707 lines
11 KiB
NASM
707 lines
11 KiB
NASM
;
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MACRO WAIT_HDD
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.loop: LD BC,IDE.Read.Status
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IN A,(C)
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BIT IDE.ControlBit.Busy,A
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JR NZ,.loop
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ENDM
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;______________________________________________________________________:
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;
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HD_BPB_PREP:
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LD D,A
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IN A,(SLOT3)
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EX AF,AF'
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LD A,SYS_PAGE
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OUT (SLOT3),A
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LD A,(SYS_PAGE.HD_IDF_ADR.sectors)
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LD E,A
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EX AF,AF'
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OUT (SLOT3),A
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LD A,D
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LD D,#00
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LD IX,#0000
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LD B,#01
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HD_PREPARE:
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PUSH AF
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PUSH HL
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CALL HD_CALC_SECS
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JR NC,.L1
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POP HL
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POP AF
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SCF
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RET
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.L1: LD A,B
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LD BC,IDE.Write.Counter ; “áâ ®¢¨âì ç¨á«® ᥪâ®à®¢ ¤«ï § ¯¨á¨
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OUT (C),A
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IF IDE_Optimization
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INC C
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OUT (C),L
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INC C
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OUT (C),E
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INC C
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OUT (C),D
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ELSE
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LD BC,IDE.Write.Sector
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OUT (C),L ; ‘…Š’Ž<E28099>
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LD BC,IDE.Write.CylinderLow
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OUT (C),E ; ¤®à®¦ª low
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LD BC,IDE.Write.CylinderHigh
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OUT (C),D ; ¤®à®¦ª high
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ENDIF
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LD BC,IDE.Read.Control
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IN A,(C)
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AND #F0 ; !!!!! ¯®á¬®âà¥âì
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OR H
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INC B ; IDE.Write.DriveCtrl
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OUT (C),A
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POP HL ; BUFER & PAGE
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POP AF
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AND A
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RET
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NEXT_ADD_SEC:
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PUSH AF
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LD A,B
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LD BC,IDE.Write.Counter ; “áâ ®¢¨âì ç¨á«® ᥪâ®à®¢ ¤«ï § ¯¨á¨
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OUT (C),A
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IF IDE_Optimization
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DEC B
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INC C
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IN A,(C) ; IDE.Read.Sector
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ADC A,E
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INC B
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OUT (C),A ; IDE.Write.Sector
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DEC B
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INC C
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IN A,(C) ; IDE.Read.CylinderLow
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ADC A,D
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INC B
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OUT (C),A ; IDE.Write.CylinderLow
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DEC B
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INC C
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IN A,(C) ; IDE.Read.CylinderHigh
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ADC A,0
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INC B
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OUT (C),A ; IDE.Write.CylinderHigh
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LD BC,IDE.Read.Control
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IN A,(C)
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ELSE
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LD BC,IDE.Read.Sector
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IN A,(C)
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ADC A,E
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INC B
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OUT (C),A ; IDE.Write.Sector
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LD BC,IDE.Read.CylinderLow
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IN A,(C)
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ADC A,D
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INC B
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OUT (C),A ; IDE.Write.CylinderLow
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LD BC,IDE.Read.CylinderHigh
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IN A,(C)
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ADC A,0
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INC B
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OUT (C),A ; IDE.Write.CylinderHigh
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LD BC,IDE.Read.Control
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IN A,(C)
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ENDIF
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LD D,A
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ADC A,0
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AND #0F
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LD E,A
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LD A,D
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AND #F0
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OR E
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INC B
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OUT (C),A ; ????? HEADS?! IDE.Write.DriveCtrl
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POP AF
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RET
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; <20>ਠ¨á¯®«¥¨¨ ¯à®¨§¢®¤¨âáï ¢áï ¯®¤£®â®¢ª ª
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; ®¯¥à æ¨ï¬ ç⥨ï/§ ¯¨á¨ ¢ëç¨á«¥¨¥
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; 樫¨¤à®¢/£®«®¢®ª/ᥪâ®à®¢ ¨ § ¥á¥¨¥ ¨å ¢ ॣ¨áâàë ¢¨ç¥áâ¥à
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; ¤ «¥¥ ¯à®£à ¬¬ ¬®¦¥â á ¬ ⮫쪮 ¯®¤ âì ª®¬ ¤ã ç¨â âì/¯¨á âì ¨
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; á ¬®áâ®ïâ¥«ì® ¯à®¨§¢®¤¨âì áç¨âë¢ ¨¥/§ ¯¨áì ¤ ëå ¢ ¢¨ç¥áâ¥à.
