mirror of
https://github.com/Tolik-Trek/Estex-DSS.git
synced 2026-06-15 01:11:48 +03:00
837 lines
18 KiB
NASM
837 lines
18 KiB
NASM
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;[BEGIN]
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;//MODULE: EXECUTE
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;//CREATE: 19-05-1998 AUTHOR: Denis Parinov
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;//UPDATE: 24-10-1999 DNS Restore module
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;-------------------------------------------------------------------------------------------------------------------------
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;Rev Date Name Description
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;-------------------------------------------------------------------------------------------------------------------------
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;R12 20-07-2023 BAO <20>ਠ§ ¢¥à襨¨ ¯à¨«®¦¥¨ï " ¢ ਩®" ¢ ¢®§¢à é ¥¬®¥ ¯à¨«®¦¥¨¥ ¯¥à¥¤ ñâáï ª®¤ ®è¨¡ª¨ ¨ ä« £ CF=1
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;R11 17-04-2023 BAO OPTIMIZED BUFFERS, FREED UP 768 BYTES FOR CODE
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;R09 -- 14-04-2003 DNS NOW EXEC DON'T FOLLOW TO PROGRAM'S DIR
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;R08 05-12-2002 DNS FIX BUG WITH INCREMENT TASK ID AND OPEN *.EXE ERROR
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;R07 05-12-2002 DNS FIX FOR EXECUTING IN CURRENT DIR WITHOUT PATH
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;R06 02-12-2002 DNS FIX BUG WITH NULL-TERMINATED STRING
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;R05 02-12-2002 DNS ADD APP_PATH TO THE PROGRAM PREFIX
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;R04 26-11-2002 DNS TRY TO FIX EXEC WITH PATH
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;R03 19-11-2002 DNS CHECK SUBFN. FOR FN. EXEC
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;R02 24-05-1999 DNS FIX CREATE PSP AND
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; MOVE EXEC STACK
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; 14-05-1999 DNS DECREASE HEADER SIZE FOR EXE-FILE
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;-------------------------------------------------------------------------------------------------------------------------
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RELATIVE_DIR EQU 0
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ABSOLUTE_DIR EQU 1
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MACRO _mINCTASK
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LD HL,TASK ;R08
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INC (HL) ;R08
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ENDM
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;
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MACRO _mDECTASK
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LD HL,TASK ;R08
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DEC (HL) ;R08
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ENDM
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;-------------------------------------------------------------------------------------------------------------------------
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;;;
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;TMP_CURDIR_AUTO EQU #FB00
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; ¥ 㦮 ¥á«¨ SAVE_PATH_MACRO = 1
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; TMP_CURDIR EQU #FD00
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;///////////////////////////////////////////////////////////////////////
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; ”ãªæ¨ï #40. ‚믮«¨âì ä ©«.
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;
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; ¢å®¤: HL - 㪠§ â¥«ì ¨¬ï ä ©«
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; B=0 - § £à㧨âì ¨ ¢ë¯®«¨âì ¯à®£à ¬¬ã á ª®à®âª¨¬ ¨¬¥¥¬ (¡¥§ ¯®«®£® ¯ã⨠¤® ¯à®£à ¬¬ë)
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; B=1 - § £à㧨âì ¨ ¢ë¯®«¨âì ¯à®£à ¬¬ã á ¯®«ë¬ ¯ãâñ¬ ¤® ¯à®£à ¬¬ë
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; ¢ë室: A - ª®¤ § ¢¥à襨ï, ¥á«¨ CF=0
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; ª®¤ ®è¨¡ª¨, ¥á«¨ CF=1
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;---------------------------------------------------------------------
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; ‡ £à㧨âì ¨ ¢ë¯®«¨âì ¯à®£à ¬¬ã.
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; äãª. #40, B=0.
