void store_pixel(uint32_t color, int x, int y)
{
uwrite_int8s("Storing pixel:");
int8_t buffer[64];
uint32_t y_addr = (y & 0x3FF) << 12;
uint32_t x_addr = (x & 0x3FF) << 2;
uint32_t address = 0x40400000 | y_addr | x_addr;
volatile uint32_t* p = (volatile uint32_t*)(address);
uwrite_int8s(uint32_to_ascii_hex(address, buffer, 64));
uwrite_int8s("\r\n");
*p = color;
}
int8_t uread_int8(void) {
int8_t ch;
int idx;
while (UARTR_IN_INDEX == UARTR_OUT_INDEX) {
/* wait */
}
asm ("mtc0 $0, $12"); // disable interrupts
idx = UARTR_OUT_INDEX;
UARTR_OUT_INDEX = (UARTR_OUT_INDEX + 1) & 255;
ch = UARTR_BUFFER[idx];
asm ("ori $k1, $0, 0xBC01");
asm ("mtc0 $k1, $12");
#if 0
if (ch == '\x0d') {
uwrite_int8s("\r\n");
} else {
uwrite_int8(ch);
}
#endif
return ch;
}
int8_t uread_int8(void)
{
while (!URECV_CTRL) ;
int8_t ch = URECV_DATA;
if (ch == '\x0d') {
uwrite_int8s("\r\n");
} else {
uwrite_int8(ch);
}
return ch;
}
int main(void){
uwrite_int8s("\r\n");
for ( ; ; ) {
uwrite_int8s("CP4> ");
int8_t buffer[BUFFER_LEN];
int8_t* input = read_token(buffer, BUFFER_LEN, " \x0d");
if (strcmp(input, "file") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t file_length = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
store(address, file_length);
} else if (strcmp(input, "jal") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
entry_t start = (entry_t)(address);
start();
} else if (strcmp(input, "lw") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint32_t* p = (volatile uint32_t*)(address);
uwrite_int8s(uint32_to_ascii_hex(address, buffer, BUFFER_LEN));
uwrite_int8s(":");
uwrite_int8s(uint32_to_ascii_hex(*p, buffer, BUFFER_LEN));
uwrite_int8s("\r\n");
} else if (strcmp(input, "lhu") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint16_t* p = (volatile uint16_t*)(address);
uwrite_int8s(uint32_to_ascii_hex(address, buffer, BUFFER_LEN));
uwrite_int8s(":");
uwrite_int8s(uint16_to_ascii_hex(*p, buffer, BUFFER_LEN));
uwrite_int8s("\r\n");
} else if (strcmp(input, "lbu") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint8_t* p = (volatile uint8_t*)(address);
uwrite_int8s(uint32_to_ascii_hex(address, buffer, BUFFER_LEN));
uwrite_int8s(":");
uwrite_int8s(uint8_to_ascii_hex(*p, buffer, BUFFER_LEN));
uwrite_int8s("\r\n");
} else if (strcmp(input, "sw") == 0) {
uint32_t word = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint32_t* p = (volatile uint32_t*)(address);
*p = word;
} else if (strcmp(input, "sh") == 0) {
uint16_t half = ascii_hex_to_uint16(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint16_t* p = (volatile uint16_t*)(address);
*p = half;
} else if (strcmp(input, "sb") == 0) {
uint8_t byte = ascii_hex_to_uint8(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint8_t* p = (volatile uint8_t*)(address);
*p = byte;
}
//TODO: your job to fill in your calls to these commands
else if(strcmp(input, "swline") == 0) {
uint32_t color = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t X0 = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t Y0 = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t X1 = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t Y1 = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t buffAddr = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
swline(color,X0,Y0,X1,Y1,buffAddr);
}
else if (strcmp(input, "hwline") == 0) {
uint32_t color = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t X0 = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t Y0 = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t X1 = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t Y1 = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t buffAddr = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
hwline(color,X0,Y0,X1,Y1,buffAddr);
}
else if (strcmp(input, "fill") == 0) {
