Starting a rewrite of how the IO works.

Currently 100% broken, also going to change how devices are selected
for each system so no more if/else everywhere and system should be more accurate.

source/includes/memory.h

@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * NewOswan
+ * memory.h:
+ * Based on the original Oswan-unix
+ * Copyright (c) 2014-2021 986-Studio. All rights reserved.
+ *
+ ******************************************************************************/
+
+//////////////////////////////////////////////////////////////////////////////
+//
+//
+//
+//
+//
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef __MEMORY_H__
+#define __MEMORY_H__
+
+#include <stdint.h>
+
+extern uint8_t *ws_staticRam;
+extern uint8_t *internalRam;
+extern uint8_t *externalEeprom;
+
+void ws_memory_init(uint8_t *rom, uint32_t romSize);
+void ws_memory_reset(void);
+uint8_t *memory_getRom(void);
+uint32_t memory_getRomSize(void);
+uint16_t memory_getRomCrc(void);
+void ws_memory_done(void);
+void memory_load(int fp);
+void memory_save(int fp);
+
+char *create_file(char *filename, uint32_t size);
+char *load_file(char *filename);
+
+void dump_memory();
+//#define USE_PAGED_MEMORY_ACCESS
+#ifdef USE_PAGED_MEMORY_ACCESS
+/***
+ * Set a memory page with a ganularity of 4-16
+ * @param bank: the bank (0-F) to set
+ * @param pointer: a pointer to the memory to set
+ */
+void set_memory_bank(uint8_t bank, uint8_t *pointer);
+
+/***
+ * Set a memory page with a ganularity of 8-12
+ * @param bank: the bank (0-FF) to set
+ * @param pointer: a pointer to the memory to set
+ */
+void set_memory_page(uint8_t page, uint8_t *pointer);
+
+void set_irom_overlay();
+
+uint8_t *getRom(uint32_t *size);
+uint8_t *getSram(uint32_t *size);
+
+void mem_dump_info();
+
+typedef enum {
+    IRAM_FULL_ACCESS,
+    IRAM_LIMITED_ACCESS,
+} iram_access_t;
+
+void set_iram_access(iram_access_t mode);
+
+#endif
+
+#define mem_readop mem_readmem20
+#define mem_readop_arg mem_readmem20
+void mem_writemem20(uint32_t addr, uint8_t value);
+uint8_t mem_readmem20(uint32_t addr);
+
+#define BW_IEEPROM_SIZE (128)
+#define COLOR_IEEPROM_SIZE (2048)
+
+#endif
+