Installation

How to compile:

1. Navigate to the right folder with a console.
2. Enter :

make 

Usage

./assembler file_name [-options] [-h for help]

Options

1. -p : To print source program.
2. -s : To print symbol table.
3. -i : To print immediate code.
4. -t : To print literal table.
5. -l : To print lst of the source file.

To use as a shell command

make
make install

Usage

assembler file_name [-options] [-h for help]

To view the lst file, file_name.lst is created when you pass -l

cat file_name.lst

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OP Code Table

modrm can be looked up from table below

value of immediate are in little endian format

Operation	Opcode
mov reg, reg	89 modrm
mov eax, immediate	B8 value of immediate
mov ecx, immediate	B9 value of immediate
mov edx, immediate	BA value of immediate
mov ebx, immediate	BB value of immediate
mov esp, immediate	BC value of immediate
mov ebp, immediate	BD value of immediate
mov esi, immediate	BE value of immediate
mov edi, immediate	BF value of immediate
mov eax, symbol	B8[address of symbol]
mov ecx, symbol	B9[address of symbol]
mov edx, symbol	BA[address of symbol]
mov ebx, symbol	BB[address of symbol]
mov esp, symbol	BC[address of symbol]
mov ebp, symbol	BD[address of symbol]
mov esi, symbol	BE[address of symbol]
mov edi, symbol	BF[address of symbol]
add eax, immediate	81modrm_with_eax value of immediate
add eax, symbol	05 [address of symbol]
add reg, symbol	81modrm_with_eax [address of symbol]
add reg, reg	01 modrm
add reg, immediate	81modrm_with_eax value of immediate
sub eax, immediate	2D value of immediate
sub eax, symbol	2D [address of symbol]
sub reg, symbol	83 modrm_with_eax [address of immediate]
sub reg, reg	29 modrm
sub reg, immediate	83modrm_with_eax [address of immediate]
mul reg0	F7E0
mul reg1	F7E1
mul reg2	F7E2
mul reg3	F7E3
mul reg4	F7E4
mul reg5	F7E5
mul reg6	F7E6
mul reg7	F7E7

Modrm Table

Smaco

This is yet not implemented fully... only some of mov and add instructions work.

To run

./smaco filename.o