diff options
Diffstat (limited to 'ROMs')
| -rw-r--r-- | ROMs/.DS_Store | bin | 6148 -> 6148 bytes | |||
| -rw-r--r-- | ROMs/hello_c.asm | 14 | ||||
| -rw-r--r-- | ROMs/hello_c.c | 4 |
3 files changed, 14 insertions, 4 deletions
diff --git a/ROMs/.DS_Store b/ROMs/.DS_Store Binary files differindex 775e323..4906c1a 100644 --- a/ROMs/.DS_Store +++ b/ROMs/.DS_Store diff --git a/ROMs/hello_c.asm b/ROMs/hello_c.asm index 6eba849..e06d4e0 100644 --- a/ROMs/hello_c.asm +++ b/ROMs/hello_c.asm @@ -1,9 +1,17 @@ _main: ; comment mov 5, [$51FF] ; int a = 5 - add [$51FF], 5 ; compute addition - mov AX, [$51FF] ; store back into left param - mov [$51FF], V0 ; return value + push [$51FF] ; left operand + mov 5, V1 ; right operand + pop V0 ; get left operand back + cmp V0, V1 ; compute equality check + bz LX ; check if condition + not + jmp _end_1 ; if succeeds, continue, else jump to end + mov 99, V0 ; return value + ret +_end_1: + mov 0, V0 ; return value ret mov 0, V0 ; fallback return 0 ret diff --git a/ROMs/hello_c.c b/ROMs/hello_c.c index d0abdd5..3310b6b 100644 --- a/ROMs/hello_c.c +++ b/ROMs/hello_c.c @@ -2,5 +2,7 @@ int main() { //comment int a = 5; - return a += 5; + if (a == 5) + return 99; + return 0; }
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