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;
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; 1) Žâªàë¢ ¥â exe-ä ©« ç⥨¥;
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; 2) ‘ç¨âë¢ ¥â ¢ à ¡®çãî ®¡« áâì ¯à¥ä¨ªá exe-ä ©« ;
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; 3) ‚뤥«ï¥â ¡«®ª ¯ ¬ïâ¨, âà¥¡ã¥¬ë© ¤«ï § £à㧪¨ ¢á¥£® ä ©« ¨«¨ ¯¥à¢¨ç®£®
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; § £àã§ç¨ª , ¥á«¨ ¥£® à §¬¥à ¥ à ¢¥ ã«î;
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; 4) ‘®åà ï¥â á⥪;
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; 5) <20>®¤ª«îç ¥â áâà ¨æë ¨§ ¢ë¤¥«¥®£® ¡«®ª ;
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; 6) ‘âந⠯à¥ä¨ªá § ¯ã᪠¯à®£à ¬¬ë ¨ ãáâ ¢«¨¢ ¥â ¥£® ॣ¨áâà IX;
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; 7) ‘ç¨âë¢ ¥â ä ©« ¯® ¤à¥áã 㪠§ ®¬ã ¢ ᬥ饨¨ 16 (€¤à¥á à ᯮ«®¦¥¨ï
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; ª®¤ ¢ ¯ ¬ïâ¨);
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; 8) ‡ ªàë¢ ¥â exe-ä ©«, ¥á«¨ íâ® ¥ ¯¥à¢¨çë© § £àã§ç¨ª;
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; 9) “áâ ¢«¨¢ ¥â á⥪ à ¢ë¬ § ç¥¨î ¨§ ᬥ饨ï 20 (€¤à¥á à á¯. á⥪ );
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; 10) <20>¥à¥¤ ¥â ã¯à ¢«¥¨¥ ¯® ¤à¥áã 㪠§ ®¬ã ¢ ᬥ饨¨ 18 (€¤à¥á § ¯ã᪠);
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;
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; <20>à¥ä¨ªá § ¯ãáª ä ©« :
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;
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; -03 1 db ? ; „¥áªà¨¯â®à ä ©« , ¥á«¨ exe-ä ©« á ¯¥à¢¨çë¬ § £àã§ç¨ª®¬
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; -02 1 db ? ; ˆ¤¥â¨ä¨ª â®à ¡«®ª ¯ ¬ïâ¨
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; -01 1 db ? ; “஢¥ì ⥪ã饩 ¯à®£à ¬¬ë
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; +00 1 db ? ; „«¨ ª®¬-áâப¨
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; +01 127 ds ? ; <20> à ¬¥âàë ª®¬-áâப¨, § ª 稢 ¥âáï ã«¥¬
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;///////////////////////////////////////////////////////////////////////
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EXEC: LD (CMDLINE),HL
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INC B ;R03
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DEC B ;R03
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JR Z,.VAR_1 ;R03
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DEC B ;R03
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JR Z,.VAR_2 ;R03
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LD A,DSS_Error.sys.INVALID_FUNCTION ;R03
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SCF ;R03
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RET ;R03
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;
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.VAR_1: ;LD (CMDLINE),HL
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CALL CHECKPATH ;CHECK FOR '\' - SHORT/FULL NAME
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;LD HL,(CMDLINE)
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JR C,EXEC0_SHORT
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.VAR_2: CALL EXEC_1
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LD A,DSS_Error.sys.FILE_NOT_FOUND
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SCF
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RET ; File not found - exit
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; ¯à¨ ¢ë室¥ á ®è¨¡ª®©, ¢ ॣ¨áâॠ€ - ª®¤ ®è¨¡ª¨
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EXEC_1: ;LD (CMDLINE),HL
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LD HL,(CMDLINE)
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LD A,FAT_ATTR.READ_ONLY
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LD (OPEN_FN.TMP),A
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CALL SetPath_GetName
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RET C
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; LD HL,TMPNAME
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; LD DE,MASKARE
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CALL MASK
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RET C
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CALL TST_EXT
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RET C
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_mINCTASK ;R08
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CALL OPEN_FN.FILE
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JR C,.Error
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POP HL ; ã¡¨à ¥¬ «¨è¨© ¤à¥á_¢®§¢à â _¢_¢ë§¢ ¢èãî_¯à®æ¥¤ãàã
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JP EXEC02 ;R07 CONTINUE EXECUTING PROGRAM
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.Error: _mDECTASK ;R08
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AND A
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RET
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;JR NC,.noError
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;_mDECTASK ;R08
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;AND A
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;RET
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;
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;.noError:
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;POP HL ; ã¡¨à ¥¬ «¨è¨© ¤à¥á_¢®§¢à â _¢_¢ë§¢ ¢èãî_¯à®æ¥¤ãàã
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;JP EXEC02 ;R07 CONTINUE EXECUTING PROGRAM
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;
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;SHORT NAME
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;TRY TO FIND IN CURRENT DIRECTORY
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EXEC0_SHORT: ; ¥á«¨ ã¡à âì, â® ¡ã¤¥â ª ª ¢ linux - ª®à®âª®¥ ¨¬ï § ¯ã᪠¥â EXE ⮫쪮 ¨§ ¯à®¯¨á ëå ¤¨à¥ªâ®à¨©,
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; ¥á«¨ 㦮 § ¯ãáâ¨âì ä ©« ¨§ ⥪ã饩 ¤¨à¥ªâ®à¨¨, â® â ª: ".\run.exe"
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CALL EXEC_1
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RET C
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;
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;FILE NOT FOUND, SEARCHING IN PATH
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; GET PATH AND ETC.
