M100 TS-DOS ROM Compression: Difference between revisions
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(New page: == TS-DOS Model 100/102 ROM Compression Routines == This code, as you can see, has not been disassembled yet. <pre> ; ====================================================================...) |
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[[Category:M100 TS-DOS ROM Disassembly]] | |||
Latest revision as of 08:59, 3 April 2009
TS-DOS Model 100/102 ROM Compression Routines
This code, as you can see, has not been disassembled yet.
; ========================================================================================= ; Compress / Decompress a file a .DO file ; ========================================================================================= 5000H CALL 5008H 5003H RET 5004H CALL 500FH 5007H RET 5008H XRA A 5009H STA F69EH 500CH JMP 5018H ; ========================================================================================= ; Perform compression / decompression ; ========================================================================================= 500FH (3EH) MVI A,0CH 5011H (32H) STA F69EH 5014H (E7H) RST 4 ; Send character in A to screen/printer 5015H (CDH) CALL 5347H 5018H (22H) SHLD F69BH 501BH (21H) LXI H,534BH 501EH (11H) LXI D,F685H ; Keyboard buffer 5021H (01H) LXI B,0015H 5024H (CDH) CALL 5318H 5027H (3EH) MVI A,50H 5029H (32H) STA F69DH 502CH (AFH) XRA A 502DH (32H) STA F69FH 5030H (CDH) CALL 533BH 5033H (2AH) LHLD F69BH 5036H (CDH) CALL 5333H 5039H (EBH) XCHG 503AH (D5H) PUSH D 503BH (CDH) CALL 52ABH 503EH (00H) NOP 503FH (2EH) MVI L,7EH 5041H (C2H) JNZ 5046H 5044H (2EH) MVI L,80H 5046H (01H) LXI B,0000H 5049H (1AH) LDAX D 504AH (BDH) CMP L 504BH (DAH) JC 504FH 504EH (03H) INX B 504FH (13H) INX D 5050H (FEH) CPI 1AH 5052H (C2H) JNZ 5049H 5055H (E1H) POP H 5056H (3AH) LDA F69EH 5059H (D6H) SUI 0CH 505BH (C2H) JNZ 5060H ; Generate IE error 505EH (47H) MOV B,A 505FH (4FH) MOV C,A 5060H (CDH) CALL 533FH 5063H (D8H) RC 5064H (2BH) DCX H 5065H (E5H) PUSH H 5066H (CDH) CALL 52A5H 5069H (C2H) JNZ 5098H 506CH (CDH) CALL 52ABH 506FH (DCH) CC 5307H 5072H (C3H) JMP 521AH 5075H (CDH) CALL 5323H 5078H (DAH) JC 5075H 507BH (CDH) CALL 5337H 507EH (C9H) RET 507FH (4FH) MOV C,A 5080H (FEH) CPI 3AH 5082H (D0H) RNC 5083H (FEH) CPI 20H 5085H (37H) STC 5086H (C8H) RZ 5087H (FEH) CPI 2FH 5089H (C8H) RZ 508AH (3FH) CMC 508BH (C9H) RET 508CH (D6H) SUI 2FH 508EH (D0H) RNC 508FH (3EH) MVI A,0BH 5091H (C9H) RET 5092H (FEH) CPI 3AH 5094H (C0H) RNZ 5095H (3EH) MVI