65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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* =====================================================================================
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*
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* ________ .__ __ ________ ____ ________
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* \_____ \ __ __|__| ____ | | __\______ \ _______ _/_ |/ _____/
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* / / \ \| | \ |/ ___\| |/ / | | \_/ __ \ \/ /| / __ \
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* / \_/. \ | / \ \___| < | ` \ ___/\ / | \ |__\ \
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* \_____\ \_/____/|__|\___ >__|_ \/_______ /\___ >\_/ |___|\_____ /
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* \__> \/ \/ \/ \/ \/
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*
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* www.optixx.org
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*
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*
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* Version: 1.0
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* Created: 07/21/2009 03:32:16 PM
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* Author: david@optixx.org
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*
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* =====================================================================================
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*/
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#ifndef __DIR_H__
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#define __DIR_H__
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#include <stdlib.h>
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#include <stdint.h>
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#define DIR_ENTRY_LOC 0x010000
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#define DIR_ENTRY_SIZE 64
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#define DIR_ENTRY_SIZE_SHIFT 6
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#define DIR_ENTRY_HEADER_SIZE 44
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#define DIR_ENTRY_HEADER_OFF 20
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typedef struct {
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uint16_t id; // 2
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uint8_t file_name[13]; // 8.3 = 12 + 1 = 13
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uint32_t file_size; // 4
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uint8_t file_attr; // 1
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uint8_t snes_header[43]; // 44
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} dir_ent_t; // 64
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void dir_entry_start();
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void dir_entry_add(uint16_t id, uint8_t* file_name,uint32_t file_size,uint8_t file_attr);
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void dir_entry_header(uint16_t position, uint8_t * header);
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/*
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lo:
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0x7fc0
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0x7fc0 + 0x200
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hi:
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0xffc0
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0xffc0 + 0x200
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emulated reset vector MSB must be set
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sei
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clc
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xce
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*/
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#endif
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