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Mason 2019-08-07 12:53:05 -04:00
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# LIBM
An ultra-basic assembly library.
### Files
##### basicmacros.asm
`basicmacro.asm` contains, as the title would imply, basic macros. Simple syscalls to do stuff like print or read some data.
This file includes:
print 2. Prints data onto the console. Usage: `print SomeString LengthOfSomeString`
read 2. Reads data from stdin and stores it somewhere. Usage: `read SomeMemory MaxBytes`
sys_exit 0. Exits the program. Usage: `sys_exit`
TODO: make literally anything else.

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%define NEWLN 0xa
%macro print 2
mov eax, 4
mov ebx, 1
mov ecx, %1 ; text to print
mov edx, %2 ; length of text
int 80h
%endmacro
%macro read 2
mov eax, 3
mov ebx, 2
mov ecx, %1 ; place to store data
mov edx, %2 ; number of bytes to read
int 80h
%endmacro
%macro sys_exit 0
mov eax, 1
mov ebx, 0
int 80h
%endmacro