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; Š®¬ ¤ 㤮¡ ¤«ï à ¡®âë ¯à®£à ¬¬ ¢ ॠ«ì®¬ ¢à¥¬¥¨, ª®£¤ ¥®¡å®¤¨¬®
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; ªà®¬¥ ç⥨ï/§ ¯¨á¨ ¤ ëå ¯à®¨§¢®¤¨âì ª ª¨¥ «¨¡® ¨ë¥ ¤¥©á⢨ï.
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FN_HDD_PREPARE: ; <20>Ž„ƒŽ’Ž‚Š€ Š ‚<>…˜<E280A6>ˆŒ Ž<>…<EFBFBD>€–ˆŸŒ R/W
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AND A ; ç⮡ á¡à®á¨âì CF ¥á«¨ ® á⮨⠨ B=0
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INC B
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DEC B
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RET Z
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CALL HD_WAIT
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RET C
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CALL HD_PREPARE
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RET C
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;!TEST
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EX AF,AF'
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LD A,#BF ; check buffer address in SLOT3
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SUB H
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JR C,.SetCommand
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EX AF,AF'
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SAFE_PORTY
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EXX
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LD C,SLOT3
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IN B,(C)
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EXX
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OUT (SLOT3),A
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EX AF,AF'
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.SetCommand:
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LD BC,IDE.Write.Command
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LD A,#20
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; OUT (C),A
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AND A
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RET
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FN_HDD_READ_BPB:
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CALL HD_WAIT
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RET C
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CALL HD_BPB_PREP
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RET C
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JR HD_RD_L1
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; FOR LBA ONLY - NEXT_READ
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; HL - bufer, A - page
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; B - numer of sectors
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; DE - add_par (next+DE) (d.b. 1 for NEXT)
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FN_HDD_READ_NEXT:
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AND A
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INC B
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DEC B
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RET Z ; ret if 0 sectors
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CALL HD_WAIT
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RET C
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CALL NEXT_ADD_SEC
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JR HD_RD_L1
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; HL - BUFER, A - PAGE
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FN_HDD_READ:
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AND A
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INC B
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DEC B
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RET Z
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CALL HD_WAIT
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RET C
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CALL HD_PREPARE
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RET C
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HD_RD_L1:
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EXX
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LD C,SLOT3
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IN B,(C)
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EXX
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OUT (SLOT3),A
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EX AF,AF'
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SAFE_PORTY
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LD BC,IDE.Write.Command
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LD A,#20
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OUT (C),A
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HD_RD_L2:
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WAIT_HDD
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BIT IDE.ControlBit.DataRequest,A
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JR NZ,HD_READ_CONT
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ZERO_PORTY
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HD_RET:
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EXX
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OUT (C),B
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EXX
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LD BC,IDE.Read.Error
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IN A,(C)
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AND A
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SCF
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RET NZ
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EX AF,AF'
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AND A
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RET
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HD_READ_CONT:
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LD BC,IDE.Read.Data
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.loop_read1:
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DUP 16
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INI ; ¢á¥£® 16 à § INI - ®¯â¨¬ «ì®.
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EDUP
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JP NZ,.loop_read1
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.loop_read2:
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DUP 16
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INI ; ¢á¥£® 16 à § INI - ®¯â¨¬ «ì®.
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EDUP
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JP NZ,.loop_read2
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LD A,H
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OR L
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JR NZ,HD_RD_L2
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LD A,SYS_PAGE
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OUT (SLOT3),A
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EX AF,AF'
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LD HL,SYS_PAGE.RAMD_FAT
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LD L,A
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LD A,(HL)
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OUT (SLOT3),A
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EX AF,AF'
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LD HL,#C000 ; !!!!!
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JR HD_RD_L2
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; HL - BUFER, A - PAGE
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FN_HDD_WRITE:
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AND A
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INC B
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DEC B
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RET Z
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CALL HD_WAIT
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RET C
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CALL HD_PREPARE
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RET C
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EXX
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LD C,SLOT3
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IN B,(C)
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EXX
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OUT (SLOT3),A
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EX AF,AF'
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LD BC,IDE.Write.Command
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LD A,#30
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OUT (C),A
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HD_WR_L2:
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WAIT_HDD
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BIT IDE.ControlBit.DataRequest,A
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JP Z,HD_RET
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LD BC,IDE.Write.Data
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LD D,32
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HD_WR_LOOP:
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DUP 16
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OUTI ; ¢á¥£® 16 à § OUTI - ®¯â¨¬ «ì®.
