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feat: initial version

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Zoëy Noort 2025-05-05 18:50:56 +02:00
parent 0a67fb21d1
commit ee790e99d6
12 changed files with 798 additions and 0 deletions
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60
srcs/input.c Normal file
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#include "input.h"
#include "chip8.h"
#include <stdio.h>
void input_update(SDL_Event *event, uint8_t *keyboard)
{
uint8_t key = map_sdl_to_chip8(event->key.keysym.sym);
if (key != 0xFF)
{
if (event->type == SDL_KEYDOWN)
{
keyboard[key] = 1;
}
else if (event->type == SDL_KEYUP)
{
keyboard[key] = 0;
}
}
}
uint8_t map_sdl_to_chip8(SDL_Keycode key)
{
// Map to a numpad-like layout:
// 1 2 3 4 → 1 2 3 C
// Q W E R → 4 5 6 D
// A S D F → 7 8 9 E
// Z X C V → A 0 B F
switch (key)
{
case SDLK_1: return 0x1;
case SDLK_2: return 0x2;
case SDLK_3: return 0x3;
case SDLK_4: return 0xC;
case SDLK_q: return 0x4;
case SDLK_w: return 0x5;
case SDLK_e: return 0x6;
case SDLK_r: return 0xD;
case SDLK_a: return 0x7;
case SDLK_s: return 0x8;
case SDLK_d: return 0x9;
case SDLK_f: return 0xE;
case SDLK_z: return 0xA;
case SDLK_x: return 0x0;
case SDLK_c: return 0xB;
case SDLK_v: return 0xF;
default: return 0xFF;
}
}
uint8_t get_pressed_key(t_chip8 *emu)
{
for (int i = 0; i < 16; i++)
{
if (emu->keyboard.keyboard[i])
return i;
}
return 0xFF; // No key pressed
}