add opengl fronend, remove sdl frontend, refactor build system

5 files changed, 111 insertions, 0 deletions

diff --git a/frontends/calculator/CEdev/examples/gfx_hello_world/autotester.json b/frontends/calculator/CEdev/examples/gfx_hello_world/autotester.json
new file mode 100644
index 0000000..2e8ca49
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/gfx_hello_world/autotester.json
@@ -0,0 +1,40 @@
+{
+  "rom": "84pce_515.rom",
+  "transfer_files": [
+    "bin/DEMO.8xp"
+  ],
+  "target": {
+    "name": "DEMO",
+    "isASM": true
+  },
+  "sequence": [
+    "action|launch",
+    "delay|300",
+    "hash|1",
+    "hash|2",
+    "key|enter",
+    "delay|300",
+    "hashWait|3"
+  ],
+  "hashes": {
+    "1": {
+      "description": "The background will be black (check a part before the text)",
+      "start": "vram_start",
+      "size": "0x4000",
+      "expected_CRCs": [ "94640B85" ]
+    },
+    "2": {
+      "description": "The background will be black (check a part after the text)",
+      "start": "0xD4EC00",
+      "size": "0x4000",
+      "expected_CRCs": [ "94640B85" ]
+    },
+    "3": {
+      "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/gfx_hello_world/makefile b/frontends/calculator/CEdev/examples/gfx_hello_world/makefile
new file mode 100644
index 0000000..1f1b36b
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/gfx_hello_world/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/gfx_hello_world/readme.md b/frontends/calculator/CEdev/examples/gfx_hello_world/readme.md
new file mode 100644
index 0000000..24fed5e
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/gfx_hello_world/readme.md
@@ -0,0 +1,10 @@
+### GraphX Hello World Demo
+
+This example of the graphics library demostrates filling the screen black and then printing `Hello World!` centered on the screen.
+
+![Screenshot](screenshot.png)
+
+---
+
+This demo is a part of the C SDK Toolchain for use on the CE.
+
diff --git a/frontends/calculator/CEdev/examples/gfx_hello_world/screenshot.png b/frontends/calculator/CEdev/examples/gfx_hello_world/screenshot.png
new file mode 100644
index 0000000..1a3f070
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/gfx_hello_world/screenshot.png
diff --git a/frontends/calculator/CEdev/examples/gfx_hello_world/src/main.c b/frontends/calculator/CEdev/examples/gfx_hello_world/src/main.c
new file mode 100644
index 0000000..852120e
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/gfx_hello_world/src/main.c
@@ -0,0 +1,46 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <graphx.h>
+
+#define FONT_HEIGHT 8
+
+/* Function prototypes */
+void print_string_centered(const char *str);
+
+void main(void) {
+    const char *msg = "Hello World!";
+
+    /* Seed the random numbers */
+    srand(rtc_Time());
+
+    /* Initialize the 8bpp graphics */
+    gfx_Begin();
+
+    /* Fill the screen black */
+    gfx_FillScreen(gfx_black);
+
+    /* Set the random text color */
+    gfx_SetTextFGColor(randInt(1, 255));
+
+    /* Print the message on the screen */
+    print_string_centered(msg);
+
+    /* Wait for a key to be pressed */
+    while (!os_GetCSC());
+
+    /* Close the graphics */
+    gfx_End();
+}
+
+/* Prints a screen centered string */
+void print_string_centered(const char *str) {
+    gfx_PrintStringXY(str, (LCD_WIDTH - gfx_GetStringWidth(str)) / 2, (LCD_HEIGHT - FONT_HEIGHT) / 2);
+}