mirror of
https://github.com/Tolik-Trek/Estex-DSS.git
synced 2026-06-15 09:21:47 +03:00
556 lines
13 KiB
NASM
556 lines
13 KiB
NASM
;[BEGIN]
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;//MODULE: DRV-MAIN AUTHOR: Denis Parinov
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;//CREATE: 2003-03-12
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;---------------------------------------------------------------
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;Rev Date Name Description
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;---------------------------------------------------------------
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;R00 2003-03-19 DNS Initial version
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;---------------------------------------------------------------
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; ORG #0000
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;PAGEDRV EQU 0
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;===============;
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;!FIXIT ¢ ¯à®æ¥¤ãॠª®â®à ï ¡ã¤¥â ®â¢¥ç âì § ¯¥à¥å®¤ ¨§ í⮩ áâà ¨æë ®¡à â® ¢ MAIN ¤«ï ¢ë§®¢ äãªæ¨©
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; „‘‘ ¨, ¢®§¬®¦®, ¯®¢â®à®¬ã § 室㠢 íâã áâà ¨æã ç¥à¥§ RST #18 ¨§ ¤à㣨å áâà ¨æ (ª®â®àëå ¯®ª ¥â)
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; ᤥ« âì ¥çâ® ¯®¤®¡®¥ á ¯à®£à ¬¬ë¬ á⥪®¬ áâà ¨æ. <20>â ¯à®æ¥¤ãà ¨å á®åà ï¥â, ¯à¨¬¥à® â ª ï ¦¥
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; ¤®«¦ ¢®ááâ ¢«¨¢ âì.
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; PUSH HL
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;.SP+1: LD HL,DRV_PAGE.RSTx18_RET_PAGES
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; LD (HL),A
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; DEC L ; <20>¥ HL, L - ç⮡ § ª®«ì楢 âì ®¡« áâì
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; LD (.SP),HL
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; POP HL
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;===============;
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;!TODO
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[NOT USED]> ;
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A0000: JP RST_00 ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;
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RST_00:
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LD A,DSS_Error.drv.INVALID_COMMAND
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SCF
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RET
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;
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;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[BIOS API]> ;
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BLOCK 8-$,#C7 ; #C7 - "RST 0" opcode
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A0008: PUSH AF ;
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LD A,SYS_PORT.PAGE8;
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OUT (SYS_PORT.ON),A ;
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POP AF ;
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RET ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;!FIXIT
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[DSS API]> ;
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BLOCK #10-$,#C7 ; #C7 - "RST 0" opcode
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A0010: ;JP DRV_PAGE.RST_10 ;
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DI : HALT ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[DRIVE API]> ;
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BLOCK #18-$,#C7 ; #C7 - "RST 0" opcode
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;A0018 JP INTDISK ;
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A0018: ;PUSH AF ;
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;PUSH BC ;
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SCF
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RET
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DRV_PAGE.MAIN_PAGE_NUMBER+2: ;
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LD BC,0*256 + SLOT0 ; !FIXIT áî¤ ¥ ¤®«¦ë ¢áâ ¢«ïâìáï ®¬¥à ¢ë¤¥«¥ëå áâà ¨æ?
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;JP PORTAL.outDRV ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;!TODO
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[NOT USED]> ;
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BLOCK #20-$,#C7 ; #C7 - "RST 0" opcode
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A0020: JP DRV_PAGE.RST_20 ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;
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DRV_PAGE.RST_20:
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LD A,DSS_Error.drv.INVALID_COMMAND
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SCF
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RET
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;
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;!TODO
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[NOT USED]> ;
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BLOCK #28-$,#C7 ; #C7 - "RST 0" opcode
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A0028: JP DRV_PAGE.RST_28 ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;
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DRV_PAGE.RST_28:
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LD A,DSS_Error.drv.INVALID_COMMAND
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SCF
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RET
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;
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;!TODO
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[NOT USED]> ;
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BLOCK #30-$,#C7 ;
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A0030: JP RST_30 ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;
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RST_30:
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LD A,DSS_Error.drv.INVALID_COMMAND
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SCF
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RET
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;
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;!FIXIT
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[MAIN INT]> ;
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BLOCK #38-$,#C7 ;
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A0038: ;
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; JP RST_38 ;
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; RST_38: ;
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; INT_: PUSH AF ;
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; EX AF,AF' ;
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; PUSH AF ;
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; PUSH BC ;
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; PUSH DE ;
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; PUSH HL ;
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; EXX ;
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; PUSH BC ;
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; PUSH DE ;
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; PUSH HL ;
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; PUSH IX ;
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; PUSH IY ;
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; CALL KEYSCAN ;
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; LD C,#80 ;
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; RST #30 ;
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; POP IY ;
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; POP IX ;
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; POP HL ;
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; POP DE ;
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; POP BC ;
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; EXX ;
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; POP HL ;
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; POP DE ;
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; POP BC ;
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; POP AF ;
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; EX AF,AF' ;
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; POP AF ;
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EI ;
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RETI ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;
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DRV_PAGE.KEYSCAN: RET ;!FIXIT
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;
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;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[ NMI ]> ;
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DRV_PAGE.NMI: RETN ;
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BLOCK #66-$,#C7;
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A0066: JP DRV_PAGE.NMI ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;-------------------------------;
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;ADRST10 EQU #00 ; ;!!!!!
