diff options
Diffstat (limited to 'c/crt0.s')
| -rw-r--r-- | c/crt0.s | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/c/crt0.s b/c/crt0.s new file mode 100644 index 0000000..cde4b67 --- /dev/null +++ b/c/crt0.s @@ -0,0 +1,11 @@ + .module crt0 + .globl _main + ;; gbos C entry. exec() maps our ROM bank and jumps to the start of _CODE + ;; (linked at 0x4000). Call main(), then exit(0). exec() already set SP. + .area _CODE +_start:: + call _main + ld b, #0 + ld c, #0 ; SYS_EXIT + rst #0x30 +1$: jr 1$ |