mirror/uvm32
1
Fork 0
mirror of https://github.com/ringtailsoftware/uvm32.git synced 2026-06-05 22:43:39 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add UVM32_SYSCALL_RAND to get a "true" random number from the host, as I want to play zigtris and not have it be the same every time.

Browse source
This commit is contained in:
Toby Jaffey 2025-12-17 20:19:31 +00:00
parent 3d83844d5c
commit d780c4e69d
6 changed files with 18 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

5
hosts/host/host.c
View file

@ -190,6 +190,8 @@ int main(int argc, char *argv[]) {
return 1;
}
srand(clock());
uvm32_init(&vmst);
if (!uvm32_load(&vmst, rom, romlen)) {
@ -264,6 +266,9 @@ int main(int argc, char *argv[]) {
case UVM32_SYSCALL_PRINTHEX:
printf("%08x", uvm32_arg_getval(&vmst, &evt, ARG0));
break;
case UVM32_SYSCALL_RAND:
uvm32_arg_setval(&vmst, &evt, RET, rand());
break;
case UVM32_SYSCALL_MILLIS: {
clock_t now = clock() / (CLOCKS_PER_SEC / 1000);
uvm32_arg_setval(&vmst, &evt, RET, now - start_time);