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6.7 KiB

#include <stdint.h>
#include <dma.h>
#include <n64sys.h>
#include "sys.h"
#include "types.h"
#include "everdrive.h"
#include "errors.h"
#include "usb.h"
u32 asm_date;
Options_st options;
u32 native_tv_mode;
#define CIC_6101 1
#define CIC_6102 2
#define CIC_6103 3
#define CIC_6104 4
#define CIC_6105 5
#define CIC_6106 6
u16 strcon(u8 *str1, u8 *str2, u8 *dst, u16 max_len) {
u16 len = 0;
max_len -= 1;
while (*str1 != 0 && len < max_len) {
*dst++ = *str1++;
len++;
}
while (*str2 != 0 && len < max_len) {
*dst++ = *str2++;
len++;
}
*dst++ = 0;
return len;
}
void dma_read_s(void * ram_address, unsigned long pi_address, unsigned long len) {
u32 buff[256];
u32 *bptr;
u32 *rptr = (u32 *) ram_address;
// if(len==32768)
// rptr = (u32 *) 0x803F7988;
u16 i;
//u16 blen = 512;
//if (len < 512)blen = len;
//*(volatile u32*) 0x1FC007FC = 0x08;
IO_WRITE(PI_STATUS_REG, 3);
while (len) {
dma_read(buff, pi_address, 512);
while ((IO_READ(PI_STATUS_REG) & 3) != 0);
//while ((*((volatile u32*) PI_STATUS_REG) & 0x02) != 1);
data_cache_hit_invalidate(buff, 512);
bptr = buff;
for (i = 0; i < 512 && i < len; i += 4)*rptr++ = *bptr++;
len = len < 512 ? 0 : len - 512;
pi_address += 512;
}
}
void dma_write_s(void * ram_address, unsigned long pi_address, unsigned long len) {
//if(len==32768)
//ram_address = (u32 *) 0x803F7988;
data_cache_hit_writeback(ram_address, len);
dma_write(ram_address, pi_address, len);
}
/*
void showError(char *str, u32 code) {
console_printf("%s%u\n", str, code);
joyWait();
}
*/
void sleep(u32 ms) {
u32 current_ms = get_ticks_ms();
while (get_ticks_ms() - current_ms < ms);
}
void dma_read_sram(void *dest, u32 offset, u32 size) {
/*
PI_DMAWait();
IO_WRITE(PI_STATUS_REG, 0x03);
IO_WRITE(PI_DRAM_ADDR_REG, K1_TO_PHYS(dest));
IO_WRITE(PI_CART_ADDR_REG, (0xA8000000 + offset));
// data_cache_invalidate_all();
IO_WRITE(PI_WR_LEN_REG, (size - 1));
*/
/* 0xA8000000
* 0xb0000000
* 0x4000000
* */
dma_read_s(dest, 0xA8000000 + offset, size);
//data_cache_invalidate(dest,size);
}
void dma_write_sram(void* src, u32 offset, u32 size) {
/*
PI_DMAWait();
IO_WRITE(PI_STATUS_REG, 0x02);
IO_WRITE(PI_DRAM_ADDR_REG, K1_TO_PHYS(src));
IO_WRITE(PI_CART_ADDR_REG, (0xA8000000 + offset));
// data_cache_invalidate_all();
IO_WRITE(PI_RD_LEN_REG, (size - 1));
*/
dma_write_s(src, 0xA8000000 + offset, size);
}
#define DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
#define DO2(buf) DO1(buf); DO1(buf);
#define DO4(buf) DO2(buf); DO2(buf);
#define DO8(buf) DO4(buf); DO4(buf);
unsigned int CRC_Calculate(unsigned int crc, unsigned char* buf, unsigned int len) {
static unsigned int crc_table[256];
static int make_crc_table = 1;
if (make_crc_table) {
unsigned int c, n;
int k;
