Merged dii_refactoring, modularize code for 2.0

src/intro_main.c

@@ -0,0 +1,39 @@
+#include <stubs.h>
+#include <string.h>
+
+#include <calypsi/intrinsics6502.h>
+
+#include "monitor_subroutines.h"
+#include "utility.h"
+#include "mem_map.h"
+#include "shared_page.h"
+
+// External initialization requirements
+#pragma require __preserve_zp
+#pragma require __data_initialization_needed
+
+static shared_page_data *shared_page = (shared_page_data*)SHARED_PAGE;
+
+void main(void) {
+	uint8_t wait_count = 0x40;
+	
+	// Initialize the register for LFSR
+	lfsr_init(0xF00D);
+	
+	// Clear the memory used to pass parameters to the next module
+	memset((void*)(shared_page->module_data), 0, MODULE_DATA_SIZE);
+
+	// TODO: Detect expansion hardware, and choose what to load according to that
+
+	// Delay a bit
+	while(wait_count--) WAIT(0xFF);
+
+	// Clear the display memory
+	memset((void*)DISPLAY_PAGE_2, 0, DISPLAY_PAGE_SIZE);
+	memset((void*)DISPLAY_PAGE_1, 0, DISPLAY_PAGE_SIZE);
+
+	shared_page->master_command = MASTER_COMMAND_NONE;
+	shared_page->next_module_idx = 3; // DLOG module is next!
+
+	return; 
+}