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lab4 tutorial updated and imported some docs from orginal YatCPU docs

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PurplePower
2025-08-25 22:03:10 +08:00
parent bd3a38a3c1
commit aaa87c1fdf
121 changed files with 2368 additions and 163 deletions
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41
lab4/csrc/say_goodbye.c
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@@ -15,30 +15,31 @@ void waste_some_time(int cycle) {
int main() {
// const char* s = "abcd";
const char* s = "Never gonna give you up~ Never gonna let you down~\n"
"Never gonna run around and~ desert you~\n";
// const char* s = "abcd";
const char* s = "Never gonna give you up~ Never gonna let you down~\n"
"Never gonna run around and~ desert you~\n";
while (1) {
while (1) {
// for (int i = 0; i < ; i++) {
// uart_send_char(s[i]);
// waste_some_time(100);
// }
const char *p = s;
while (*p != 0)
{
uart_send_char(*p);
p++;
waste_some_time(500);
}
// for (int i = 0; i < ; i++) {
// uart_send_char(s[i]);
// waste_some_time(100);
// }
const char *p = s;
while (*p != 0)
{
uart_send_char(*p);
p++;
waste_some_time(500);
break; // print once, but pressing CPU reset can print again
}
return 0;
waste_some_time(500);
break; // print once, but pressing CPU reset can print again
}
*(int*)(0) = 0xbabecafe; // anchor for program finished
return 0;
}