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LD HL,ENVPATH
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LD DE,ENVPAGE.ENVTEMP
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LD B,high Dss.Environ.Get
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CALL ENVIRON
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LD HL,(CMDLINE)
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LD DE,CORE_BUFFERS.EXEBUFF
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.COPYEXN: LD A,(HL)
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LDI
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OR A
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JR NZ,.COPYEXN
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CALL FINDPATH
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;[x] 1/10/2023
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LD A,DSS_Error.sys.FILE_NOT_FOUND
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RET C
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;
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LD HL,(CMDLINE)
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JR EXEC.VAR_2
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;
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EXEC02: LD (EXE_FM),A
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LD HL,CORE_BUFFERS.EXEBUFF
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LD DE,_sEXE_HEADER.UnUsedPoint ; #0080 ;!#0200(512) ;R02
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LD A,(EXE_FM)
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CALL READ
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JP C,ERREXE
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LD IX,CORE_BUFFERS.EXEBUFF
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LD HL,(CORE_BUFFERS.EXEBUFF.EXE_EXT)
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LD DE,'E'+'X'*256
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;AND A - ¥ 㦮, ¥á«¨ ¡ë ¡ë« CF=1, â® çãâì ¢ëè¥ ¬ë ¡ë ã諨 JP C,ERREXE
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SBC HL,DE
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LD A,DSS_Error.sys.INVALID_EXE
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SCF
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JP NZ,ERREXE
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;
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LD A,MINIMUM_EXE_VERSION
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CP (IX + _sEXE_HEADER.VERSION)
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LD A,DSS_Error.sys.UNKNOWN_EXE
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JP C,ERREXE
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;
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LD DE,(CORE_BUFFERS.EXEBUFF.LOADER)
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LD A,E
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OR D
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JP NZ,PRELOAD
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; A=0
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LD H,A
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LD L,A
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LD XL,A
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LD XH,A
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;
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LD B,high Dss.Move_FP.FrEnd
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LD A,(EXE_FM)
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CALL MOVE_FP
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LD DE,(CORE_BUFFERS.EXEBUFF.LD_ADDR)
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LD A,D
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AND #3F
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LD D,A
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ADD IX,DE
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;!TEST
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JR NC,.no_inc_hl
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INC HL
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;LD DE,#0000
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;ADC HL,DE
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;
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.no_inc_hl: LD A,XH
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SLA A
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RL L
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RL H
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SLA A
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RL L
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RL H
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OR XL
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JR Z,.NOINK
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INC HL
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.NOINK: LD A,H
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OR A
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JP NZ,ERREXE0
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LD B,L
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LD HL,.RET_1
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LD (_ret),HL
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JP _TST_PROC
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;
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; ‡ ¯ã᪠¡¥§ § £àã§ç¨ª
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.RET_1: LD DE,(CORE_BUFFERS.EXEBUFF.LD_ADDR)
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XOR A
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LD H,A
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LD L,A
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SBC HL,DE
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EX DE,HL ; de=ç¨á«® ç¨â. ¡ ©â
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LD HL,(CORE_BUFFERS.EXEBUFF.LD_ADDR) ; ¡ãä¥à
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LD A,(EXE_FM) ; ¤¥áªà. ä ©«
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CALL READ ; ç⥨¥ ¨§ ä ©«
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LD A,(EXE_FM) ; ¤¥áªà. ä ©«
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CALL CLOSE_FN ; § ªàëâì ä ©«
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;
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JP _TST_PROC_2
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;
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RETFAR: LD B,DSS_Error.sys.UNEXPECTED_APP_TRMN
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JP LEAVE ; § ¢¥àè¨âì ¯à®£à ¬¬ã (¯à®æ¥áá)
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;-------------------------------------------------
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; …᫨ à áè. ä ©« ¥ § ¤ ®, § ¤ âì "exe".
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; …᫨ à áè. ä ©« § ¤ ®, áà ¢¨âì ¥£® á "exe".
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;-------------------------------------------------
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TST_EXT: LD HL,EXE_EXT ; "EXE"
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LD DE,MASKARE+8
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LD B,3
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LD A,(DE)
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CP ' '
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JR NZ,.loop ; § ¤ ® à áè.
