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author | Alex AUVOLAT <alex.auvolat@ens.fr> | 2014-01-09 16:10:58 +0100 |
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committer | Alex AUVOLAT <alex.auvolat@ens.fr> | 2014-01-09 16:10:58 +0100 |
commit | 8d87eacbcb26e7abc429d7824e90c617f172045e (patch) | |
tree | 07cffa442f5170503a7148347b969c76435415c0 /cpu/os.asm | |
parent | 35e0c0f16f58a7503045de5e047e029dd06983a2 (diff) | |
download | SystDigit-Projet-8d87eacbcb26e7abc429d7824e90c617f172045e.tar.gz SystDigit-Projet-8d87eacbcb26e7abc429d7824e90c617f172045e.zip |
Make things great !
Diffstat (limited to 'cpu/os.asm')
-rw-r--r-- | cpu/os.asm | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/cpu/os.asm b/cpu/os.asm new file mode 100644 index 0000000..5d58ff7 --- /dev/null +++ b/cpu/os.asm @@ -0,0 +1,25 @@ +.text +init: + li B _clock + lw B 0(B) + jz B init + add D D B + push D + li A msgtick + jal ser_out_msg + pop D + j init + +ser_out_msg: + li C _output +ser_out_msg_loop: + lb B 0(A) + jz B ser_out_msg_ret + sb B 0(C) + incri A 1 + j ser_out_msg_loop +ser_out_msg_ret: + jr RA + +msgtick: + ascii "Tick!" |