coco
99 lines
3.4 KiB
C
99 lines
3.4 KiB
C
/*
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* Z M O D E M . H Manifest constants for ZMODEM
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* application to application file transfer protocol
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* 05-23-87 Chuck Forsberg Omen Technology Inc
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*/
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#define ZPAD '*' // ZPAD starts every header
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#define ZDLE 24 // The general purpose escape code
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#define ZBIN 'A' // Starts a binary CRC-16 frame
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#define ZHEX 'B' // Starts a hex CRC-16 frame
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#define ZBIN32 'C' // Starts a binary CRC-32 frame
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#define ZMAXSPLEN 1024 // Max subpacket length
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// These constants define all the various frame types
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#define ZRQINIT 0 // Request for receiver init frame
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#define ZRINIT 1 // A receiver init frame
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#define ZSINIT 2 // A sender init frame
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#define ZACK 3 // General purpose Acknowledge frame
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#define ZFILE 4 // File name and data
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#define ZSKIP 5 // Skip the incoming file
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#define ZNAK 6 // General purpose Not Acknowledge
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#define ZABORT 7 // Abort session
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#define ZFIN 8 // Session is complete
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#define ZRPOS 9 // Request to start sending from a
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// specific address
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#define ZDATA 10 // Start of a data frame
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#define ZEOF 11 // End of file
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#define ZFERR 12 // Fatal Read or Write error D
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#define ZCRC 13 // Request for CRC value of a file
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#define ZCHALLENGE 14 // Challenge frame
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#define ZCOMPL 15 // Request is complete
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#define ZCAN 16 // Remote end canceled
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#define ZFREECNT 17 // Request for free bytes
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// available on the target filesystem
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#define ZCOMMAND 18 // Command from sending program
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#define ZSTDERR 19 // Output to stderr data follows
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// Escape sequences in binary data
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#define ZCRCE 'h' // CRC next, frame ends, header
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// follows
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#define ZCRCG 'i' // CRC next, frame continues nonstop
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#define ZCRCQ 'j' // CRC next, frame conts., expect ZACK
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#define ZCRCW 'k' // CRC next, ZACK expected,
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// end of frame
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#define ZRUB0 'l' // Translate to rubout, 0x7f
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#define ZRUB1 'm' // Translate to rubout, 0xff
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// ReadDataFrame() return values
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#define GOTFLAG 0x100
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#define GOTCRCE (ZCRCE | GOTFLAG) // ZDLE-ZCRCE received
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#define GOTCRCG (ZCRCG | GOTFLAG) // ZDLE-ZCRCG received
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#define GOTCRCQ (ZCRCQ | GOTFLAG) // ZDLE-ZCRCQ received
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#define GOTCRCW (ZCRCW | GOTFLAG) // ZDLE-ZCRCW received
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#define GOTCAN (CAN | GOTFLAG) // CAN*5 seen
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// Byte positions within header array
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#define ZF0 3 // Position 0 in the flags array
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#define ZF1 2
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#define ZF2 1
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#define ZF3 0
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#define ZP0 0 // Low order 8 bits of position
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#define ZP1 1
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#define ZP2 2
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#define ZP3 3
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// Bit Masks for ZRINIT flags byte ZF0
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#define CANFDX 0x01 // Rx can send and receive true
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// full duplex
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#define CANOVIO 0x02 // Rx can receive data during disk I/O
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#define CANBRK 0x04 // Rx can send a break signal
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#define CANRLE 0x08 // Receiver can decode RLE
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#define CANLZW 0x10 // Receiver can uncompress
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#define CANFC32 0x20 // Receiver can use 32 bit CRC
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#define ESCCTL 0x40 // Receiver expects ctl chars
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// to be escaped
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#define ESC8 0x80 // Receiver expects 8th bit
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// to be escaped
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// Miscellaneous constants
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const int OK = 0;
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#define ZERROR -1
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#define TIMEOUT -2
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#define GARBAGE_COUNT -3
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#define BS 8
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#define LF 10
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#define CR 13
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#define DLE 16
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#define XON 17
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#define XOFF 19
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#define CAN 24
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#define ESC 27
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