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LDI
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LDI
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LDI
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XOR A
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RET
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; áà ¢¨âì à áè. á "EXE"
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.loop: LD A,(DE)
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CP (HL)
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SCF
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RET NZ ; ¥ ᮢ¯ ¤ ¥â
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INC HL
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INC DE
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DJNZ .loop
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XOR A ; Ok
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RET
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;
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ERREXE0: LD A,DSS_Error.sys.NOT_ENOUGH_MEMORY
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ERREXE: PUSH AF
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LD A,(EXE_FM)
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CALL CLOSE_FN
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_mDECTASK
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POP AF
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RET
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;!TODO áà ¢¨âì á EXEC02
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PRELOAD: EX DE,HL
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LD DE,(CORE_BUFFERS.EXEBUFF.LD_ADDR)
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LD A,D
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AND #3F
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LD D,A
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ADD HL,DE
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XOR A
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SLA H
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RLA
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SLA H
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RLA
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LD B,A
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LD A,H
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OR L
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JR Z,.NOINK
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INC B
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.NOINK: LD HL,_RET_2
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LD (_ret),HL
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JR _TST_PROC
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;
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; ‡ ¯ãáª á § £àã§ç¨ª®¬
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_RET_2: LD HL,(CORE_BUFFERS.EXEBUFF.LD_ADDR) ; ¡ãä¥à
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LD DE,(CORE_BUFFERS.EXEBUFF.LOADER) ; ç¨á«® ç¨â. ¡ ©â
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LD A,(EXE_FM) ; ¤¥áªà. ä ©«
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CALL READ ; ç⥨¥ ¨§ ä ©«
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JP _TST_PROC_2
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;-------------------------------------------------------------------;[ ]
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_TST_PROC: CALL GETMEM
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JP C,ERREXE0
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;
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DI
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LD (EXE_MEM),A
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EXX
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POP DE ;ᨬ ¥¬ á® á⥪ ¤à¥á ¢®§¢à â
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LD HL,#0000
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ADD HL,SP
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LD SP,(EXSTACK)
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; ! „ «¥¥ á⥪ ¢ ã«¥¢®© áâà ¨æ¥! BIOS ¨ ¥ DSS-MAIN ¥ ¢ë§ë¢ âì
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PUSH HL ; +2 EXSTACK size for 1 task
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PUSH DE ; +2
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;
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IN A,(SLOT3)
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LD D,A
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IN A,(SLOT2)
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LD E,A
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IN A,(SLOT1)
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PUSH DE ; +2
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PUSH AF ; +2
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LD (EXSTACK),SP
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LD SP,HL
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;
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EXX
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;
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;!TEST 27/03/2024
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LD DE,RAMMAP+3
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LD A,(EXE_MEM)
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LD BC,4*256 + BIOS.GetMemPage
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.mem_loop: PUSH AF
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PUSH BC
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DEC B
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RST ToBIOS
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LD (DE),A
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DEC DE
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POP BC
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POP AF
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DJNZ .mem_loop
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;
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; LD DE,RAMMAP