uint32_t color = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t buffAddr = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
fill(color, buffAddr);
}
else if (strcmp(input, "swfill") == 0) {
uint32_t color = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t buffAddr = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
swfill(color, buffAddr);
}
else {
uwrite_int8s("Error: Unrecognized command\n\r");
}
}
return 0;
}
int main(void)
{
uwrite_int8s("\r\n");
for ( ; ; ) {
uwrite_int8s("Hell> ");
int8_t buffer[BUFFER_LEN];
int8_t* input = read_token(buffer, BUFFER_LEN, " \x0d");
if (strcmp(input, "file") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t file_length = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
store(address, file_length);
} else if (strcmp(input, "jal") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
entry_t start = (entry_t)(address);
start();
} else if (strcmp(input, "lw") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint32_t* p = (volatile uint32_t*)(address);
uwrite_int8s(uint32_to_ascii_hex(address, buffer, BUFFER_LEN));
uwrite_int8s(":");
uwrite_int8s(uint32_to_ascii_hex(*p, buffer, BUFFER_LEN));
uwrite_int8s("\r\n");
} else if (strcmp(input, "lhu") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint16_t* p = (volatile uint16_t*)(address);
uwrite_int8s(uint32_to_ascii_hex(address, buffer, BUFFER_LEN));
uwrite_int8s(":");
uwrite_int8s(uint16_to_ascii_hex(*p, buffer, BUFFER_LEN));
uwrite_int8s("\r\n");
} else if (strcmp(input, "lbu") == 0) {
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint8_t* p = (volatile uint8_t*)(address);
uwrite_int8s(uint32_to_ascii_hex(address, buffer, BUFFER_LEN));
uwrite_int8s(":");
uwrite_int8s(uint8_to_ascii_hex(*p, buffer, BUFFER_LEN));
uwrite_int8s("\r\n");
} else if (strcmp(input, "sw") == 0) {
uint32_t word = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint32_t* p = (volatile uint32_t*)(address);
*p = word;
} else if (strcmp(input, "sh") == 0) {
uint16_t half = ascii_hex_to_uint16(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint16_t* p = (volatile uint16_t*)(address);
*p = half;
} else if (strcmp(input, "sb") == 0) {
uint8_t byte = ascii_hex_to_uint8(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t address = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
volatile uint8_t* p = (volatile uint8_t*)(address);
*p = byte;
} else if (strcmp(input, "fill") == 0) {
uint32_t color = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
fill(color);
} else if (strcmp(input, "hwline") == 0) {
int8_t buffer[64];
uint32_t color = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t x0 = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t y0 = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t x1 = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t y1 = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uwrite_int8s("\r\n");
uwrite_int8s(uint32_to_ascii_hex(color, buffer, 64));
uwrite_int8s("\r\n");
uwrite_int8s(uint32_to_ascii_hex(x0, buffer, 64));
uwrite_int8s("\r\n");
uwrite_int8s(uint32_to_ascii_hex(y0, buffer, 64));
uwrite_int8s("\r\n");
uwrite_int8s(uint32_to_ascii_hex(x1, buffer, 64));
uwrite_int8s("\r\n");
uwrite_int8s(uint32_to_ascii_hex(y1, buffer, 64));
uwrite_int8s("\r\n");
uwrite_int8s("\r\n");
hwline(color, x0, y0, x1, y1);
} else if (strcmp(input, "swline") == 0) {
uint32_t color = ascii_hex_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t x0 = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t y0 = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t x1 = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
uint32_t y1 = ascii_dec_to_uint32(read_token(buffer, BUFFER_LEN, " \x0d"));
swline(color, x0, y0, x1, y1);
} else {
uwrite_int8s("\n\rGo f**k yourself: ");
uwrite_int8s(input);
uwrite_int8s("\n\r");
}
}
return 0;
}
