23 lines
485 B
C
23 lines
485 B
C
#ifndef CPMSYS_H
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#define CPMSYS_H
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/* File descriptor emulation */
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struct FCBE
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{
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uint16_t length; /* number of records */
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FCB fcb; /* drive 0 means the console, f[0] == 0 means unallocated */
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uint8_t user;
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uint8_t offset; /* into current sector */
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};
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#define NUM_FILE_DESCRIPTORS 8
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extern struct FCBE __fd[NUM_FILE_DESCRIPTORS];
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extern uint8_t __transfer_buffer[128];
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extern void __init_file_descriptors(void);
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#define SECTOR_ALIGNED(s) (((s) & 0x7f) == 0)
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#endif
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