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; ;
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; LD A,(EXE_MEM)
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; LD BC,0*256 + BIOS.GetMemPage
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; RST ToBIOS
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; LD (DE),A
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; INC DE
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; ;
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; LD A,(EXE_MEM)
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; LD BC,1*256 + BIOS.GetMemPage
|
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; RST ToBIOS
|
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; LD (DE),A
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; INC DE
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; ;
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; LD A,(EXE_MEM)
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; LD BC,2*256 + BIOS.GetMemPage
|
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; RST ToBIOS
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; LD (DE),A
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; INC DE
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; ;
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; LD A,(EXE_MEM)
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; LD BC,3*256 + BIOS.GetMemPage
|
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; RST ToBIOS
|
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; LD (DE),A
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;
|
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;
|
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LD HL,(CMDLINE)
|
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;LD DE,CORE_BUFFERS.BUFFER+1
|
||
LD DE,CORE_BUFFERS.BUFFER_CLP + 1
|
||
CALL SCOPYS
|
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;LD A,#80 ;!HARDCODE cmd line size
|
||
LD A,low CLP_Buffer
|
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SUB B
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LD (CORE_BUFFERS.BUFFER_CLP),A
|
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;
|
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LD SP,CORE_BUFFERS.EXEBUFF + _sEXE_HEADER ;R02
|
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; ! „ «¥¥ á⥪ ¢ ã«¥¢®© áâà ¨æ¥! BIOS ¨ ¥ DSS-MAIN ¥ ¢ë§ë¢ âì
|
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LD A,SHARED_PAGE
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OUT (SLOT1),A
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||
OUT (SLOT2),A
|
||
OUT (SLOT3),A
|
||
LD HL,(CORE_BUFFERS.EXEBUFF.LD_ADDR)
|
||
LD DE,RAMMAP
|
||
LD A,H
|
||
AND #C0
|
||
;!TEST
|
||
CP #80
|
||
JR Z,FR8000
|
||
JR NC,FRC000
|
||
;
|
||
FR4000: LD A,(DE)
|
||
OUT (SLOT1),A
|
||
INC DE
|
||
FR8000: LD A,(DE)
|
||
OUT (SLOT2),A
|
||
INC DE
|
||
FRC000: LD A,(DE)
|
||
OUT (SLOT3),A
|
||
;CALL M_PSP
|
||
;
|
||
LD HL,(CORE_BUFFERS.EXEBUFF.OFFCOD2)
|
||
LD IX,(CORE_BUFFERS.EXEBUFF.OFFCOD1)
|
||
LD B,high Dss.Move_FP.FrStart
|
||
LD A,(EXE_FM)
|
||
CALL MOVE_FP
|
||
;
|
||
;LD SP,#403F ;R02 ;!HARDCODE STACK before start EXE. “áâ ¢«¨¢ ¥âáï ª®£¤ ¢®âªãâë SHARED_PAGE
|
||
;LD A,R
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||
;DI
|
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LD SP,#4100 ;R02 ;!HARDCODE STACK before start EXE. “áâ ¢«¨¢ ¥âáï ª®£¤ ¢®âªãâë SHARED_PAGE
|
||
;PUSH AF
|
||
_ret+1: JP 0 ;EXEC02.RET_1 ¨«¨ _RET_2
|
||
;
|
||
; áî¤ ¢®§¢à â ¨§ EXEC02.RET_1 ¨«¨ _RET_2
|
||
_TST_PROC_2:
|
||
; ! „ «¥¥ á⥪ ¢ ã«¥¢®© áâà ¨æ¥! BIOS ¨ ¥ DSS-MAIN ¥ ¢ë§ë¢ âì
|
||
LD SP,CORE_BUFFERS.EXEBUFF + _sEXE_HEADER
|
||
CALL M_PSP
|
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LD SP,(CORE_BUFFERS.EXEBUFF.SP_REG)
|
||
LD DE,RETFAR ; ¤à¥á ¯/¯ "¥®¦¨¤ ®¥ § ¢¥à襨¥ ¯à®æ¥áá "
|
||
PUSH DE
|
||
; Current Dir ;[x] 15/10/23
|
||
PUSH IX
|
||
LD HL,CORE_BUFFERS.CurrentPath
|
||
LD A,(CORE_BUFFERS.EXEBUFF.VERSION)
|
||
;
|
||
OR A
|
||
JR NZ,.set_path
|
||
;
|
||
CALL DIR_PATH_CHANGE.FullCurrent
|
||
LD HL,CORE_BUFFERS.CurrentPath
|
||
.set_path: CALL CHDIR_FN
|
||
POP IX
|
||
; ¯à®¢¥àª ¯¥à¥¯®«¥¨¥ ¡ãä¥à CLP
|
||
LD A,(CORE_BUFFERS.BUFFER_CLP)
|
||
LD B,DSS_Error.sys.ENV_ITEM_OVERFLOW
|
||
INC A
|
||
JP Z,LEAVE
|
||
;
|
||
LD HL,(CORE_BUFFERS.EXEBUFF.PC_REG)
|
||
EI
|
||
JP (HL)
|
||
;-----------------------------------------------------------------------
|
||
; ! ¢ë§ë¢ ¥âáï ª®£¤ á⥪ ¢ ã«¥¢®© áâà ¨æ¥!
|
||
M_PSP: LD HL,(CORE_BUFFERS.EXEBUFF.LD_ADDR)
|
||
DEC H ;!FIXIT ®âáâ㯠256 (CLP buffer + data) § ¤ ®â LD_ADDR
|
||
LD D,H
|
||
LD E,L
|
||
INC DE
|
||
LD BC,#00FF ;!FIXIT à §¬¥à ¯®¤ ¡ãä¥à CLP
|
||
LD (HL),B
|
||
LDIR
|
||
EX DE,HL
|
||
DEC H
|
||
;LD DE,#0080 ;!FIXIT
|
||
LD DE,#0003 ;!FIXIT
|
||
ADD HL,DE
|
||
EX DE,HL
|
||
LD XH,D
|
||
LD XL,E
|
||
;LD HL,CORE_BUFFERS.BUFFER
|
||
LD HL,CORE_BUFFERS.BUFFER_CLP
|
||
LD C,(HL)
|
||
INC C
|
||
LDIR
|
||
EX DE,HL ;R06
|
||
;LD (HL),B
|
||
LD A,(TASK)
|
||
LD (IX-1),A
|
||
LD A,(EXE_MEM)
|
||
LD (IX-2),A
|
||
LD A,(EXE_FM)
|
||
LD (IX-3),A
|
||
; â ª ¨áâ®à¨ç¥áª¨ á«®¦¨«®áì, çâ® ¤¢ 0 ¯®á«¥ ¯ à ¬¥â஢ áâப¨
|
||
INC HL
|
||
;LD (HL),B
|
||
INC HL
|
||
;!FIXIT âãâ ¢®ááâ ¢«¨¢ âì ¯à ¢¨«ìë© ª â «®£
|
||
CALL CURDISK
|
||
ADD A,'A'
|
||
LD (HL),A
|
||
INC HL
|
||
LD A,':'
|
||
LD (HL),A
|
||
INC HL
|
||
PUSH HL
|
||
;!FIXIT âãâ ç¨â âì CURRDIR ¢ ®â¤¥«ìë© ¡ãä¥à ¨ ¨§ ¥£® ª®¯¨à®¢ âì ¢ HL ¡¥§ ¢ë室 § £à ¨æë ¡ãä¥à
|
||
LD HL,CORE_BUFFERS.BUFFER_CLP
|
||
CALL CURRDIR
|
||
;
|
||
POP DE
|
||
LD HL,(CORE_BUFFERS.EXEBUFF.LD_ADDR)
|
||
SBC HL,DE
|
||
;!FIXIT ®âà ¡®â âì Z ¨ CF
|
||
LD B,H
|
||
LD C,L
|
||
;EX DE,HL
|
||
JR Z,.error_CLP
|
||
JR C,.error_CLP
|
||
; hl - ¤à¥á ¢ CLP ¤«ï § ¯¨á¨ ¯®«®£® ¨¬¥¨ ¯à¨«®¦¥¨ï á ¯ãâñ¬
|
||
; bc - ª®«¨ç¥á⢮ ®á⠢襣®áï ¬¥áâ ¢ ¡ãä¥à¥
|
||
;
|
||
LD HL,CORE_BUFFERS.BUFFER_CLP
|
||
.copy_loop: CALL .copyAndCheck
|
||
JP PO,.error_CLP
|
||
;
|
||
EX DE,HL
|
||
DEC HL
|
||
LD A,'\' ;
|
||
LD (HL),A
|
||
INC HL
|
||
.YP_ESLA: PUSH HL
|
||
PUSH BC
|
||
LD HL,MASKARE
|
||
LD DE,TMPNAME
|
||
CALL GetName
|
||
POP BC
|
||
POP DE
|
||
LD HL,TMPNAME
|
||
;
|
||
CALL .copyAndCheck
|
||
LD (APPINFO.LAST_PSP_PTR),IX ; !FIXIT ᤥ« âì ç¥à¥§ á⥪ ¯¥à¥¬¥ëå?
