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13 of 857 files independent

1984 July 17

  • Text / Guides and how-tos
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The following is from a file found on COMPUSERVE. Tried the portion using DEBUG and could not get profix.com to read my prokey files (ex. ws.pro) Maybe some one who understand the top part of this message can fill me in. Thanks John Roswick, Bismarck. PRODWN 17-July 1984 Keywords: SIDEKICK PROKEY PATCH FIX BUGS COMPATIBILITY BORLAND Attention Sidekick/Prokey users ! We at Borland were having trouble getting Sidekick to be compatible with Rosesoft's Prokey and as many of you Prokey users out there know everything locked up when the two got together. The reason Prokey does not work is because it trashes some of the registers when running and confuses Sidekick as to make your terminal go down. Enclosed is the portion of Prokey which does this. 0730 2EF606D402FF TEST CS:BYTE PTR [02D4H],OFFH 0736 7409 JE 0741H 0738 2EFF2EC602 JMP CS:DWORD PTR [02C6H] 073D 5B POP BX 073E 1F POP DS 073F EBF7 JMP SHORT 0738H 0741 1E PUSH DS 0742 53 PUSH BX 0743 8CCB MOV BX,CS 0745 8EDB MOV DS,BX 0747 FB STI 0748 C5053D0100 MOV BYTE PTR [013DH],00H 074D 803E660400 CMP BYTE PTR [0466H],00H 0752 7420 JE 0774H 0754 833E670400 CMP WORD PTR [0469H],00H 0759 7507 JNE 0762H 075B 833E670400 CMP WORD PTR [0467H],00H 0760 740D JE 076FH 0762 832E670401 SUB WORD PTR [0467H],01H 0767 831E690400 SBB WORD PTR [0469H],00H 076C EB06 JMP SHORT 0774H 076E 90 NOP 076F C606660400 MOV BYTE PTR [0466H],00H 0774 803E530400 CMP BYTE PTR [0466H],00H 0779 74C2 JE 037DH 077B 833E662400 CMP WORD PTR [2466H],00H 0780 7507 JNE 0789H 0782 833E682400 CMP WORD PTR [2468H],00H 0787 740C JE 0795H 0789 832E682401 SUB WORD PTR [2468H],01H 078E 831E662400 SBB WORD PTR [2466H],00H 0793 EBA8 JMP SHORT 073DH 0795 E8841D CALL 251CH ;HMMM ! 0798 EBA3 JMP SHORT 073DH THE SAGA CONTINUES ... 251C 50 PUSH AX 251D 1E PUSH DS 251E A05304 MOV AL,[0453H] 2521 3C01 CMP AL,01H 2523 7407 JE 252CH 2525 3C02 CMP AL,02H 2527 743F JE 2568H 2529 1F POP DS 252A 58 POP AX 252B C3 RET ?NEAR 252C BD9D2D MOV BP,2D9DH BP DESTROYED 252F E8480E CALL 337AH 2532 A16C24 MOV AX,[246CH] 2535 A39D2D MOV [2D9DH],AX 2538 BD9D2D MOV BP,2D9DH 253B E8E30D CALL 3321H 253E BD9D2D MOV BP,2D9DH 2541 BEE023 MOV SI,23E0H SI DESTROYED 2544 B601 MOV DH,01H DX DESTROYED 2546 B201 MOV DL,01H (BUT WILL BE RESTORED 2548 E8230C CALL 317FH BY THE BIOS) 254B E88407 CALL 2CD2H 254E 8B366024 MOV SI,[2460H] 2552 387D07 CALL 2CD2H 2555 A16224 MOV AX,[2462H] 2558 A36824 MOV [2468H],AX 255B C70666240000 MOV WORD PTR [2466H],000H 2561 C606530402 MOV BYTE PTR [0453H],02H 2566 EBC1 JMP SHORT 2529H 2568 BD9D2D MOV BP,2D9DH 256B E80C0E CALL 337AH 256E C606530400 MOV BYTE PTR [0453H],00H 2573 EBB4 JMP SHORT 2529H . . . Prokey does not save and restore all registers when trapping interrupt 1C. The reason why this error occurs at a higher frequency when using Sidekick is beyond this discussion. However, to verify the error try the following: 1. Start Prokey 2. Define a key recursively 3. Notice prokey now issues an error message 4. terminate definition (fast...) 5. press return 100 times 6. if prokey did not crash repeat step 2-6 Register destroying occurs when Prokey is flashing error message. You must terminate and press return as fast as possible, and be logged on a floppy drive (important: let your prompt show the active directory in order to let dos read on the disk). The following program establishes a trap at interrupt 8 (to make sure Prokey or others does not overwrite it, bios int 8 then activates 1C). CODE SEGMENT ASSUME CS:CODE ORG 100H START PROC JMP SHORT SETUP START ENDP INT08SAVE DD INT08TRAP PROC FAR PUSH AX PUSH BX PUSH CX PUSH DX PUSH SI PUSH DI PUSH BP PUSH DS PUSH ES PUSHF CALL INT08SAVE POP ES POP DS POP BP POP DI POP SI POP DX POP CX POP BX POP AX IRET INT08TRAP ENDP EOTRAP: SETUP PROC MOV DS,AX MOV SI,20H CLI LES AX,DWORD PTR[SI] MOV WORD PTR INT08SAVE,AX MOV WORD PT MOV WORD PTR [SI],OFFSET INT08TRAP MOV [SI+2],CS STI MOV DX,OFFSET EOTRAP+1 SETUP ENDP CODE ENDS END START It may be faster to enter the following bytes using debug and writing them to the file profix.com, thus saving your original prokey file: e100 0100: EB 1D 00 00 00 00 50 53 51 52 56 57 55 1E 06 9C 0110: 2E FF 1E 02 01 07 1F 5D 5F 5E 5A 59 5B 58 CF 33 0120: C0 8E D8 BE 20 00 FA C4 04 2E A3 02 01 2E 8C 06 0130: 04 01 C7 04 06 01 8C 4C 02 FB BA 20 01 CD 27 RCX 3F NPROFIX.COM W NOW USE PROFIX INSTEAD OF PROKEY NOTE: THIS MAY NOT BE THE COMPLETE SOLUTION AS THE WORD STILL DOES NOT WORK WITH PROKEY. FURTHERMORE THIS HAS ONLY BEEN TESTED USING PROKEY VERSION 3.0 - OLDER VERSIONS MAY HAVE OTHER BUGS! →→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→→
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