#include "impl_macros.h"

#define mathOperatorImpl(OPERATOR){\
    u8 dst_register_i = 0, src_register_i = 0;\
    readRegisterVar(dst_register_i);\
    readRegisterVar(src_register_i);\
    u8 value_size = 0;\
    readValueSizeVar(value_size);\
    \
    switch(value_size){\
        case 1: \
            vm->registers[dst_register_i].u8v0 OPERATOR##= vm->registers[src_register_i].u8v0;\
            break;\
        case 2: \
            vm->registers[dst_register_i].u16v0 OPERATOR##= vm->registers[src_register_i].u16v0;\
            break;\
        case 4: \
            vm->registers[dst_register_i].u32v OPERATOR##= vm->registers[src_register_i].u32v;\
            break;\
    }\
    return sizeof(dst_register_i) + sizeof(src_register_i) + sizeof(value_size);\
}

/// ADD [dst_register] [src_register]
i32 ADD_impl(VM* vm, size_t pos){
    mathOperatorImpl(+);
}

/// SUB [dst_register] [src_register]
i32 SUB_impl(VM* vm, size_t pos){
    mathOperatorImpl(-);
}

/// MUL [dst_register] [src_register]
i32 MUL_impl(VM* vm, size_t pos){
    mathOperatorImpl(*)
}

/// DIV [dst_register] [src_register]
i32 DIV_impl(VM* vm, size_t pos){
    mathOperatorImpl(/)
}

/// MOD [dst_register] [src_register]
i32 MOD_impl(VM* vm, size_t pos){
    mathOperatorImpl(%)
}