|
||
RET
|
||
;
|
||
.copyAndCheck: LD A,(HL)
|
||
AND A
|
||
LDI
|
||
RET Z
|
||
JP PE,.copyAndCheck
|
||
; ¥á«¨ ¬ë âãâ, â® ¡ãä¥à ¥ å¢ â¨«® ¨ 㦮 ¢ë¤ ¢ âì ®è¨¡ªã
|
||
POP HL ; ᨬ ¥¬ ¤à¥á ¢®§¢à â
|
||
;
|
||
.error_CLP: LD A,#FF
|
||
LD (CORE_BUFFERS.BUFFER_CLP),A
|
||
RET
|
||
|
||
SCOPYS: LD BC,256*(low CLP_Buffer) + ' '+1
|
||
.loop: LD A,(HL)
|
||
CP C
|
||
JR C,.copy
|
||
;
|
||
INC HL
|
||
DJNZ .loop
|
||
XOR A
|
||
LD (DE),A
|
||
LD B,low CLP_Buffer
|
||
RET
|
||
;
|
||
.copy: LD BC,256*(low CLP_Buffer) + ' '
|
||
AND A
|
||
LD (DE),A
|
||
RET Z
|
||
;
|
||
.loop2: LD A,(HL)
|
||
LD (DE),A
|
||
INC HL
|
||
INC DE
|
||
CP C
|
||
RET C
|
||
DJNZ .loop2
|
||
; âã⠮訡ª - ᫨誮¬ ¤«¨ ï áâப ¯ à ¬¥â஢
|
||
INC B
|
||
RET
|
||
;---------------------------------------------------------------------
|
||
ENVPATH: DB "PATH=",0
|
||
EXE_EXT: DB "EXE"
|
||
TASK: DB #01 ; ã஢¥ì ⥪ã饩 ¯à®£à ¬¬ë
|
||
;
|
||
RAMMAP: DB #00,#00,#00,#00
|
||
ErrorLevel: DB #00 ; ª®¤ § ¢¥àè¥¨ï ¯à®£à ¬¬ë (¯à®æ¥áá )
|
||
EXE_FM: DB #00 ; ¤¥áªà. ä ©«
|
||
EXE_MEM: DB #00 ; ¨¤¥â¨ä¨ª â®à ¡«®ª ¯ ¬ïâ¨
|
||
CMDLINE: DW #0000
|
||
EXSTACK: DW CORE_BUFFERS.XSTACK.Spoint ; ¤à¥á á⥪
|
||
;/////////////////////////////////////////////////////////////////////
|
||
|
||
|
||
|
||
;/////////////////////////////////////////////////////////////////////
|
||
; ”ãªæ¨ï #41. ‡ ¢¥àè¨âì ¯à®£à ¬¬ã (¯à®æ¥áá).
|
||
;
|
||
; ¢å®¤: B - ª®¤ § ¢¥à襨ï
|
||
; ¢ë室: A - ª®¤ ®è¨¡ª¨, ¥á«¨ CF=1
|
||
;
|
||
; ‚ë室 ¨§ EXE-ä ©« :
|
||
;
|
||
; 1) Žá¢®¡®¦¤ îâáï ¢á¥ ¡«®ª¨ ¯ ¬ï⨠ª®â®àë¥ ¢ë¤¥«ï«¨áì ¤ ®¬ã ¯à¨«®¦¥¨î.
|
||
; 2) ‡ ªàë¢ îâáï ¢á¥ ä ©«ë ®âªàëâë¥ ¯à¨«®¦¥¨¥¬
|
||
; 3) ‚®ááâ ¢«¨¢ îâáï áâà ¨æë ª®â®àë¥ ¡ë«¨ ¯®¤ª«îç¥ë ¤® § ¯ã᪠EXE-ä ©« .
|
||
; 4) ‚ᯮ¬¨ ¥âáï á⥪.
|
||
; 5) ‚ ॣ¨áâà A ¯®¬¥é ¥âáï ª®¤ ¢®§¢à â ¨ ¢ë¯®«ï¥âáï RET.