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;-------------------------------;
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;!FIXIT
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; DRV_PAGE.RST_10:
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; PUSH HL
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; LD L,C
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; LD H,ADRST10/256
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; LD C,(HL)
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; INC H
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; LD H,(HL)
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; LD L,C
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; EX (SP),HL
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; RET
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;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; <[DRIVE PAGE SWITCH]> ;
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_mInfoBLOCK PORTAL.RSTx18_SWITCH_ADDRESS-$-(PORTAL.out_DRV.switch - PORTAL.out_DRV),#C7
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PORTAL.out_DRV: PUSH BC ;
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.RETBANK+2: LD BC,SLOT0 + 0*256;
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.switch: OUT (C),B ;
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ASSERT $!=84,'-> Portal error!';
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;Entry point from DSS main page
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LD (.RETBANK),A ;
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POP BC ;
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POP AF ;
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ADCALL+1: CALL DISPATCH ; ¯ âç¨âáï INTDISK
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JP PORTAL.out_DRV ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;!FIXIT çñâ ¥ â® âãâ
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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; LD B,#00; ;
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; OUT (C),A ;
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;--- ;
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; POP BC ;
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; RET ;
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;PORTAL.outDRV: ;
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; RET ;
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;' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ';
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;
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;
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/*
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; !!! ‚›‡›‚€’œ ’Ž‹œŠŽ —…<E28094>…‡ RST #10 ¢ DSS-MAIN !!!
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RESCAN_DRV:
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AND A
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LD A,R
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PUSH AF
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DI
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;;
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IN A,(SLOT3)
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LD (.restore_page),A
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LD A,(PORTAL.out_DRV.RETBANK)
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OUT (SLOT3),A
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LD A,(BOOTDRV+#C000) ; 㧠«¨ «®£.®¬¥à boot ¤¨áª
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LD (.BOOT),A ; á®åà ¨«¨
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.restore_page+1:
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LD A,0
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OUT (SLOT3),A
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LD A,(.BOOT)
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CP 2
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JR C,.Change ; bootdisk - ¤¨áª¥â ?
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LD C,A
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ADD A
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ADD C
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LD HL,DEVICE
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LD C,A
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XOR A
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LD B,A
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ADC HL,BC
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LD DE,.DEVICE
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LD BC,3 ;!HARDCODE ¤«¨ § ¯¨á¨ ¢ DEVICE
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LDIR ; á®åà ¨«¨ § ¯¨áì boot-dsk
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;!TODO âãâ ¯®ª à ¡®â ¥â ¢ ਠ⠧ ¬¥ë ¡ãª¢ë ¤«ï boot-RAM-DRV ¨ HDD
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LD DE,.DEVICE+1
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LD HL,HDDRIVE
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AND A
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SBC HL,DE
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JR Z,.HDD_SYS
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;
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LD HL,RMDRIVE
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AND A
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SBC HL,DE
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JR NZ,.Change
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;
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.RMD_SYS:
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LD A,#60
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LD (.BOOT_TYPE),A
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LD A,(.DEVICE)
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LD HL,RAMDTBL
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SLA A
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ADD A,L
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LD L,A
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LD A,0
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ADC A,H
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LD H,A
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;’ãâ ¢ HL ¤à¥á ¯¥à¢®£® ¡ ©â § ¯¨á¨ ® boot RAM-DRV
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LD DE,.RAMDTBL
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LD BC,RAMDTBL.TBL_Entry
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LDIR ; á®åà ¨«¨ § ¯¨áì ® RAM-DRV
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JP .Change
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;
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.HDD_SYS:
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LD A,#80
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LD (.BOOT_TYPE),A
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;
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LD A,(.DEVICE)
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ADD A,A
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ADD A,A
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ADD A,A
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ADD A,A
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LD HL,LOGDRV
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ADD A,L
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LD L,A
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LD A,0
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ADC A,H
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LD H,A
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; ’ãâ ¢ HL ¤à¥á ¯¥à¢®£® ¡ ©â § ¯¨á¨ ® boot à §¤¥«¥
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LD DE,.LOGDRV
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LD BC,LOGDRV.TBL_Entry
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LDIR ; á®åà ¨«¨ § ¯¨áì ® HDD à §¤¥«¥
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;JP .Change
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.Change: CALL INITDVC_RET_DRIVE
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LD A,(.BOOT)
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CP 2
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JR C,.exit ; bootdisk - ¤¨áª¥â ?