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EDUP
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DEC D
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JP NZ,HD_WR_LOOP
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LD A,H
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OR L
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JR NZ,HD_WR_L2
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LD A,SYS_PAGE
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OUT (SLOT3),A
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EX AF,AF'
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LD HL,SYS_PAGE.RAMD_FAT
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LD L,A
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LD A,(HL)
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OUT (SLOT3),A
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EX AF,AF'
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LD HL,#C000 ;!!!!!
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JR HD_WR_L2
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FN_HDD_RECAL:
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LD A,#A0
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LD BC,IDE.Write.DriveCtrl
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OUT (C),A
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LD A,#90 ; DIAGNOSTICS
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CALL HD_CMD_EXE
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AND A
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BIT IDE.ControlBit.Error,A
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RET Z
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LD BC,IDE.Read.Error
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IN A,(C)
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CP 1 ; !!!!! £«ïãâì
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RET Z
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SCF
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RET
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;????? £«ïãâì
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; RET C
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; LD A,#1F ; RECALIBRATE
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; CALL HD_CMD_EXE
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; RET
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FN_HDD_TEST_IDE:
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LD E,#00
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LD BC,IDE.Write.DriveCtrl
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LD A,#A0 ; !!!!! £«ïãâì
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OUT (C),A
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CALL TEST_HDD_DRV
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JR NZ,NO_HDD1
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SET 0,E
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NO_HDD1:
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LD BC,IDE.Write.DriveCtrl
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LD A,#B0 ; !!!!! £«ïãâì
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OUT (C),A
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CALL TEST_HDD_DRV
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JR NZ,NO_HDD2
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SET 1,E
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NO_HDD2:
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LD A,E
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AND A
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SCF
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RET Z ; HDD absent !
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AND A
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RET
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;-----------------------------------[DIFFERENT]
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; <20>¥ ¤®«¦ ¯®àâ¨âì ॣ¨áâà E!!!
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TEST_HDD_DRV:
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; EXP_HDD.ASM variant
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LD HL,#01FE ; ?????
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LD BC,IDE.Write.Counter
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OUT (C),L
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IF IDE_Optimization
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INC C
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OUT (C),H ; IDE.Write.Sector
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DEC C
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INC B
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IN A,(C) ; ????? IDE.Write.Counter+#100
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CP L
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RET NZ
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INC C
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ELSE
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LD BC,IDE.Write.Sector
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OUT (C),H
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LD BC,IDE.Write.Counter+#100
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IN A,(C)
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CP L
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RET NZ
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LD BC,IDE.Write.Sector+#100
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ENDIF
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IN A,(C) ; ????? IDE.Write.Sector+#100
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CP H
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RET
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/*
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TEST_HDD_DRV:
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; EXTENDED.ASM variant
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LD HL,#00FF ;?????
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LD BC,IDE.Write.CylinderLow
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OUT (C),L
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IF IDE_Optimization
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INC C
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OUT (C),H ; IDE.Write.CylinderHigh
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INC B
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DEC C
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IN A,(C) ; ????? ’ãâ ॣ¨áâà BC = #0254 - çâ® § ¯®àâ â ª®© ¨ çâ® ®ââ㤠¯à®ç¨â ¥âáï?
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CP L
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RET NZ
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INC C
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ELSE
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LD BC,IDE.Write.CylinderHigh
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OUT (C),H
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LD BC,#0254 ;???!!!!
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IN A,(C)
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CP L
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RET NZ
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LD BC,#0255 ;???!!!!
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ENDIF
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IN A,(C) ; ????? ’ãâ ॣ¨áâà BC = #0255 - çâ® § ¯®àâ â ª®© ¨ çâ® ®ââ㤠¯à®ç¨â ¥âáï?
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CP H
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RET
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*/
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FN_HDD_INIT:
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LD BC,IDE.Write.DriveCtrl
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LD A,#A0
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OUT (C),A
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CALL TEST_HDD_DRV
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JR NZ,HD_ABSENT
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HD_C0_L3:
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WAIT_HDD
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LD BC,IDE.Write.Command
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LD A,#EC ; !HARDCODE
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OUT (C),A
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WAIT_HDD
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BIT IDE.ControlBit.DataRequest,A
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JR NZ,HD_C0_L2
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SCF
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RET
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HD_ABSENT:
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LD BC,IDE.Write.DriveCtrl
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LD A,#B0 ; !HARDCODE
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OUT (C),A
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CALL TEST_HDD_DRV
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JR Z,HD_C0_L3
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SCF
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RET
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HD_C0_L2:
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LD BC,IDE.Read.Data
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LD HL,SYS_PAGE.HD_IDF_ADR
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IN A,(SLOT3)
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LD D,A
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LD A,SYS_PAGE
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OUT (SLOT3),A
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INIR
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INIR
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LD A,(SYS_PAGE.HD_IDF_ADR.sectors) ; ç¨á«® ᥪâ®à®¢
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LD C,A
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LD HL,0
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LD B,H
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LD A,(SYS_PAGE.HD_IDF_ADR.heads) ; ç¨á«® £®«®¢®ª
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.loop:
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ADD HL,BC
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DEC A
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JR NZ,.loop
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LD (SYS_PAGE.HD_IDF_ADR.sec_cyl),HL
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WAIT_HDD
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|
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LD BC,IDE.Read.Control
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IN A,(C)
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AND #10
|
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LD B,A
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LD A,(SYS_PAGE.HD_IDF_ADR.heads) ; ç¨á«® £®«®¢®ª
|
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|
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DEC A
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AND #0F
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OR #A0
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OR B
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|
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LD H,A
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LD A,(SYS_PAGE.HD_IDF_ADR+99) ; ????? LBA?
