add opengl fronend, remove sdl frontend, refactor build system

1 files changed, 59 insertions, 0 deletions

diff --git a/frontends/calculator/CEdev/examples/fileio_tokens/src/main.c b/frontends/calculator/CEdev/examples/fileio_tokens/src/main.c
new file mode 100644
index 0000000..d3f6b57
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/fileio_tokens/src/main.c
@@ -0,0 +1,59 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <fileioc.h>
+
+/* Declare the program name */
+const char *prgmName = "ABC";
+
+/* Function prototypes */
+void printText(int8_t xpos, int8_t ypos, const char *text);
+
+/* Main Function */
+void main(void) {
+    ti_var_t prgm;
+    char *text;
+    uint8_t *data_ptr;
+    uint8_t token_length;
+    uint16_t size;
+    int8_t y = 0;
+
+    /* Clear the homescreen */
+    os_ClrHome();
+
+    /* Close any files that may be open already */
+    ti_CloseAll();
+
+    /* Open the program for reading */
+    prgm = ti_OpenVar(prgmName, "r", TI_PRGM_TYPE);
+
+    /* Make sure we opened okay */
+    if (!prgm) goto err;
+
+    data_ptr = ti_GetDataPtr(prgm);
+    size = ti_GetSize(prgm);
+
+    while (size && y < 8) {
+        printText(0, y++, ti_GetTokenString(&data_ptr, &token_length, NULL));
+        size -= token_length;
+    }
+
+err:
+    /* Pause */
+    while (!os_GetCSC());
+
+    /* Close files */
+    ti_CloseAll();
+}
+
+/* Draw text on the homescreen at the given X/Y location */
+void printText(int8_t xpos, int8_t ypos, const char *text) {
+    os_SetCursorPos(ypos, xpos);
+    os_PutStrFull(text);
+}