Update error and debug logging methods

src/duskdolphin/log/CMakeLists.txt

@@ -0,0 +1,11 @@
+# Copyright (c) 2026 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+
+target_sources(${DUSK_LIBRARY_TARGET_NAME}
+  PUBLIC
+    log.c
+)

src/duskdolphin/log/log.c

@@ -0,0 +1,65 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "log/log.h"
+#include "display/display.h"
+#include <debug.h>
+
+void logDebug(const char_t *message, ...) {
+  // Print to stdout
+  va_list args;
+  va_start(args, message);
+  vfprintf(stdout, message, args);
+  va_end(args);
+  fflush(stdout);
+}
+
+void logError(const char_t *message, ...) {
+  // Either create graphics, or hijack the displays' graphics.
+  void *xfb = NULL;
+  GXRModeObj *rmode = NULL;
+  void *framebuffer;
+
+  if(DISPLAY.frameBuffer[0]) {
+    console_init(
+      DISPLAY.frameBuffer[0],
+      20,
+      20,
+      DISPLAY.screenMode->fbWidth,
+      DISPLAY.screenMode->xfbHeight,
+      DISPLAY.screenMode->fbWidth * VI_DISPLAY_PIX_SZ
+    );
+  } else {
+    VIDEO_Init();
+    rmode = VIDEO_GetPreferredMode(NULL);
+    framebuffer = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
+    console_init(
+      framebuffer,
+      20,
+      20,
+      rmode->fbWidth,
+      rmode->xfbHeight,
+      rmode->fbWidth*VI_DISPLAY_PIX_SZ
+    );
+    VIDEO_Configure(rmode);
+    VIDEO_SetNextFramebuffer(framebuffer);
+    VIDEO_SetBlack(FALSE);
+    VIDEO_Flush();
+    VIDEO_WaitVSync();
+    if(rmode->viTVMode&VI_NON_INTERLACE) VIDEO_WaitVSync();
+  }
+
+  // Printf
+  va_list args;
+  va_start(args, message);
+  vprintf(message, args);
+  va_end(args);
+  
+  while(SYS_MainLoop()) {
+    VIDEO_WaitVSync();
+  }
+}