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_RD_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_WR_PIN;
ROMSEL_HI;
PRG_READ;
set_address(address);
@@ -344,11 +345,11 @@ static void write_coolboy_flash_command(unsigned int address, uint8_t data) ROMSEL_LOW;
_delay_us(1);
- PORTB &= ~(1<<TDO_PIN);
+ PORTB &= ~(1<<COOLBOY_WR_PIN);
_delay_us(1);
- PORTB |= 1<<TDO_PIN;
+ PORTB |= 1<<COOLBOY_WR_PIN;
set_address(0);
ROMSEL_HI;
MODE_READ;
@@ -437,10 +438,10 @@ static int erase_prg_flash() static int erase_coolboy_sector()
{
LED_RED_ON;
- PORTB |= 1<<TCK_PIN;
- PORTB |= 1<<TDO_PIN;
- DDRB |= 1<<TCK_PIN;
- DDRB |= 1<<TDO_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_RD_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_WR_PIN;
+ COOLBOY_DDR |= 1<<COOLBOY_RD_PIN;
+ COOLBOY_DDR |= 1<<COOLBOY_WR_PIN;
ROMSEL_HI;
write_coolboy_flash_command(0x0000, 0xF0);
@@ -464,7 +465,8 @@ static int erase_coolboy_sector() set_address(0);
ROMSEL_HI;
- jtag_shutdown();
+ COOLBOY_DDR &= ~((1<<COOLBOY_RD_PIN) | (1<<COOLBOY_RD_PIN));
+ COOLBOY_PORT &= ~((1<<COOLBOY_RD_PIN) | (1<<COOLBOY_RD_PIN));
LED_RED_OFF;
return timeout < 3000;
}
@@ -547,10 +549,10 @@ static int write_prg_flash(unsigned int address, unsigned int len, uint8_t* data static int write_coolboy(unsigned int address, unsigned int len, uint8_t* data)
{
LED_RED_ON;
- PORTB |= 1<<TCK_PIN;
- PORTB |= 1<<TDO_PIN;
- DDRB |= 1<<TCK_PIN;
- DDRB |= 1<<TDO_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_RD_PIN;
+ COOLBOY_PORT |= 1<<COOLBOY_WR_PIN;
+ COOLBOY_DDR |= 1<<COOLBOY_RD_PIN;
+ COOLBOY_DDR |= 1<<COOLBOY_WR_PIN;
ROMSEL_HI;
uint8_t ok = 1;
while (len > 0)
@@ -613,7 +615,8 @@ static int write_coolboy(unsigned int address, unsigned int len, uint8_t* data) data = d;
}
ROMSEL_HI;
- jtag_shutdown();
+ COOLBOY_DDR &= ~((1<<COOLBOY_RD_PIN) | (1<<COOLBOY_RD_PIN));
+ COOLBOY_PORT &= ~((1<<COOLBOY_RD_PIN) | (1<<COOLBOY_RD_PIN));
LED_RED_OFF;
return ok;
}
@@ -761,7 +764,8 @@ int main (void) sei();
USART_init();
init_ports();
- jtag_shutdown();
+ COOLBOY_DDR &= ~((1<<COOLBOY_RD_PIN) | (1<<COOLBOY_RD_PIN));
+ COOLBOY_PORT &= ~((1<<COOLBOY_RD_PIN) | (1<<COOLBOY_RD_PIN));
LED_RED_OFF;
LED_GREEN_OFF;
@@ -938,25 +942,6 @@ int main (void) comm_start(COMMAND_CHR_WRITE_DONE, 0);
break;
- case COMMAND_JTAG_SETUP:
- jtag_setup();
- comm_start(COMMAND_JTAG_RESULT, 1);
- comm_send_byte(1);
- break;
-
- case COMMAND_JTAG_SHUTDOWN:
- jtag_shutdown();
- comm_start(COMMAND_JTAG_RESULT, 1);
- comm_send_byte(1);
- break;
-
- case COMMAND_JTAG_EXECUTE:
- address = recv_buffer[0] | ((uint16_t)recv_buffer[1]<<8);
- comm_start(COMMAND_JTAG_RESULT, 1);
- LED_RED_ON;
- comm_send_byte(jtag_execute(address, (uint8_t*) &recv_buffer[2]));
- LED_RED_OFF;
- break;
case COMMAND_BOOTLOADER:
cli();
MCUCSR = 0;
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