add directory study
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167
study/hardware/Floppy/floppy/FMT256.CPP
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167
study/hardware/Floppy/floppy/FMT256.CPP
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#include <stdio.h>
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#include <conio.h>
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#include <dos.h>
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#include <stdlib.h>
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#include <bios.h>
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#include <string.h>
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typedef struct _DPT_
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{
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unsigned char srt_hut;
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unsigned char dma_hlt;
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unsigned char motor_w;
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unsigned char sec_size;
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unsigned char eot;
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unsigned char gap_rw;
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unsigned char dtl;
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unsigned char gap_f;
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unsigned char fill_char;
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unsigned char hst;
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unsigned char mot_start;
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} DPT;
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DPT far *get_dpt(void);
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// <20><><EFBFBD><EFBFBD><EFBFBD> <20><>ଠ<EFBFBD><E0ACA0><EFBFBD>㥬<EFBFBD><E3A5AC> <20><><EFBFBD><E0AEA6>
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#define TRK 20
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// <20><><EFBFBD> ࠧ<><E0A0A7><EFBFBD><EFBFBD> ᥪ<><E1A5AA><EFBFBD><EFBFBD> - 256 <20><><EFBFBD><EFBFBD>
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#define SEC_SIZE 1
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union REGS inregs, outregs;
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char diskbuf[512];
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char diskbuf1[512];
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char buf[80];
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int main(void)
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{
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struct diskinfo_t di;
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unsigned status;
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unsigned char old_sec_size,
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old_fill_char, old_eot;
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int i, j;
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DPT far *dpt_ptr;
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printf("\n<EFBFBD>ணࠬ<EFBFBD><EFBFBD> 㭨<>⮦<EFBFBD><E2AEA6> ᮤ<>ন<EFBFBD><E0A6A8><EFBFBD>"
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"\n20-<2D> <20><><EFBFBD><E0AEA6> <20><>᪠ <20>:."
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"\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>த<EFBFBD><E0AEA4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>? (Y,N)\n");
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i = getch();
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if((i != 'y') && (i != 'Y'))
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return(-1);
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// <20><><EFBFBD><EFBFBD>砥<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> ⠡<><E2A0A1><EFBFBD><EFBFBD> <20><>ࠬ<EFBFBD><E0A0AC> <20><>᪥<EFBFBD><E1AAA5>
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dpt_ptr = get_dpt();
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// <20><><EFBFBD>࠭塞 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>祭<EFBFBD><E7A5AD> <20><> ⠡<><E2A0A1><EFBFBD><EFBFBD> <20><>ࠬ<EFBFBD><E0A0AC>
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old_sec_size = dpt_ptr->sec_size;
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old_fill_char = dpt_ptr->fill_char;
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old_eot = dpt_ptr->eot;
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// <20><>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> ⠡<><E2A0A1><EFBFBD><EFBFBD> <20><>ࠬ<EFBFBD><E0A0AC> <20><>᪥<EFBFBD><E1AAA5>
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// <20><><EFBFBD> ࠧ<><E0A0A7><EFBFBD><EFBFBD> ᥪ<><E1A5AA><EFBFBD><EFBFBD>, ᨬ<><E1A8AC><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
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// <20><>ଠ<EFBFBD><E0ACA0><EFBFBD><E0AEA2><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⢮ ᥪ<><E1A5AA> <20><> <20><><EFBFBD><E0AEA6>
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dpt_ptr->sec_size = SEC_SIZE;
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dpt_ptr->fill_char = 0x77;
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dpt_ptr->eot = 18;
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// <20><>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ⨯ <20><>᪠
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inregs.h.ah = 0x17;
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inregs.h.al = 3;
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inregs.h.dl = 0;
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int86(0x13, &inregs, &outregs);
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// <20><>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>।<EFBFBD> <20><><EFBFBD> <20><>ଠ<EFBFBD><E0ACA0><EFBFBD><E0AEA2><EFBFBD><EFBFBD>
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inregs.h.ah = 0x18;
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inregs.h.ch = TRK;
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inregs.h.cl = dpt_ptr->eot;
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inregs.h.dl = 0;
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int86(0x13, &inregs, &outregs);
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// <20><><EFBFBD><EFBFBD><EFBFBD>⠢<EFBFBD><E2A0A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ࠬ<EFBFBD><E0A0AC><EFBFBD><EFBFBD>
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// <20><><EFBFBD> <20>㭪樨 <20><>ଠ<EFBFBD><E0ACA0><EFBFBD><E0AEA2><EFBFBD><EFBFBD>
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di.drive = 0;
