add opengl fronend, remove sdl frontend, refactor build system

1 files changed, 47 insertions, 0 deletions

diff --git a/frontends/calculator/CEdev/examples/debugging/src/main.c b/frontends/calculator/CEdev/examples/debugging/src/main.c
new file mode 100644
index 0000000..67b5bac
--- /dev/null
+++ b/frontends/calculator/CEdev/examples/debugging/src/main.c
@@ -0,0 +1,47 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <tice.h>
+
+#include <assert.h>
+#include <debug.h>
+
+/*
+ * Even though debug.h has prototypes for Debugger, SetWriteWatchpoint, SetWatchpoint, RemoveWatchpoint, RemoveAllWatchpoints, RemoveAllBreakpoints...
+ * you have to use the dbg_ prefix as shown here:
+ */
+
+void main(void) {
+    /* Set the intial value of some variables */
+    int dbg_test_var_1 = 10;
+    uint8_t dbg_test_var_2 = 3;
+
+    /* Print a simple debugging string */
+    dbg_sprintf(dbgout, "This is the start of a CEmu debugging test\n");
+
+    /* You can enter the debugger manually */
+    dbg_Debugger();
+
+    /* Set a watchpoint that will break anytime we write/change this variable */
+    dbg_SetWriteWatchpoint(&dbg_test_var_1, sizeof dbg_test_var_1);
+
+    /* Set a non breaking watchpoint just so we can see what is in this variable at any given time */
+    dbg_SetWatchpoint(&dbg_test_var_2, sizeof dbg_test_var_2);
+
+    /* Now, let's write to the variable to see what happens (Go to the 'Watchpoints' tab in CEmu to view the status) */
+    dbg_test_var_1 = 5;
+
+    /* Remove the watchpoint that we had set */
+    dbg_RemoveWatchpoint(&dbg_test_var_1);
+    dbg_RemoveWatchpoint(&dbg_test_var_2);
+
+    /* We can also use those */
+    dbg_RemoveAllWatchpoints();
+    dbg_RemoveAllBreakpoints();
+
+    /* Set this value to zero */
+    dbg_test_var_2 = 0;
+
+    /* Fail this assertion */
+    assert(dbg_test_var_2);
+}