|
||
;
|
||
;/////////////////////////////////////////////////////////////////////
|
||
LEAVE: ;LD A,R
|
||
;PUSH AF ; INT ON/OFF
|
||
DI
|
||
;
|
||
LD A,B
|
||
LD (ErrorLevel),A
|
||
CALL FREE_PROCESS_MEMORY
|
||
;[x] 10/12/23 close EXE FMs
|
||
CALL FREE_PROCESS_FMs
|
||
;
|
||
_mDECTASK
|
||
;
|
||
;POP DE ; INT ON/OFF
|
||
LD SP,(EXSTACK)
|
||
; âãâ á⥪ ¢ ã«¥¢®© áâà ¨æ¥!
|
||
POP AF ; -2 EXSTACK size for 1 task
|
||
POP HL ; -2
|
||
OUT (SLOT1),A
|
||
LD A,L
|
||
OUT (SLOT2),A
|
||
LD A,H
|
||
OUT (SLOT3),A
|
||
;
|
||
;LD A,E ; INT ON/OFF
|
||
POP DE ; -2
|
||
POP HL ; -2
|
||
LD (EXSTACK),SP
|
||
LD SP,HL
|
||
;
|
||
;!TEST
|
||
;AND %0000'0100 ; PO/PE flag
|
||
;JR Z,.no_ei
|
||
EI
|
||
.no_ei: ;
|
||
EX DE,HL
|
||
LD A,(ErrorLevel)
|
||
;R12
|
||
CP DSS_Error.sys.UNEXPECTED_APP_TRMN ; #27 0010 0111 6
|
||
JR Z,.error_exit
|
||
CP DSS_Error.sys.USER_ABORT ; #25 0010 0101 4
|
||
JR Z,.error_exit
|
||
CP DSS_Error.sys.ENV_ITEM_OVERFLOW ; #21 0010 0001 0
|
||
JR NZ,.norm_exit
|
||
.error_exit: SCF
|
||
JP (HL)
|
||
;
|
||
.norm_exit: AND A
|
||
JP (HL)
|
||
;/////////////////////////////////////////////////////////////////////
|
||
|
||
;/////////////////////////////////////////////////////////////////////
|
||
; ”ãªæ¨ï #42. <20>®«ãç¨âì ª®¤ § ¢¥àè¥¨ï ¯à®£à ¬¬ë.
|
||
;
|
||
; ¢å®¤: ¥â
|
||
; ¢ë室: A - ª®¤ § ¢¥à襨ï
|
||
;/////////////////////////////////////////////////////////////////////
|
||
GET_ERR: LD A,(ErrorLevel)
|
||
AND A
|
||
RET
|
||
;/////////////////////////////////////////////////////////////////////
|
||
|
||
;-----------------------------------------------------------------------
|
||
FREE_PROCESS_MEMORY:
|
||
;LD HL,MEMTAB
|
||
LD HL,CORE_BUFFERS.MemoryTable ; ¬ áᨢ ᯨ᪠¢ë¤¥«. áâà ¨æ
|
||
LD BC,256 ;!HARDCODE à §¬¥à ¡«®ª áâà ¨æ Ž‡“
|
||
.loop: LD A,(TASK)
|
||
CPIR
|
||
RET NZ
|
||
PUSH HL
|
||
PUSH BC
|
||
DEC HL
|
||
AND A
|
||
;LD DE,MEMTAB
|
||
LD DE,CORE_BUFFERS.MemoryTable ; ¬ áᨢ ᯨ᪠¢ë¤¥«. áâà ¨æ
|
||
SBC HL,DE
|
||
LD A,L
|
||
CALL RETMEM ; ®á¢®¡. ¡«®ª ¯ ¬ïâ¨
|
||
POP BC
|
||
POP HL
|
||
JP .loop
|
||
;-----------------------------------------------------------------------
|
||
|
||
|
||
;-----------------------------------------------------------------------
|
||
FREE_PROCESS_FMs:
|
||
LD IY,CORE_BUFFERS.FM_BUF - CORE_BUFFERS.FM_BUF.Size
|
||
LD DE,CORE_BUFFERS.FM_BUF.Size
|
||
LD B,FMCOUNT+1
|
||
LD A,(TASK)
|
||
.loop: ADD IY,DE
|
||
CP (IY+_sFM.TASK_NUM)
|
||
JR NZ,.next
|
||
; close fm
|
||
PUSH AF
|
||
XOR A
|
||
OR (IY+_sFM.TASK_NUM)
|
||
JR Z,.skip
|
||
PUSH IY
|
||
PUSH DE
|
||
LD A,FMCOUNT+1
|
||
SUB B
|
||
PUSH BC
|
||
CALL CLOSE_FN
|
||
POP BC
|
||
POP DE
|
||
POP IY
|
||
.skip: POP AF
|
||
;
|
||
.next: DJNZ .loop
|
||
RET
|
||
;
|
