diff options
Diffstat (limited to 'userspace')
| -rw-r--r-- | userspace/err.c | 2 | ||||
| -rw-r--r-- | userspace/snake2.c | 55 |
2 files changed, 56 insertions, 1 deletions
diff --git a/userspace/err.c b/userspace/err.c index 7a33e69..8e5d819 100644 --- a/userspace/err.c +++ b/userspace/err.c @@ -1,6 +1,6 @@ #include <stdio.h> -int main() +int main(int argc, char **argv) { char buf[]="This is a line written to stderr.\n"; int l=fwrite(buf,sizeof(char),strlen(buf),stderr); // write stderr; diff --git a/userspace/snake2.c b/userspace/snake2.c new file mode 100644 index 0000000..78be50d --- /dev/null +++ b/userspace/snake2.c @@ -0,0 +1,55 @@ +#include <stdio.h> + +int data4[100]; + +// syscall will be move to newlib? +#define SYSCALL_CLONE 83 + +int _clone(void) +{ + return syscall(SYSCALL_CLONE,0,0,0); +} + +static char lastc='d'; + +int main() +{ + printf("setvbuf returned %i\n",setvbuf(stdin,NULL,_IONBF,0)); + printf("setvbuf returned %i\n",setvbuf(stdout,NULL,_IONBF,0)); + + printf("\033c"); + printf("\033HFOOL-SNAKE"); + //printf("\033d\033d\033dFOOL-SNAKE"); + printf("\033d"); + char snake[]="FOOLSNAKESFOOL"; + + int thr=_clone(); + if(thr==0) + { + uint64_t x=0; + + while(1) + { + for(int i=0;i<10000000;i++); + + x++; + if(lastc=='d')printf("\033f"); + if(lastc=='a')printf("\033b"); + if(lastc=='w')printf("\033u"); + if(lastc=='s')printf("\033d"); + + printf("\033[0;%im\033b%c",31+(uint8_t)(x%6),snake[x%10]); + + } + + } + else + { + while(1) + { + char c=fgetc(stdin); + lastc=c; + } + } + +} |