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BIT 1,A
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JR Z,HD_C0_NO_LBA
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SET 6,H
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HD_C0_NO_LBA:
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LD BC,IDE.Write.DriveCtrl
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OUT (C),H
|
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|
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LD A,(SYS_PAGE.HD_IDF_ADR.sectors) ; ç¨á«® ᥪâ®à®¢
|
||
|
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LD BC,IDE.Write.Counter
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OUT (C),A
|
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LD A,D
|
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OUT (SLOT3),A
|
||
|
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LD A,#91 ; SET HDD PARAMETERS
|
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CALL HD_CMD_EXE
|
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RET
|
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|
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HD_CMD_EXE:
|
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CALL HD_WAIT
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RET C
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LD BC,IDE.Write.Command
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OUT (C),A
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HD_WAIT:
|
||
PUSH DE
|
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PUSH BC
|
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PUSH AF
|
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LD DE,0
|
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HD_WAIT1:
|
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LD BC,IDE.Read.Status
|
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IN A,(C)
|
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BIT IDE.ControlBit.Busy,A
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JR Z,HD_W_EXIT
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DEC DE
|
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LD A,D
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OR E
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JR NZ,HD_WAIT1
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POP AF
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POP BC
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POP DE
|
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SCF
|
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RET
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HD_W_EXIT:
|
||
POP AF
|
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POP BC
|
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POP DE
|
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AND A
|
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RET
|
||
|
||
/*
|
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;EXTENDED.ASM Version
|
||
|
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HDD_LBA: ;???!!!!
|
||
POP BC
|
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LD L,E
|
||
LD E,D
|
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LD D,XL
|
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XOR A
|
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LD H,A
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RET
|
||
|
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HD_CALC_SECS:
|
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LD A,XH
|
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AND A
|
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SCF
|
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RET NZ ; ®è¨¡ª , ᫨誮¬ ¡®«ì让 HDD
|
||
|
||
PUSH BC
|
||
LD BC,IDE.Write.DriveCtrl
|
||
DEC B
|
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IN A,(C)
|
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BIT 6,A
|
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JR NZ,HDD_LBA
|
||
; POP BC ;!!!!! ¯®á¬®âà¥âì
|
||
*/
|
||
|
||
;EXP_HDD.ASM Version
|
||
HDD_LBA:
|
||
POP BC
|
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LD L,E
|
||
LD E,D
|
||
LD D,XL
|
||
LD A,XH
|
||
AND #0F
|
||
LD H,A
|
||
RET
|
||
|
||
HD_CALC_SECS:
|
||
PUSH BC
|
||
LD BC,IDE.Read.Control
|
||
IN A,(C)
|
||
BIT 6,A
|
||
JR NZ,HDD_LBA
|
||
POP BC ; ᨬ ¥¬ § 票¥ ¤«ï ª®à४⮣® ret
|
||
|
||
LD A,XH
|
||
AND A
|
||
SCF
|
||
RET NZ ; ®è¨¡ª , ᫨誮¬ ¡®«ì让 HDD
|
||
|
||
; IX,DE - ¡á®«îâë© ®¬¥à ᥪâ®à
|
||
PUSH IX
|
||
POP HL
|
||
|
||
IN A,(SLOT3)
|
||
LD C,A
|
||
LD A,SYS_PAGE
|
||
OUT (SLOT3),A
|
||
LD A,C
|
||
LD (SYS_PAGE.COPY_SLOT3),A
|
||
|
||
; HL,DE - ®¬¥à ᥪâ®à
|
||
; BC - ç¨á«® ᥪâ®à®¢ 樫¨¤à¥
|
||
LD BC,(SYS_PAGE.HD_IDF_ADR.sec_cyl) ; ç¨á«® ᥪâ®à®¢ 樫¨¤à¥
|
||
LD A,16 ; HL,DE à §¤¥«¨âì BC
|
||
SCF
|
||
DIV_LOOP:
|
||
EX DE,HL
|
||
ADD HL,HL
|
||
EX DE,HL
|
||
ADC HL,HL
|
||
|
||
SBC HL,BC ; áà ¢¨âì HL ¨ BC
|
||
JR NC,NO_ADD ; ¯¥à¥®á ¥ ¡ë«® - +1!