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; 3. <20>஢¥à¨âì, ᬥ¨« áì «¨ ¡ãª¢ boot-drv ¨ ¢ë©â¨, ¥á«¨ ¥â.
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; 4. …᫨ boot HDD ¨ ¥£® ¡ãª¢ã § ï« HDD, â® ¬¥ï¥¬ ¬¥áâ ¬¨ ¨å
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; § ¯¨á¨ ¢ â ¡«¨æ å DEVICE ¨ LOGDRV.
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; …᫨ boot HDD ¨ ¥£® ¡ãª¢ã § ï« RAM Drive, â® ¨¤¨ å¥à, ¥ ¬®¦¥â ¡ëâì)).
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; …᫨ boot FDD â® ¨å¥à ¥ á«ãç¨âáï.
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; …᫨ boot CD-ROM, â® ¯®¤ã¬ ¥¬, ª®£¤ ¤® í⮣® ¤®¦¨¢ñ¬.
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; …᫨ boot RAM Drive ¨ ¥£® ¡ãª¢ã § ï« HDD, ⮠㦮 ᬥ¨âì
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; ¨å ¬¥áâ ¬¨ ¢ â ¡«¨æ¥ DEVICE.
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; !!!!! çâ® ¡ã¤¥â, ¥á«¨ ¡ãª¢ ¡ãâ-¤¨áª …, ¯®á«¥ à¥áª
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; § £à㧮çë© à §¤¥« ®ª § «áï ¥¤¨áâ¢¥ë¬ ¢ á¨á⥬¥?
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; € ¥á«¨ áà §ã ¡ã¤ãâ ¨§¬¥¥¨ï á RAM ¤¨áª ¬¨ ¨ HDD à §¤¥« ¬¨?
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LD A,(.BOOT_TYPE)
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CP #60 ;!HARDCODE ram drive
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JR NZ,.restore_HDD
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.restore_RMD:
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LD A,(.RAMDTBL+1)
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LD HL,RAMDTBL+1
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LD B,RAMDTBL.Size / RAMDTBL.TBL_Entry
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.loop_RMD:
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CP (HL)
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JR Z,.found_RMD ; ZF - 諨 ¢ ®¢®© RAMDTBL bootdisk ¯® ¥£® 䨧¨ç¥áª®¬ã ®¬¥àã
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INC HL
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INC HL
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DJNZ .loop_RMD
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JP .BIG_ERROR ; bootdisk died...
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.found_RMD:
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LD A,RAMDTBL.Size / RAMDTBL.TBL_Entry
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SUB B
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LD (.DEVICE),A ; new bootdisk log.number in RAMDTBL
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DEC HL
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LD A,(HL) ; «®£¨ç¥áª¨© ®¬¥à ¤«ï ¯®¨áª ¢ DEVICE
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LD (.DEVICE_NEW),A ; á®åà 塞
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; ¯®¨áª ®¬¥à § ¯¨á¨ ¯® ¥ñ «®£¨ç¥áª®¬ã ¤¨áªã + ¯à®æ¥¤ãॠ®¡à ¡®â稪
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LD HL,DEVICE-DEVICE.TBL_Entry
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LD DE,DEVICE.TBL_Entry
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LD BC,DEVICE.Size / DEVICE.TBL_Entry
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.found_RMD.nxt:
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AND A
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ADC HL,DE
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PUSH HL
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EXX
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POP HL
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LD DE,.DEVICE
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LD B,DEVICE.TBL_Entry
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CALL COMPARE_BYTES
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EXX
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JR Z, found entry
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DJNZ NZ,.found_RMD.nxt
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.BIG_ERROR:
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;;;;
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LD BC,DEVICE.Size / DEVICE.TBL_Entry
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AND A
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; ¤«¨ § ¯¨á¨. áà ¢¨¢ ¥¬ ¯®«®¥ ᮢ¯ ¤¥¨¥ .DEVICE á
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; ®¤®© ¨§ § ¯¨á¥© DEVICE
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LD B,DEVICE.TBL_Entry
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.rmd_loop_search:
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LD A,(DE)
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CP (HL)
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JR NZ,.nxt_loop_
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INC DE
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INC HL
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DJNZ .rmd_loop_search
