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# Add the first 10 numbers, and return the result in the exit code.
#
# To run:
# $ ./translate_subx 000init.subx apps/ex3.subx
# $ ./a.elf
# Expected result:
# $ echo $?
# 55
== 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:
# result: ebx = 0
bb/copy-to-ebx 0/imm32
# counter: ecx = 1
b9/copy-to-ecx 1/imm32
$loop:
# if (counter > 10) break
81 7/subop/compare 3/mod/direct 1/rm32/ecx . . . . . 0xa/imm32 # compare ecx
7f/jump-if-> $exit/disp8
# result += counter
01/add 3/mod/direct 3/rm32/ebx . . . 1/r32/ecx . . # add ecx to ebx
# ++counter
41/increment-ecx
# loop
eb/jump $loop/disp8
$exit:
# exit(ebx)
e8/call syscall_exit/disp32
# . . vim:nowrap:textwidth=0
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