|
||
ADD HL,BC
|
||
DEC A
|
||
JR NZ,DIV_LOOP
|
||
JR DIV_END
|
||
NO_ADD:
|
||
INC DE
|
||
DEC A
|
||
JR NZ,DIV_LOOP
|
||
DIV_END:
|
||
; DE - १ã«ìâ â, HL - ®áâ ⮪
|
||
; DE - 樫¨¤à
|
||
LD A,(SYS_PAGE.HD_IDF_ADR+12) ; !HARDCODE .sectors
|
||
; A - ç¨á«® ᥪâ®à®¢ ¤®à®¦ª¥
|
||
; HL - ®¬¥à ᥪâ®à ¢ 樫¨¤à¥
|
||
LD B,0
|
||
LD C,A
|
||
; LD BC,(MS_BPB+S_P_T) ; —ˆ‘‹Ž ‘…Š’Ž<E28099>Ž‚ <20>€ „Ž<E2809E>Ž†Š…
|
||
XOR A
|
||
HD_CALC_LOOP2:
|
||
SBC HL,BC
|
||
INC A
|
||
JR NC,HD_CALC_LOOP2
|
||
|
||
DEC A ; A - £®«®¢ª
|
||
ADD HL,BC ; L - ᥪâ®à
|
||
INC L
|
||
LD H,A ; HL - HEAD,SEC
|
||
|
||
LD A,(SYS_PAGE.COPY_SLOT3)
|
||
OUT (SLOT3),A
|
||
|
||
AND A
|
||
RET
|
||
|
||
|
||
FN_HDD_PART:
|
||
BIT 0,A
|
||
LD A,#21 ; !HARDCODE
|
||
JR Z,.SET_CH
|
||
LD A,#01 ; !HARDCODE
|
||
.SET_CH:
|
||
OUT (IDE.Chanel.Choose),A
|
||
RET
|
||
|
||
; ENDMODULE
|
||
;************************************************
|
||
|
||
; ?????
|
||
; DB 'HDD_DRV_END'
|
||
; ‚室:
|
||
; C - ª®¬ ¤
|
||
; 0 - INIT - ¢å®¤ëå ¯ à ¥â => A - ç¨á«® ¯®¤¤¥à¦¨¢ ¥¬ëå ¤¨áª®¢.
|
||
; 1 - RESET - ¢ë¡®à ¤¨áª A - ®¬¥à ¤¨áª ®â 0 =>
|
||
; 2 - (STATUS) !!!!! TEST?
|
||
; 3 - MEDIA CHECK - A - ®¬¥à ¤¨áª => A = 0 - old. #FF - new (¢á¥£¤ #FF) !!!!! PREPARE???
|
||
; 4 - READ BPB - A - ¤¨áª HL - ¤à¥á ¢ ⥪ã饩 áâà ¨æ¥.
|
||
; 5 - READ - A - ¤¨áª, IX:DE ᥪâ®à, HL - ¤à¥á, B - ç¨á«® ᥪâ®à®¢
|
||
; 6 - WRITE - '' -
|
||
; 7 - PART
|
||
; 8 - READ_NEXT
|
||
;
|
||
; ®è¨¡ª¨ - CF - A - ®è¨¡ª
|
||
;
|
||
; 0 - ¥â ®è¨¡ª¨
|
||
; 1 - ¥¢¥à ï ª®¬ ¤
|
||
; 2 - ¥¢¥àë© ®¬¥à ¤¨áª
|
||
; 3 - ¥¢¥àë© ä®à¬ â (¥ MS-DOS)
|
||
; 4 - ¥â £®â®¢®áâ¨
|
||
; 5 - ®è¨¡ª ¯®§¨æ¨®¨à®¢ ¨ï
|
||
; 6 - ᥪâ®à ¥ ©¤¥
|
||
; 7 - ®è¨¡ª CRC
|
||
; 8 - § é¨â § ¯¨á¨
|
||
; 9 - ®è¨¡ª ç⥨ï
|
||
; 10 - ®è¨¡ª § ¯¨á¨
|
||
; 11 - ƒ‹žŠ
|
||
; |