mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-20 03:35:24 +00:00
403 lines
7.9 KiB
C
403 lines
7.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static unsigned char font[256][9]={
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{0,0,0,0,0,0,0,0,0}, // 0
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0}, // 8
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0}, // 16
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0}, // 24
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{5,0,0,0,0,0,0,0,0}, // 32 ' '
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{4,
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0x00,
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0xe0, // ******
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0xe0, // ******
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0x40, // **
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0x40, // **
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0x00, //
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0x40, // **
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0x40, // **
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},
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{0,0,0,0,0,0,0,0,0}, // 34
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0}, // 40
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0}, // 48
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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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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0}, // 56
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0}, //64
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{5,
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0x00,
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0x60, // ****
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0x90, // ** **
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0x90, // ** **
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0xf0, // ********
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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},
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{5,
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0x00,
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0xe0, // ******
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0x90, // ** **
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0x90, // ** **
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0xe0, // ******
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0x90, // ** **
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0x90, // ** **
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0xe0, // ******
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},
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{5,
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0x00,
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0x70, // ******
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0x80, // **
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0x80, // **
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0x80, // **
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0x80, // **
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0x80, // **
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0x70, // ******
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},
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{5,
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0x00,
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0xc0, // ****
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0xa0, // ** **
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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0xa0, // ** **
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0xc0, // ****
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},
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{5,
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0x00,
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0xf0, // ********
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0x80, // **
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0x80, // **
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0xe0, // ******
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0x80, // **
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0x80, // **
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0xf0, // ********
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},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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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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**
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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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{5,
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0x00,
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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0xf0, // ********
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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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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{0,0,0,0,0,0,0,0,0},
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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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{5,
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0x00,
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0xe0, // ******
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0x90, // ** **
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0x90, // ** **
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0xe0, // ******
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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},
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{5,
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0x00,
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0x70, // ******
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0x80, // **
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0x80, // **
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0x60, // ****
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0x10, // **
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0x10, // **
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0xe0, // ******
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},
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{4,
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0x00,
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0xe0, // ******
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0x40, // **
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0x40, // **
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0x40, // **
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0x40, // **
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0x40, // **
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0x40, // **
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},
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{5,
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0x00,
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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0x90, // ****
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},
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{5,
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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0x90, // ** **
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0x50, // ** **
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0x50, // ** **
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0x20, // **
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},
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{6,
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0x00,
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0x88, // ** **
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0x88, // ** **
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0x88, // ** **
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0x88, // ** **
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0xa8, // ** ** **
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0xd8, // **** ****
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0x88, // ** **
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},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0,0},
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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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};
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static int color_map[4][8]={
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{0x2,0x2,0x6,0xe,0xf,0xe,0x6,0x2}, // Blue
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{0x4,0x4,0xc,0xd,0xf,0xd,0xc,0x4}, // Green
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{0x1,0x1,0x3,0xb,0xf,0xb,0x3,0x1}, // Red
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{0x5,0x5,0x7,0xf,0xf,0xf,0x7,0x5}, // Grey
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};
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static int runlen[4]={0,0,0,0},last_color[4]={0,0,0,0};
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static int new_size=0;
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static unsigned char row[4][256];
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static int rle_compress(int color, int j) {
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int need_comma=0;
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if (color==last_color[j]) {
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runlen[j]++;
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}
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else {
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// printf("Run of color %d length %d\n",
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// last_color[j],runlen[j]);
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if (runlen[j]==0) ; // first color, skip
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if (runlen[j]==1) {
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printf("$%02X",last_color[j]);
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new_size++;
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}
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if (runlen[j]==2) {
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printf("$%02X,$%02X",last_color[j],last_color[j]);
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new_size+=2;
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}
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if ((runlen[j]>2) && (runlen[j]<16)) {
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printf("$%02X,$%02X",0xa0 | (runlen[j]),
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last_color[j]);
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new_size+=2;
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}
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/* We could in theory compress up to 272 */
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/* but we leave it at 256 to make the decode easier */
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if ((runlen[j]>15) && (runlen[j]<256)) {
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new_size+=3;
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printf("$%02X,$%02X,$%02X",0xa0,
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runlen[j],last_color[j]);
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}
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if (runlen[j]>256) {
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printf("Too big!\n");
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exit(1);
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}
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runlen[j]=1;
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need_comma=1;
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}
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return need_comma;
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}
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int main(int argc, char **argv) {
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//char string[]="ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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char string[]=" \001DEATER \002WAS \003HERE!!! ";
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int length=0,width=0,x,y,i,j;
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int color,color1,color2;
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int which_color=0;
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int need_comma;
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for(i=0;i<strlen(string);i++) {
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if (string[i]<5) { which_color=string[i]-1; continue;}
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width=font[(int)string[i]][0];
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for(x=0;x<width;x++) {
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for(j=0;j<4;j++) {
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color=!!(font[(int)string[i]][1+j*2]&(0x80>>x));
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color1=color?color_map[which_color][0+j*2]:0;
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color=!!(font[(int)string[i]][2+j*2]&(0x80>>x));
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color2=color?(color_map[which_color][1+j*2])<<4:0;
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color=color1|color2;
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row[j][length]=color;
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if (color1==0xa) {
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printf("Error! Can't use grey2!\n");
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exit(0);
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}
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}
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length++;
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}
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}
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printf("; Original size = %d bytes\n",length*4);
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#if 0
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printf("scroll_length: .byte %d\n",length);
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for(y=0;y<4;y++) {
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printf("scroll_row%d:\n",y+1);
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printf("\t.byte ");
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for(x=0;x<length;x++) {
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printf("$%02X",row[y][x]);
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if (x!=length-1) printf(",");
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}
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printf("\n");
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}
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#endif
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printf("deater_scroll:\n");
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printf("; scroll_length:\n.byte %d\n",length);
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for(y=0;y<4;y++) {
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//printf("scroll_row%d:\n",y+1);
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printf("\t.byte ");
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for(x=0;x<256;x++) {
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need_comma=rle_compress(row[y][x],y);
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if ((need_comma) && (x!=length-1)) printf(",");
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last_color[y]=row[y][x];
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}
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rle_compress(-1,y);
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printf("\n");
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}
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printf("\t.byte $A1\n");
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new_size++;
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printf("; Compressed size = %d bytes\n",new_size);
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return 0;
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}
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