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di.head = 0;
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di.track = TRK;
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di.sector = 1;
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di.nsectors = 18;
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di.buffer = diskbuf;
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// <20><><EFBFBD><EFBFBD><EFBFBD>⠢<EFBFBD><E2A0A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><>ଠ<EFBFBD><E0ACA0> <20><><EFBFBD> 18 ᥪ<><E1A5AA>
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for(i=0, j=1; j<19; i += 4, j++)
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{
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diskbuf[i] = TRK;
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diskbuf[i+1] = 0;
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diskbuf[i+2] = j;
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diskbuf[i+3] = SEC_SIZE;
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}
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// <20><><EFBFBD>뢠<EFBFBD><EBA2A0> <20>㭪<EFBFBD><E3ADAA><EFBFBD> <20><>ଠ<EFBFBD><E0ACA0><EFBFBD><E0AEA2><EFBFBD><EFBFBD> <20><><EFBFBD><E0AEA6>
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status = _bios_disk(_DISK_FORMAT, &di) >> 8;
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printf("\n<EFBFBD><EFBFBD>ଠ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>訫<EFBFBD><E8A8AB><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD>: %d",
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status);
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// <20><><EFBFBD><EFBFBD><EFBFBD>뢠<EFBFBD><EBA2A0> <20><><EFBFBD><EFBFBD>ଠ<EFBFBD><E0ACA0><EFBFBD> <20> <20><><EFBFBD>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ᥪ<><E1A5AA><EFBFBD>
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printf("\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ப<EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> "
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"<EFBFBD> <20><><EFBFBD>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ᥪ<><E1A5AA><EFBFBD>,"
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"\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ப<EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ॢ<EFBFBD><E0A5A2><EFBFBD><EFBFBD><EFBFBD> 80 <20><><EFBFBD>⮢"
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"\n->");
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gets(buf);
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strcpy(diskbuf,buf);
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di.drive = 0;
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di.head = 0;
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di.track = 20;
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di.sector = 1;
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di.nsectors = 1;
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di.buffer = diskbuf;
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status = _bios_disk(_DISK_WRITE, &di) >> 8;
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if(status)
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{
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printf("\n<EFBFBD>訡<EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ᥪ<><E1A5AA><EFBFBD>: %d",
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status);
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return(-1);
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}
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di.drive = 0;
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di.head = 0;
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di.track = 20;
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di.sector = 1;
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di.nsectors = 1;
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di.buffer = diskbuf1;
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for(i = 0; i < 3; i++)
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{
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status = _bios_disk(_DISK_READ, &di) >> 8;
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if(!status) break;
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}
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printf("\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⠭<EFBFBD> <20><> <20><><EFBFBD>⠭<EFBFBD><E2A0AD><EFBFBD>⭮<EFBFBD><E2ADAE> ᥪ<><E1A5AA><EFBFBD><EFBFBD>:\n%s\n",
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diskbuf1);
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// <20><><EFBFBD><EFBFBD>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>祭<EFBFBD><E7A5AD> <20>
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// ⠡<><E2A0A1><EFBFBD><EFBFBD> <20><>ࠬ<EFBFBD><E0A0AC> <20><>᪥<EFBFBD><E1AAA5>
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dpt_ptr->sec_size = old_sec_size;
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dpt_ptr->fill_char = old_fill_char;
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dpt_ptr->eot = old_eot;
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return(0);
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}
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/**
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* get_dpt
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*
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* <20><><EFBFBD><EFBFBD><EFBFBD><E1ABA8> <20><><EFBFBD><EFBFBD><EFBFBD> ⠡<><E2A0A1><EFBFBD><EFBFBD> <20><>ࠬ<EFBFBD><E0A0AC> <20><>᪥<EFBFBD><E1AAA5>
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*
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* <20>㭪<EFBFBD><E3ADAA><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>頥<EFBFBD> 㪠<><E3AAA0>⥫<EFBFBD> <20><> ⠡<><E2A0A1><EFBFBD><EFBFBD>
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* <20><>ࠬ<EFBFBD><E0A0AC> <20><>᪥<EFBFBD><E1AAA5>
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*
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**/
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DPT far *get_dpt(void)
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{
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void far * far *ptr;
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ptr = (void far * far *)MK_FP(0x0, 0x78);
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return(DPT far*)(*ptr);
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}
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