Whatevers

2022-01-04 09:09:21 -08:00
commit c882f07089
16 changed files with 635 additions and 0 deletions
--- a/src/main.c
+++ b/src/main.c
@@ -0,0 +1,82 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "libs.h"
+#include "text.h"
+
+const uint8_t std_data[] = {
+  /* Basic tiles (0xFC to 0xFF) */
+  0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
+  0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,
+  0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,
+  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+};
+
+#define NBDFRAMES 0x18                  /* Nb frames for the door */
+#define NBSFRAMES 0x07                  /* Nb frames for the sprite */
+#define WINSZX    0x80                  /* Size of the picture in the window */
+#define WINSZY    0x50
+#define MINWINX   (MAXWNDPOSX-WINSZX+1) /* Bounds of the window origin */
+#define MINWINY   (MAXWNDPOSY-WINSZY+1)
+#define MAXWINX   MAXWNDPOSX
+#define MAXWINY   MAXWNDPOSY
+#define FADESTEP  0x10                  /* Nb steps for the fading effect */
+#define STARTFADE (0x06*FADESTEP)       /* Initial value for the fading effect */
+
+#define CLOSED  0x00
+#define OPENING 0x01
+#define OPENED  0x02
+#define CLOSING 0x03
+
+static uint8_t time = 0;/* Global "time" value (counter) */
+
+void main() {
+  uint8_t i;
+  int16_t j;
+
+  disable_interrupts();
+  DISPLAY_OFF;
+  LCDC_REG = LCDCF_OFF | LCDCF_BG8800 | LCDCF_BG9800 | LCDCF_BGON;
+  /*
+   * LCD        = Off
+   * BG Chr     = 0x8800
+   * BG Bank    = 0x9800
+   * BG         = On
+   */
+  BGP_REG = 0xE4U;
+
+  set_bkg_data(0x00, 0x04, std_data);
+  set_bkg_data(0x04, FONT_TILE_COUNT, FONT);
+
+  // Fill screen white
+  uint8_t filled[0x20*0x20];
+  for(j = 0; j < 0x20*0x20; j++) {
+    filled[j] = 0x00;
+  }
+  set_bkg_tiles(0x00, 0x00, 0x20, 0x20, filled);
+  SCX_REG = 0x00;
+  SCY_REG = 0x00;
+
+  DISPLAY_ON;
+  enable_interrupts();
+  wait_vbl_done();
+
+  // Now set BKG tiles
+  uint8_t bkg_tiles[FONT_TILE_COUNT];
+  for(i = 0; i < FONT_TILE_COUNT; i++) {
+    bkg_tiles[i] = i;
+  }
+  set_bkg_tiles(0, 0, 0x08, 0x08, bkg_tiles);
+
+  while(1) {
+    /* Skip four VBLs (slow down animation) */
+    for(i = 0; i < 4; i++) {
+      wait_vbl_done();
+    }
+    time++;
+  }
+}