ref: e4faefd1fb34724564665f3ca060f2923de56c02
dir: /snes/input.c/
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <stdint.h> #include <stdbool.h> #include "input.h" #include "snes.h" Input* input_init(Snes* snes) { Input* input = (Input * )malloc(sizeof(Input)); input->snes = snes; // TODO: handle (where?) input->type = 1; input->currentState = 0; return input; } void input_free(Input* input) { free(input); } void input_reset(Input* input) { input->latchLine = false; input->latchedState = 0; } void input_cycle(Input* input) { if(input->latchLine) { input->latchedState = input->currentState; } } uint8_t input_read(Input* input) { uint8_t ret = input->latchedState & 1; input->latchedState >>= 1; input->latchedState |= 0x8000; return ret; }