142 lines
4.2 KiB
C
142 lines
4.2 KiB
C
/*
|
|
* =====================================================================================
|
|
*
|
|
* ________ .__ __ ________ ____ ________
|
|
* \_____ \ __ __|__| ____ | | __\______ \ _______ _/_ |/ _____/
|
|
* / / \ \| | \ |/ ___\| |/ / | | \_/ __ \ \/ /| / __ \
|
|
* / \_/. \ | / \ \___| < | ` \ ___/\ / | \ |__\ \
|
|
* \_____\ \_/____/|__|\___ >__|_ \/_______ /\___ >\_/ |___|\_____ /
|
|
* \__> \/ \/ \/ \/ \/
|
|
*
|
|
* www.optixx.org
|
|
*
|
|
*
|
|
* Version: 1.0
|
|
* Created: 07/21/2009 03:32:16 PM
|
|
* Author: david@optixx.org
|
|
*
|
|
* =====================================================================================
|
|
*/
|
|
|
|
#include <avr/io.h>
|
|
#include <avr/interrupt.h>
|
|
#include <util/delay.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "config.h"
|
|
#include "requests.h"
|
|
#include "sram.h"
|
|
#include "info.h"
|
|
#include "irq.h"
|
|
#include "usbdrv.h"
|
|
#include "rle.h"
|
|
#include "loader.h"
|
|
#include "system.h"
|
|
|
|
|
|
extern usb_transaction_t usb_trans;
|
|
extern system_t system;
|
|
|
|
extern const char *_rom[];
|
|
extern const char _rom01[];
|
|
extern const int _rom_size[];
|
|
|
|
void usb_connect()
|
|
{
|
|
uint8_t i = 0;
|
|
info_P(PSTR("USB init\n"));
|
|
usbDeviceDisconnect(); /* enforce re-enumeration, do this while */
|
|
cli();
|
|
info_P(PSTR("USB disconnect\n"));
|
|
i = 10;
|
|
while (--i) { /* fake USB disconnect for > 250 ms */
|
|
_delay_ms(50);
|
|
}
|
|
led_on();
|
|
usbDeviceConnect();
|
|
info_P(PSTR("USB connect\n"));
|
|
}
|
|
|
|
|
|
|
|
void boot_startup_rom(uint16_t init_delay)
|
|
{
|
|
uint8_t i;
|
|
uint32_t addr = 0x000000;
|
|
info_P(PSTR("Fetch loader rom\n"));
|
|
|
|
system_set_bus_avr();
|
|
snes_irq_lo();
|
|
system_snes_irq_off();
|
|
system_set_rom_lorom();
|
|
|
|
//info_P(PSTR("Activate AVR bus\n"));
|
|
//avr_bus_active();
|
|
//info_P(PSTR("IRQ off\n"));
|
|
//snes_irq_lo();
|
|
//snes_irq_off();
|
|
//snes_lorom();
|
|
|
|
for (i=0; i<ROM_BUFFER_CNT; i++){
|
|
addr += rle_decode(_rom[i], _rom_size[i], addr);
|
|
}
|
|
info_P(PSTR("\n"));
|
|
|
|
#if DO_CRC_CHECK_LOADER
|
|
dump_memory(0x010000 - 0x100, 0x010000);
|
|
uint16_t crc;
|
|
crc = crc_check_bulk_memory((uint32_t)0x000000,0x010000, 0x010000);
|
|
info(PSTR("crc=%x\n"),crc);
|
|
#endif
|
|
|
|
//snes_irq_lo();
|
|
//snes_irq_off();
|
|
//snes_hirom();
|
|
//snes_wr_disable();
|
|
|
|
//system_set_bus_snes();
|
|
//system_set_rom_hirom();
|
|
//system_set_wr_disable();
|
|
//system_snes_irq_off();
|
|
|
|
snes_irq_lo();
|
|
system_snes_irq_off();
|
|
system_set_rom_hirom();
|
|
system_set_wr_disable();
|
|
system_set_bus_snes();
|
|
|
|
|
|
system_send_snes_reset();
|
|
_delay_ms(init_delay);
|
|
}
|
|
|
|
void banner(){
|
|
uint8_t i;
|
|
for (i=0;i<40;i++)
|
|
info_P(PSTR("\n"));
|
|
info_P(PSTR(" ________ .__ __ ________ ____ ________\n"));
|
|
info_P(PSTR(" \\_____ \\ __ __|__| ____ | | __\\______ \\ _______ _/_ |/ _____/\n"));
|
|
info_P(PSTR(" / / \\ \\| | \\ |/ ___\\| |/ / | | \\_/ __ \\ \\/ /| / __ \\ \n"));
|
|
info_P(PSTR(" / \\_/. \\ | / \\ \\___| < | ` \\ ___/\\ / | \\ |__\\ \\ \n"));
|
|
info_P(PSTR(" \\_____\\ \\_/____/|__|\\___ >__|_ \\/_______ /\\___ >\\_/ |___|\\_____ / \n"));
|
|
info_P(PSTR(" \\__> \\/ \\/ \\/ \\/ \\/ \n"));
|
|
info_P(PSTR("\n"));
|
|
info_P(PSTR(" www.optixx.org\n"));
|
|
info_P(PSTR("\n"));
|
|
info_P(PSTR("System Hw: %s Sw: %s\n"),HW_VERSION,SW_VERSION);
|
|
|
|
}
|
|
|
|
void transaction_status(){
|
|
info_P(PSTR("\nAddr 0x%06lx\n"),usb_trans.req_addr);
|
|
info_P(PSTR("Bank 0x%02x\n"),usb_trans.req_bank);
|
|
info_P(PSTR("Banksize 0x%06lx\n"),usb_trans.req_bank_size);
|
|
info_P(PSTR("Bankcount 0x%02x\n"),usb_trans.req_bank_cnt);
|
|
info_P(PSTR("Status 0x%02x\n"),usb_trans.req_state);
|
|
info_P(PSTR("Percent %02i\n"),usb_trans.req_percent);
|
|
info_P(PSTR("TX buffer %02i\n"),usb_trans.tx_remaining);
|
|
info_P(PSTR("RX buffer %02i\n"),usb_trans.rx_remaining);
|
|
info_P(PSTR("Syncerr %02i\n"),usb_trans.sync_errors);
|
|
}
|
|
|