unsigned int poly;
const unsigned char p[] = {0, 1, 2, 4, 5, 7, 8, 10, 11, 12, 16, 22, 23, 26};
/* make exclusive-or pattern from polynomial (0xedb88320L) */
poly = 0L;
for (n = 0; n < sizeof (p) / sizeof (unsigned char); n++)
poly |= 1L << (31 - p[n]);
for (n = 0; n < 256; n++) {
c = n;
for (k = 0; k < 8; k++)
c = c & 1 ? poly ^ (c >> 1) : c >> 1;
crc_table[n] = c;
}
make_crc_table = 0;
}
if (buf == (void*) 0) return 0L;
crc = crc ^ 0xffffffffL;
while (len >= 8) {
DO8(buf);
len -= 8;
}
if (len)
do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffL;
}
u32 ii;
volatile u32 *pt;
void clean();
#define MEM32(addr) *((volatile u32 *)addr)
u8 str_buff[128];
u8 STR_intToDecString(u32 val, u8 *str) {
int len;
if (val < 10)len = 1;
else
if (val < 100)len = 2;
else
if (val < 1000)len = 3;
else
if (val < 10000)len = 4;
else
if (val < 100000)len = 5;
else
if (val < 1000000)len = 6;
else
if (val < 10000000)len = 7;
else
if (val < 100000000)len = 8;
else
if (val < 1000000000)len = 9;
else len = 10;
str += len;
str[0] = 0;
if (val == 0)*--str = '0';
while (val) {
*--str = '0' + val % 10;
val /= 10;
}
return len;
}
void STR_intToDecStringMin(u32 val, u8 *str, u8 min_size) {
int len;
u8 i;
if (val < 10)len = 1;
else
if (val < 100)len = 2;
else
if (val < 1000)len = 3;
else
if (val < 10000)len = 4;
else
if (val < 100000)len = 5;
else
if (val < 1000000)len = 6;
else
if (val < 10000000)len = 7;
else
if (val < 100000000)len = 8;
else
if (val < 1000000000)len = 9;
else len = 10;
if (len < min_size) {
i = min_size - len;
while (i--)str[i] = '0';
len = min_size;
}
str += len;
str[0] = 0;
if (val == 0)*--str = '0';
while (val) {
*--str = '0' + val % 10;
val /= 10;
}
}
u8 streq(u8 *str1, u8 *str2) {
u8 s1;
u8 s2;
for (;;) {
s1 = *str1++;
s2 = *str2++;
if (s1 >= 'a' && s1 <= 'z')s1 -= 0x20;
if (s2 >= 'a' && s2 <= 'z')s2 -= 0x20;
if (s1 != s2) return 0;
if (*str1 == 0 && *str2 == 0)return 1;
}
}
u8 streql(u8 *str1, u8 *str2, u8 len) {
u8 s1;
u8 s2;
while (len--) {
s1 = *str1++;
s2 = *str2++;
if (s1 >= 'a' && s1 <= 'z')s1 -= 0x20;
if (s2 >= 'a' && s2 <= 'z')s2 -= 0x20;
if (s1 != s2) return 0;
}
return 1;
}
u16 strContain(u8 *target, u8 *str) {
u16 targ_len = slen(target);
u16 eq_len;
for (eq_len = 0; eq_len < targ_len;) {
if (*str == 0)return 0;
if (*str++ == target[eq_len]) {
eq_len++;
} else {
eq_len = 0;
}
}
if (eq_len != targ_len)return 0;
return 1;
}
u8 slen(u8 *str) {
u8 len = 0;
while (*str++)len++;
return len;
}
u8 scopy(u8 *src, u8 *dst) {
u8 len = 0;
while (*src != 0) {
*dst++ = *src++;
len++;
}
*dst = 0;
return len;
}
void strhicase(u8 *str, u8 len) {
if (len) {
while (len--) {
if (*str >= 'a' && *str <= 'z')*str -= 0x20;
str++;
}
} else {
while (*str != 0) {
if (*str >= 'a' && *str <= 'z')*str -= 0x20;
str++;
}
}
}