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| author | Kartik K. Agaram <vc@akkartik.com> | 2021-07-16 08:09:42 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2021-07-16 08:28:56 -0700 |
| commit | 44d26b77c45668c9b0c99894a4294cec004361fe (patch) | |
| tree | 68a5dcd4971873efd4ce184e9bf9a531c2161813 /linux/ex14.subx | |
| parent | ac45f097153afd3a89f43886e4124c5b2c26b98a (diff) | |
| download | mu-44d26b77c45668c9b0c99894a4294cec004361fe.tar.gz | |
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Diffstat (limited to 'linux/ex14.subx')
| -rw-r--r-- | linux/ex14.subx | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/linux/ex14.subx b/linux/ex14.subx deleted file mode 100644 index 531bae7a..00000000 --- a/linux/ex14.subx +++ /dev/null @@ -1,26 +0,0 @@ -# Multiply 2 numbers. -# -# To run: -# $ bootstrap/bootstrap translate ex14.subx -o ex14 -# $ bootstrap/bootstrap run ex14 -# Expected result: -# $ echo $? -# 6 - -== code -# instruction effective address register displacement immediate -# . op subop mod rm32 base index scale r32 -# . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes - -Entry: - b8/copy-to-eax 1/imm32 - b9/copy-to-ecx 2/imm32 - bb/copy-to-ebx 3/imm32 - - 69/multiply 3/mod/direct 1/rm32/ecx . . . 3/r32/ebx 3/imm32 # ebx = ecx * 3 - -$exit: - # exit(ebx) - e8/call syscall_exit/disp32 - -# . . vim:nowrap:textwidth=0 |