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https://github.com/SEPPDROID/Digital-Research-Source-Code.git
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63 lines
2.4 KiB
C
63 lines
2.4 KiB
C
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/********************************************************
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* *
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* BIOS definitions for P-CP/M *
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* *
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* Copyright (c) 1982 Digital Research, Inc. *
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* *
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* This include file simply defines the BIOS calls *
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* *
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* Memory management added 821018 by SS at Zilog *
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* *
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********************************************************/
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EXTERN UBYTE bios1(); /* used for character I/O functions */
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EXTERN bios2(); /* parm1 is word, no return value */
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EXTERN bios3(); /* used for set dma only */
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/* parm1 is a pointer, no return */
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EXTERN UBYTE *bios4(); /* seldsk only, parm1 and parm2 are */
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/* words, returns a pointer to dph */
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EXTERN UWORD bios5(); /* for sectran and set exception */
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#define bwboot() bios1(1) /* warm boot */
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#define bconstat() bios1(2) /* console status */
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#define bconin() bios1(3) /* console input */
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#define bconout(parm) bios2(4,parm) /* console output parm */
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#define blstout(parm) bios2(5,parm) /* list device output */
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#define bpun(parm) bios2(6,parm) /* punch char output */
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#define brdr() bios1(7) /* reader input */
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#define bhome() bios1(8) /* recalibrate drive */
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#define bseldsk(parm1,parm2) bios4(9,parm1,parm2)
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/* select disk and return info */
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#define bsettrk(parm) bios2(10,parm) /* set track on disk */
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#define bsetsec(parm) bios2(11,parm) /* set sector for disk */
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#define bsetdma(parm) bios3(12,parm) /* set dma address */
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#define bread() bios1(13) /* read sector from disk */
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#define bwrite(parm) bios2(14,parm) /* write sector to disk */
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#define blistst() bios1(15) /* list device status */
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#define bsectrn(parm1,parm2) bios5(16,parm1,(XADDR)parm2)
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/* sector translate */
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#define bgetseg() bios1(18) /* get memory segment tbl */
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#define bgetiob() bios1(19) /* get I/O byte */
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#define bsetiob(parm) bios2(20,parm) /* set I/O byte */
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#define bflush() bios1(21) /* flush buffers */
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#define bsetvec(parm1,parm2) bios5(22,parm1,(XADDR)parm2)
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/* set exception vector */
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/************************/
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/* MEMORY MANAGEMENT */
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/*----------------------*/
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EXTERN XADDR map_adr(); /*(laddr, space)->paddr */
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EXTERN VOID mem_cpy(); /*(src, dst, len) */
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/*----------------------*/
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/* copy in, out (s,d,l) */
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/* */
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#define cpy_in(s,d,l) mem_cpy((XADDR)s, map_adr((XADDR)d, 0), (long)l)
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#define cpy_out(s,d,l) mem_cpy(map_adr((XADDR)s, 0), (XADDR)d, (long)l)
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/* */
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/************************/
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