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author | Nguyễn Gia Phong <vn.mcsinyx@gmail.com> | 2020-02-10 17:49:10 +0700 |
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committer | Nguyễn Gia Phong <vn.mcsinyx@gmail.com> | 2020-02-10 17:49:10 +0700 |
commit | 9e37e768b4694038a757366fcdf8e4c6e3ca788d (patch) | |
tree | 87d7d54499471e7694d87743fcbb5c178c8ed159 /mips/chapter-2/exercise-1/l.s | |
parent | 57bfdfe2e58a9dcf95f94d38cbd654b18035735a (diff) | |
download | cp-9e37e768b4694038a757366fcdf8e4c6e3ca788d.tar.gz |
[mips] Finish the second chapter
Diffstat (limited to 'mips/chapter-2/exercise-1/l.s')
-rw-r--r-- | mips/chapter-2/exercise-1/l.s | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/mips/chapter-2/exercise-1/l.s b/mips/chapter-2/exercise-1/l.s new file mode 100644 index 0000000..73b999d --- /dev/null +++ b/mips/chapter-2/exercise-1/l.s @@ -0,0 +1,22 @@ +# for (t1 = 99; t1 > 0; v0 += t1--) + .text +main: + li $v0, 0 # v0 = 0 + li $t1, 99 # t1 = 99 +for: + blez $t1, end # if (t1 <= 0) goto end + add $v0, $v0, $t1 # v0 += t1 + addi $t1, $t1, -1 # t1-- + j for # goto for +end: + + move $a0, $v0 # a0 = v0 + li $v0, 1 # print integer at a0 + syscall + + li $v0, 11 # print character + li $a0, 10 # newline + syscall + + li $v0, 10 # terminate program run + syscall |