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POP BC
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;JP P,.BIG_ERROR ; ¥á«¨ ¯à®è¥àá⨫¨ § ¯à¥¤¥«ë â ¡«¨æë
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;
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JP .exit
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;
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.restore_HDD:
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;JP .exit
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;;
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.exit: LD HL,.Start_buffer
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LD (HL),#FF
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LD DE,.Start_buffer+1
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LD BC,.Size_buffer-1
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LDIR ; ¯®¬ëâì § ᮡ®î))
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POP AF
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LD A,(DRV_PAGE.LDRIVE)
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RET PO
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EI
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RET
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.Start_buffer:
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.BOOT: DB #FF ; «®£¨ç¥áª¨© ®¬¥à
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.BOOT_TYPE: DB #FF ; 00, #60, #80, #C0
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.DEVICE: BLOCK 3,#FF
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.DEVICE_NEW: BLOCK 3,#FF
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.LOGDRV: BLOCK 16,#FF
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.RAMDTBL: BLOCK 2,#FF ; «®£ RMD, 䨧 RMD
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.Size_buffer EQU $-.Start_buffer
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;‚•Ž„: HL,DE - ¤à¥á áà ¢¨¢ ¥¬ëå ¡«®ª®¢, B - ¤«¨ ¡«®ª
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;‚›•Ž„: ZF - ¡«®ª¨ ®¤¨ ª®¢ë, ¢ HL ¨ DE ¤à¥á á«¥¤ãî饣® ¡ ©â ¯®á«¥ ᮢ¯ ¢è¥£® ¡«®ª
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; NZ - ¡«®ª¨ ¥®¤¨ ª®¢ë.
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COMPARE_BYTES:
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LD A,(DE)
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CP (HL)
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RET NZ
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INC HL
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INC DE
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DJNZ COMPARE_BYTES
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XOR A
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RET
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*/
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DRV_PAGE.LDRIVE: DB #00
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DISPATCH:
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LD HL,INTDISK
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LD (ADCALL),HL
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INITDVC_RET_DRIVE:
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CALL INITDVC
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LD A,(DRV_PAGE.LDRIVE)
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AND A
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RET
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INCLUDE 'dss/media_drivers/shared-drv.asm'
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INCLUDE 'dss/media_drivers/ide-drv.asm'
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INCLUDE 'dss/media_drivers/fdd-drv.asm'
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INCLUDE 'dss/media_drivers/ram_disk-drv.asm'
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/////////////////////////// [ DRIVE TABLES ] \\\\\\\\\\\\\\\\\\\\\\\\\\\;
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;
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;------------------------[shared-drv.asm table]------------------------;
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DEVICE EQU $
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.TBL_Entry EQU 3
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.Size EQU DSS_MAX_DRIVES_AMOUNT * .TBL_Entry
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.End EQU DEVICE.Size + 1 ; ¤«ï á⮯-¡ ©â #FF
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;----------------------------------------------------------------------;
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;
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;
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;-------------------------[ IDE-DRV.ASM table]-------------------------;
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;+00 BYTE MASTER/SLAVE PHISICAL DRIVE NUMBER #80/#81/...
