5 files changed, 135 insertions, 0 deletions
diff --git a/frontends/calculator/CEdev/examples/keypad_arrows/autotester.json b/frontends/calculator/CEdev/examples/keypad_arrows/autotester.json
new file mode 100644
index 0000000..c81becf
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/keypad_arrows/autotester.json
@@ -0,0 +1,61 @@
+{
+  "rom": "84pce_515.rom",
+  "transfer_files": [
+    "bin/DEMO.8xp"
+  ],
+  "target": {
+    "name": "DEMO",
+    "isASM": true
+  },
+  "sequence": [
+    "action|launch",
+    "delay|500",
+    "key|down",
+    "hash|1",
+    "delay|200",
+    "key|right",
+    "hash|2",
+    "delay|200",
+    "key|up",
+    "hash|3",
+    "delay|200",
+    "key|left",
+    "hash|4",
+    "delay|200",
+    "key|2nd",
+    "hashWait|5"
+  ],
+  "hashes": {
+    "1": {
+      "description": "The screen is black",
+      "start": "vram_start",
+      "size": "vram_8_size",
+      "expected_CRCs": [ "AF74BFCB" ]
+    },
+    "2": {
+      "description": "The screen is red",
+      "start": "vram_start",
+      "size": "vram_8_size",
+      "expected_CRCs": [ "D2E7DAC8" ]
+    },
+    "3": {
+      "description": "The screen is white",
+      "start": "vram_start",
+      "size": "vram_8_size",
+      "expected_CRCs": [ "3132DE74" ]
+    },
+    "4": {
+      "description": "The screen is red (other)",
+      "start": "vram_start",
+      "size": "vram_8_size",
+      "expected_CRCs": [ "74B02578" ]
+    },
+    "5": {
+      "description": "Back to the home screen (exit check)",
+      "start": "vram_start",
+      "size": "vram_16_size",
+      "expected_CRCs": [ "FFAF89BA", "101734A5", "9DA19F44" ]
+    }
+  }
+}
+
diff --git a/frontends/calculator/CEdev/examples/keypad_arrows/makefile b/frontends/calculator/CEdev/examples/keypad_arrows/makefile
new file mode 100644
index 0000000..1f1b36b
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/keypad_arrows/makefile
@@ -0,0 +1,15 @@
+# ----------------------------
+# Set NAME to the program name
+# Set ICON to the png icon file name
+# Set DESCRIPTION to display within a compatible shell
+# Set COMPRESSED to "YES" to create a compressed program
+# ----------------------------
+
+NAME        ?= DEMO
+COMPRESSED  ?= NO
+ICON        ?= iconc.png
+DESCRIPTION ?= "C SDK Demo"
+
+# ----------------------------
+
+include $(CEDEV)/include/.makefile
diff --git a/frontends/calculator/CEdev/examples/keypad_arrows/readme.md b/frontends/calculator/CEdev/examples/keypad_arrows/readme.md
new file mode 100644
index 0000000..698dd4e
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/keypad_arrows/readme.md
@@ -0,0 +1,10 @@
+### Keypad Arrow Key Demo
+
+This demo changes the color of the screen depending on which arrow keys are pressed.
+
+![Screenshot](screenshot.gif)
+
+---
+
+This demo is a part of the C SDK Toolchain for use on the CE.
+
diff --git a/frontends/calculator/CEdev/examples/keypad_arrows/screenshot.gif b/frontends/calculator/CEdev/examples/keypad_arrows/screenshot.gif
new file mode 100644
index 0000000..7d1886c
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/keypad_arrows/screenshot.gif
diff --git a/frontends/calculator/CEdev/examples/keypad_arrows/src/main.c b/frontends/calculator/CEdev/examples/keypad_arrows/src/main.c
new file mode 100644
index 0000000..c4f7adf
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/keypad_arrows/src/main.c
@@ -0,0 +1,49 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <keypadc.h>
+
+/* Function Prototypes */
+void fill_screen(uint8_t color);
+
+void main(void) {
+    /* Key variable */
+    kb_key_t key;
+
+    /* Loop until 2nd is pressed */
+    do {
+        /* Update kb_Data */
+        kb_Scan();
+
+        /* Load group 7 registers */
+        key = kb_Data[7];
+
+        switch (key) {
+            case kb_Down:           /* Change screen color to black */
+                fill_screen(0x00);
+                break;
+            case kb_Right:          /* Change screen color to red */
+                fill_screen(0xE0);
+                break;
+            case kb_Up:             /* Change screen color to white */
+                fill_screen(0xFF);
+                break;
+            case kb_Left:           /* Change screen color to a different red */
+                fill_screen(0xC0);
+                break;
+            default:
+                break;
+        }
+    } while (kb_Data[1] != kb_2nd);
+}
+
+/* Simple way to fill the screen with a given color */
+void fill_screen(uint8_t color) {
+    memset(lcd_Ram, color, LCD_SIZE);
+}