Add magic cursor demo part.

src/magiccursor.c

@@ -0,0 +1,93 @@
+#include "magiccursor.h"
+
+#include "crt.h"
+#include "cursor.h"
+#include "delay.h"
+#include "io.h"
+#include "printf.h"
+#include "video.h"
+
+#include <stdbool.h>
+
+void magicCursor_run(void) {
+    cursor_enable(false);
+    video_cls();
+
+    // maximum raster raster
+    io_out(0xA0, 9);
+    io_out(0xA1, 0xf);
+
+    video_enableVerticalStretch(false);
+    video_enableHorizontalStretch(false);
+    video_locate(12, 35);
+    printf("THE CURSOR");
+    crt_waitFrames(50);
+
+    cursor_setXY(45, 12);
+    cursor_setStartRaster(13);
+    cursor_setEndRaster(13);
+    cursor_blink(CURSOR_BLINK_FAST);
+    cursor_enable(true);
+    crt_waitFrames(100);
+
+    cursor_blink(CURSOR_BLINK_SLOW);
+    crt_waitFrames(100);
+
+    cursor_blink(CURSOR_BLINK_NONE);
+    crt_waitFrames(100);
+
+    for (uint8_t x = 45; x >= 40; --x) {
+        cursor_setXY(x, 12);
+        crt_waitFrames(20);
+    }
+    cursor_setXY(40, 13);
+    crt_waitFrames(100);
+
+    for (int8_t i = 13; i >= 0; --i) {
+        cursor_setStartRaster(i);
+        cursor_setEndRaster(i);
+        crt_waitFrames(4);
+    }
+
+    for (uint8_t j = 0; j < 3; ++j) {
+        for (int8_t i = 1; i < 16; ++i) {
+            cursor_setStartRaster(i);
+            cursor_setEndRaster(i);
+            crt_waitFrames(4);
+        }
+        for (int8_t i = 14; i >= 0; --i) {
+            cursor_setStartRaster(i);
+            cursor_setEndRaster(i);
+            crt_waitFrames(4);
+        }
+    }
+
+    for (int8_t i = 1; i < 64; ++i) {
+        cursor_setXY(40, 13 + i / 16);
+        cursor_setStartRaster(i % 16);
+        cursor_setEndRaster(i % 16);
+        crt_waitFrames(4);
+    }
+
+    cursor_setXY(40, 16);
+    for (uint8_t j = 0; j < 3; ++j) {
+        for (int8_t i = 14; i >= 0; --i) {
+            cursor_setStartRaster(i);
+            crt_waitFrames(4);
+        }
+        for (int8_t i = 14; i >= 0; --i) {
+            cursor_setEndRaster(i);
+            crt_waitFrames(4);
+        }
+        for (int8_t i = 1; i < 16; ++i) {
+            cursor_setEndRaster(i);
+            crt_waitFrames(4);
+        }
+        for (int8_t i = 1; i < 16; ++i) {
+            cursor_setStartRaster(i);
+            crt_waitFrames(4);
+        }
+    }
+
+    cursor_enable(false);
+}

src/magiccursor.h

@@ -0,0 +1,6 @@
+#ifndef CEDA_DEMO_MAGIC_CURSOR_H
+#define CEDA_DEMO_MAGIC_CURSOR_H
+
+void magicCursor_run(void);
+
+#endif // CEDA_DEMO_MAGIC_CURSOR_H