wasm4-color-mix.cpp

#include "wasm4.h"

const uint8_t smiley[] = {
    0b11110000, 0b00001111,
    0b11000000, 0b00000011,
    0b00000100, 0b00010000,
    0b00000100, 0b00010000,
    0b00000000, 0b00000000,
    0b00001100, 0b00110000,
    0b11000011, 0b11000011,
    0b11110000, 0b00001111,
};

int pal = 0;
uint32_t default_pal[4];

void start() {
  default_pal[0] = PALETTE[0];
  default_pal[1] = PALETTE[1];
  default_pal[2] = PALETTE[2];
  default_pal[3] = PALETTE[3];
}

void set_pal(int p) {
  switch(p) {
    case 1:
      PALETTE[0] = default_pal[0];
      PALETTE[1] = default_pal[1];
      PALETTE[2] = 0x00ff00;
      PALETTE[3] = 0x0000ff;
      break;
    default:
      PALETTE[0] = default_pal[0];
      PALETTE[1] = default_pal[1];
      PALETTE[2] = 0xff0000;
      PALETTE[3] = 0x00ff00;
      break;
  }
}

void update () {
    set_pal(pal++%2);

    *DRAW_COLORS = 2;
    text("Hello from C++!", 10, 10);

    *DRAW_COLORS = 0x1243;
    uint8_t gamepad = *GAMEPAD1;
    if (gamepad & BUTTON_1) {
      *DRAW_COLORS = 0x1234;
    }

    blit(smiley, 76, 76, 8, 8, BLIT_2BPP);
    //*DRAW_COLORS = *DRAW_COLORS & 0x000f;
    *DRAW_COLORS = 2;
    text("Press X to blink", 16, 90);
}