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https://github.com/SEPPDROID/Digital-Research-Source-Code.git
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129 lines
2.5 KiB
C
129 lines
2.5 KiB
C
/* CP/M INTERFACE HEADER FILE
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*/
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/* Modified to include additional CP/M function defi-
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nitions and DPB structure definition 07/20/82 (DMH)
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*/
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/* Modified to include BIOS header 10/13/82 (DMH)
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*/
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/* Modified to include size of DPB 10/15/82 (DMH)
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*/
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#define FCB struct fcb
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#define FCBLEN sizeof(FCB)
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struct fcb {
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TEXT et; /* assumed zero */
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TEXT fn[8]; /* blank padded */
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TEXT ft[3]; /* ditto */
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TINY ex; /* start with zero */
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TEXT pad[2]; /* assumed zero by CP/M */
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TINY rcount; /* [0, 128] */
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TINY dmap[16]; /* eight records per 1024 byte cluster */
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TINY nr; /* next record to read/write */
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TINY bleft;
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TEXT *bnext;
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LONG lseek;
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COUNT bufseg;
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TEXT buf[128];
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};
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/* CP/M Disk Parameter Block
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*/
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#define DPB struct dpb
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#define DPBLEN sizeof(DPB)
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struct dpb {
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WORD spt; /* Sectors per track */
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BYTE bsh; /* Block shift factor */
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BYTE blm; /* Block mask */
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BYTE exm; /* Extent mask */
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WORD dsm; /* Drive capacity */
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WORD drm; /* Directory capacity */
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BYTE al0; /* Directory allocation 0 */
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BYTE al1; /* Directory allocation 1 */
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WORD cks; /* Check vector size */
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WORD off; /* Track offset */
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};
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/* CP/M Disk Parameter Header
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*/
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#define DPH struct dph
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#define DPHLEN sizeof(DPH)
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struct dph {
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BYTE *xltp; /* Translation vector address */
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WORD dphscr[3]; /* CP/M scratch pad area */
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BYTE *dirbufp; /* CP/M directory buffer */
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DPB *dpbp; /* DPB address */
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BYTE *csvp; /* Check vector address */
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BYTE *alvp; /* Allocation vector address */
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};
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/* the Whitesmiths control block
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*/
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#define WCB struct wcb
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struct wcb {
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TINY flags, dev;
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FCB *pf;
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};
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/* flag values:
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*/
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#define WOPEN 1
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#define WDIRT 2
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#define WSTD 4
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#define WCR 010
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#define WXDIRT 020
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#define WXOPEN 040
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/* device values:
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*/
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#define LST -4
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#define PUN -3
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#define RDR -2
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#define CON -1
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/* intermodule communication
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*/
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#define CTRLZ 032
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#define EOF 1
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#define FAIL -1
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#define MCREATE 0
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#define MOPEN 1
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#define MREMOVE 2
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#define MWRITE 4
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#define SYSBUF 0x80
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/* CP/M innards
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*/
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#define CRDCON 1
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#define CWRCON 2
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#define CRDRDR 3
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#define CWRPUN 4
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#define CWRLST 5
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#define CGIOST 7
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#define CSIOST 8
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#define CPRBUF 9
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#define CRDBUF 10
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#define CICRDY 11
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#define CLFTHD 12
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#define CINIT 13
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#define CSDRNO 14
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#define COPEN 15
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#define CCLOSE 16
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#define CSRCH 17
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#define CSRCHN 18
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#define CDEL 19
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#define CREAD 20
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#define CWRITE 21
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#define CMAKE 22
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#define CRENAME 23
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#define CILOGIN 24
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#define CGDRNO 25
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#define CSETAD 26
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#define CIALLOC 27
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#define CIPARMS 31
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