||
;-----------------------------------------------------------------------
|
||
|
||
|
||
;-----------------------------------------------------------------------
|
||
CHECKPATH: ; !TODO ᤥ« âì ¯à®¢¥àªã ª®«¨ç¥á⢮ 横«®¢
|
||
LD A,(HL)
|
||
INC HL
|
||
CP '\'
|
||
RET Z
|
||
; CP '/' ;ALT SLASH
|
||
; RET Z
|
||
CP " "+1
|
||
JR NC,CHECKPATH
|
||
RET
|
||
;-----------------------------------------------------------------------
|
||
|
||
|
||
;-----------------------------------------------------------------------
|
||
FINDPATH:
|
||
SET_PAGE_X ENVPAGE
|
||
PUSH AF
|
||
;!TEST
|
||
;CALL CURRDSK_FN
|
||
;ADD A,"A"
|
||
;LD HL,TMP_CURDIR
|
||
;LD (HL),A
|
||
;INC HL
|
||
;LD A,":"
|
||
;LD (HL),A
|
||
;INC HL
|
||
;CALL CURRDIR_FN
|
||
;
|
||
CALL .MAKE_PATH_ARRAY
|
||
LD HL,ENVPAGE.PATH_PNT_ARRAY
|
||
.NEXTPATHI:
|
||
LD E,(HL)
|
||
INC HL
|
||
LD D,(HL)
|
||
INC HL
|
||
BIT ABSOLUTE_DIR,(HL)
|
||
INC HL
|
||
PUSH HL
|
||
PUSH BC
|
||
EX DE,HL
|
||
CALL Z,.GOTO_CURDIR
|
||
CALL NZ,CHDIR
|
||
JR C,.BADPATH
|
||
LD HL,CORE_BUFFERS.EXEBUFF
|
||
CALL MASK.name
|
||
JR C,.BADPATH
|
||
CALL TST_EXT
|
||
JR C,.BADPATH
|
||
CALL SEARCH.File
|
||
.BADPATH:
|
||
POP BC
|
||
POP HL
|
||
JR NC,.PATHFOUND
|
||
DJNZ .NEXTPATHI
|
||
SCF
|
||
.PATHFOUND:
|
||
POP BC
|
||
LD A,B
|
||
OUT (SLOT3),A
|
||
LD A,DSS_Error.sys.PATH_NOT_FOUND
|
||
RET
|
||
.GOTO_CURDIR:
|
||
PUSH AF
|
||
PUSH HL
|
||
LD HL,CORE_BUFFERS.CurrentDirectory
|
||
CALL CHDIR
|
||
POP HL
|
||
POP AF
|
||
RET
|
||
.MAKE_PATH_ARRAY:
|
||
LD HL,ENVPAGE.PATH_PNT_ARRAY-1 ;R04 -1
|
||
LD DE,ENVPAGE.ENVTEMP-1
|
||
LD B,#00
|
||
.NEXTAR:
|
||
LD (HL),C ;R04
|
||
INC HL ;R04
|
||
XOR A
|
||
LD (DE),A
|
||
LD C,A
|
||
INC DE
|
||
LD (HL),E
|
||
INC HL
|
||
LD (HL),D
|
||
INC HL
|
||
;R04 LD (HL),C
|
||
;R04 INC HL
|
||
INC B
|
||
.NEXTRT:
|
||
LD A,(DE)
|
||
CP '\'
|
||
JR NZ,.NEXTCH
|
||
.NEXTDR:
|
||
SET ABSOLUTE_DIR,C
|
||
.NEXTRL:
|
||
;SET RELATIVE_DIR,C ;!TODO ????
|
||
.NEXTCH:
|
||
LD A,(DE)
|
||
CP ";"
|
||
JR Z,.NEXTAR
|
||
INC DE
|
||
; CP "."
|
||
; JR Z,NEXTRL
|
||
CP ":"
|
||
JR Z,.NEXTRT
|
||
OR A
|
||
JR NZ,.NEXTCH
|
||
LD (HL),C ;R04
|
||
INC HL ;R04
|
||
LD (HL),A
|
||
INC HL
|
||
LD (HL),A
|
||
RET
|
||
;-----------------------------------------------------------------------
|
||
|
||
|
||
;R11 \\\\\\\\\\\\\\\\\\\\\\\\\\\\
|
||
;;
|
||
; EXEBUFF:
|
||
; DB "EXE"
|
||
; DB #00
|
||
; OFFCOD1 DW #0000
|
||
; OFFCOD2 DW #0000
|
||
; LOADER DW #0000
|
||
; DW #0000
|
||
; DW #0000
|
||
; DW #0000
|
||
; LD_ADDR DW #0000
|
||
; PC_REG DW #0000
|
||
; SP_REG DW #0000
|
||
; BLOCK 512-($-EXEBUFF),0
|
||
; ;(!!!HERE STACK FOR EXEC!!!)
|
||
; BLOCK 255,0
|
||
; XSTACK DB #00
|
||
;R11 ////////////////////////////
|
||
; |