/*
 * Source file for miscellaneous operations.
 * 
 * CAR (Cool ARM Ripoff) copyright (c) 2026 David J Goeke. All rights reserved.
 * Unauthorized (re)distribution is prohibited.
*/

#include "include/defs.h"


DEFINE_OP(nop)
{
	OP_RETURN_NORMAL
}

DEFINE_OP(call)
{
	misc_instruction_t i = convert_raw2misc(ri);
	
	_push(state->pc + 1, state);
	
	uint32_t addr = (uint32_t) (state->pc + (int32_t) i.imm);
	
	state->pc = addr;
	
	OP_RETURN_NO_INC_PC
}

DEFINE_OP(ret)
{
	uint32_t r_addr;
	
	_pop(&r_addr, state);
	
	state->pc = r_addr;
	
	OP_RETURN_NO_INC_PC
}

DEFINE_OP(jmp)
{
	misc_instruction_t i = convert_raw2misc(ri);
	
	uint32_t addr = (uint32_t) (state->pc + (int32_t) i.imm);
	
	state->pc = addr;
	
	OP_RETURN_NO_INC_PC
}