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;+01 LONG SECTOR OFFSET
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;+05 LONG SIZE IN SECTORS
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;+09 FREE
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;+15
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LOGDRV EQU DEVICE + DEVICE.End
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.TBL_Entry EQU 16
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.Size EQU DSS_MAX_DRIVES_AMOUNT * .TBL_Entry
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; ‚•Ž„: L - «®£¨ç¥áª¨© ®¬¥à ¢ â ¡«¨æ¥
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; ‚›•Ž„: IY - ç «® § ¯¨á¨
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; <20>Ž<EFBFBD>’ˆ’: HL, IY. HL<-->DE
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; MACRO LOGDRV_ENTRY_FIND tbl_addr
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; LD H,0
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; ADD HL,HL
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; ADD HL,HL
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; ADD HL,HL
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; ADD HL,HL
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; ;LD B,H
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; ;LD C,L
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; EX DE,HL
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; LD IY,tbl_addr
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; ADD IY,DE
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; ENDM
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;----------------------------------------------------------------------;
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;
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;
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;-----------------------[ram_disk-drv.asm table]-----------------------;
|
||
; ’€<E28099>‹ˆ–€ ‘ŽŽ’‚…’‘’‚ˆŸ Œ…†„“ ”ˆ‡ˆ—…‘ŠˆŒ <20>ŽŒ…<C592>ŽŒ <20>€Œ„ˆ‘Š€ ˆ …ƒŽ RAM-DISK ID
|
||
; Log Number: DB RAM_Drive_Log_Number, RAM_Drive_ID ;(BIOS 0-15), (Block ID for BIOS)
|
||
RAMDTBL EQU LOGDRV + LOGDRV.Size
|
||
.TBL_Entry EQU 2
|
||
.Size EQU .TBL_Entry * MAX_RAMDRIVES
|
||
; RAMDTBL: DUP MAX_RAMDRIVES * RAMDTBL.TBL_Entry
|
||
; DB #FF
|
||
; EDUP
|
||
; .Size EQU $-RAMDTBL
|
||
;----------------------------------------------------------------------;
|
||
;
|
||
////////////////////////////////////////////////////////////////////////;
|
||
|
||
|
||
///////////////////////// [ DRIVE TABLES COPY] \\\\\\\\\\\\\\\\\\\\\\\\\;
|
||
MODULE OLD_TABLES
|
||
;
|
||
;------------------------[shared-drv.asm table]------------------------;
|
||
DEVICE EQU @RAMDTBL + @RAMDTBL.Size
|
||
.TBL_Entry EQU @DEVICE.TBL_Entry
|
||
.Size: EQU @DEVICE.Size
|
||
.End EQU @DEVICE.End
|
||
;----------------------------------------------------------------------;
|
||
;
|
||
|
||
;
|
||
;-------------------------[ IDE-DRV.ASM table]-------------------------;
|
||
;+00 BYTE MASTER/SLAVE PHISICAL DRIVE NUMBER #80/#81/...
|
||
;+01 LONG SECTOR OFFSET
|
||
;+05 LONG SIZE IN SECTORS
|
||
;+09 FREE
|
||
;+15
|
||
LOGDRV EQU DEVICE + DEVICE.End
|
||
.TBL_Entry EQU @LOGDRV.TBL_Entry
|
||
.Size EQU @LOGDRV.Size
|
||
;----------------------------------------------------------------------;
|
||
;
|
||
|
||
;
|
||
;-----------------------[ram_disk-drv.asm table]-----------------------;
|
||
; ’€<E28099>‹ˆ–€ ‘ŽŽ’‚…’‘’‚ˆŸ Œ…†„“ ”ˆ‡ˆ—…‘ŠˆŒ <20>ŽŒ…<C592>ŽŒ <20>€Œ„ˆ‘Š€ ˆ …ƒŽ RAM-DISK ID
|
||
; Log Number: DB RAM_Drive_Log_Number, RAM_Drive_ID ;(BIOS 0-15), (Block ID for BIOS)
|
||
RAMDTBL EQU LOGDRV + LOGDRV.Size
|
||
.TBL_Entry EQU @RAMDTBL.TBL_Entry
|
||
.Size EQU @RAMDTBL.Size
|
||
; RAMDTBL: DUP MAX_RAMDRIVES * RAMDTBL.TBL_Entry
|
||
; DB #FF
|
||
; EDUP
|
||
; .Size EQU $-RAMDTBL
|
||
;----------------------------------------------------------------------;
|
||
;
|
||
ENDMODULE
|
||
////////////////////////////////////////////////////////////////////////;
|
||
DISPLAY "DEVICE start: ", /H, DEVICE
|
||
DISPLAY "Old DEVICE start: ", /H, OLD_TABLES.DEVICE
|
||
DISPLAY "LOGDRV start: ", /H, LOGDRV
|
||
DISPLAY "Old LOGDRV start: ", /H, OLD_TABLES.LOGDRV
|
||
DISPLAY "RAMDTBL start: ", /H, RAMDTBL
|
||
DISPLAY "Old RAMDTBL start: ", /H, OLD_TABLES.RAMDTBL
|
||
|
||
;
|
||
;DRV_TEMP_BUFFER:
|
||
|
||
;---------[256 bytes stack for return pages of RST #18 callers]--------;
|
||
; #3F00 - #3FFF
|
||
DRV_PAGE.RSTx18_RET_PAGES EQU #3FFF
|
||
;----------------------------------------------------------------------;
|
||
; ASSERT ((#4000-DRV_TEMP_BUFFER-256) > (DEVICE.Size + LOGDRV.Size + RAMDTBL.Size)), "No space for DRV_TEMP_BUFFER in DRV-MAIN page"
|
||
; ENDMODULE
|
||
; OUTEND
|
||
;[END] |