43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* cw_st.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2019/06/19 20:40:53 by tmaze #+# #+# */
|
|
/* Updated: 2019/06/27 11:07:38 by tmaze ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "corewar.h"
|
|
|
|
char cw_st_check_args(t_vm *vm, t_process *p, t_args *ag, int *arg)
|
|
{
|
|
return (ag[0].t == REG_CODE && (arg[0] = check_reg(vm, p->pc + 2))
|
|
&& ((ag[1].t == REG_CODE && (arg[1] = check_reg(vm, p->pc + 3)))
|
|
|| ag[1].t == IND_CODE));
|
|
}
|
|
|
|
void cw_st(t_process *p, t_vm *vm)
|
|
{
|
|
int arg[3];
|
|
t_args ag[4];
|
|
|
|
init_args(ag, p, vm);
|
|
arg[2] = cw_ocp(2, ag, 4);
|
|
arg[0] = 0;
|
|
if (cw_st_check_args(vm, p, ag, arg))
|
|
{
|
|
if (ag[1].t == IND_CODE)
|
|
arg[1] = read_two(vm, p->pc + 3);
|
|
if (vm->verb != -1 && vm->verb & VB_OPS)
|
|
ft_printf("P %4d | st r%d %d\n", p->pid, arg[0], arg[1]);
|
|
if (ag[1].t == REG_CODE)
|
|
p->regs[arg[1]] = p->regs[arg[0]];
|
|
else
|
|
write_four(vm, p->pc + (arg[1] % IDX_MOD), p->regs[arg[0]], p->pc);
|
|
}
|
|
cw_move_pc(vm, p, arg[2]);
|
|
}
|