A,20H 5097H (C9H) RET 5098H (D5H) PUSH D 5099H (00H) NOP 509AH (00H) NOP 509BH (01H) LXI B,0000H 509EH (C5H) PUSH B 509FH (E1H) POP H 50A0H (03H) INX B 50A1H (13H) INX D 50A2H (1AH) LDAX D 50A3H (FEH) CPI 5BH 50A5H (D2H) JNC 50A0H 50A8H (FEH) CPI 1AH 50AAH (CAH) JZ 50B7H 50ADH (FEH) CPI 41H 50AFH (DAH) JC 50A1H 50B2H (00H) NOP 50B3H (23H) INX H 50B4H (C3H) JMP 50A1H 50B7H (C5H) PUSH B 50B8H (D1H) POP D 50B9H (DFH) RST 3 ; Compare DE and HL 50BAH (D1H) POP D 50BBH (DAH) JC 50C6H 50BEH (CDH) CALL 5307H 50C1H (3EH) MVI A,43H 50C3H (32H) STA F69DH 50C6H (AFH) XRA A 50C7H (32H) STA F69FH 50CAH (CDH) CALL 520AH 50CDH (CDH) CALL 518AH 50D0H (D2H) JNC 515EH 50D3H (CDH) CALL 507FH 50D6H (00H) NOP 50D7H (D2H) JNC 5117H 50DAH (13H) INX D 50DBH (1AH) LDAX D 50DCH (CDH) CALL 5080H 50DFH (1BH) DCX D 50E0H (47H) MOV B,A 50E1H (79H) MOV A,C 50E2H (D2H) JNC 5117H 50E5H (C2H) JNZ 50EEH 50E8H (B8H) CMP B 50E9H (CAH) JZ 5136H 50ECH (00H) NOP 50EDH (00H) NOP 50EEH (13H) INX D 50EFH (21H) LXI H,F69FH 50F2H (00H) NOP 50F3H (7EH) MOV A,M 50F4H (B7H) ORA A 50F5H (C2H) JNZ 50FFH 50F8H (3EH) MVI A,7EH 50FAH (77H) MOV M,A 50FBH (E1H) POP H 50FCH (77H) MOV M,A 50FDH (23H) INX H 50FEH (E5H) PUSH H 50FFH (79H) MOV A,C 5100H (CDH) CALL 508CH 5103H (00H) NOP 5104H (4FH) MOV C,A 5105H (78H) MOV A,B 5106H (CDH) CALL 508CH 5109H (C6H) ADI 0BH 510BH (0DH) DCR C 510CH (C2H) JNZ 5109H 510FH (C6H) ADI 7AH 5111H (E1H) POP H 5112H (77H) MOV M,A 5113H (E5H) PUSH H 5114H (C3H) JMP 50CAH 5117H (E1H) POP H 5118H (FEH) CPI 0DH 511AH (C2H) JNZ 512AH 511DH (13H) INX D 511EH (1AH) LDAX D 511FH (FEH) CPI 0AH 5121H (1BH) DCX D 5122H (3EH) MVI A,0DH 5124H (C2H) JNZ 512AH 5127H (13H) INX D 5128H (3EH) MVI A,80H 512AH (77H) MOV M,A 512BH (E5H) PUSH H 512CH (3AH) LDA F69FH 512FH (B7H) ORA A 5130H (C2H) JNZ 50C6H 5133H (00H) NOP 5134H (00H) NOP 5135H (7EH) MOV A,M 5136H (21H) LXI H,F684H 5139H (06H) MVI B,07H 513BH (05H) DCR B 513CH (CAH) JZ 50CAH 513FH (23H) INX H 5140H (BEH) CMP M 5141H (C2H) JNZ 513BH 5144H (0EH) MVI C,15H 5146H (CDH) CALL 518AH 5149H (D2H) JNC 515EH 514CH (21H) LXI H,F685H ; Keyboard buffer 514FH (BEH) CMP M 5150H (CAH) JZ 517BH 5153H (0DH) DCR C 5154H (CCH) CZ 520AH 5157H (CAH) JZ 5184H 515AH (23H) INX H 515BH (C3H) JMP 514FH 515EH (32H) STA F69AH 5161H (AFH) XRA A 5162H (32H) STA F69FH 5165H (78H) MOV A,B 5166H (FEH) CPI 07H 5168H (D2H) JNC 516EH 516BH (CDH) CALL 520AH 516EH (E1H) POP H 516FH (36H) MVI M,FFH 5171H (E5H) PUSH H 5172H (3AH) LDA F69AH 5175H (CDH) CALL 5195H 5178H (C3H) JMP 50CAH 517BH (79H) MOV A,C 517CH (C6H) ADI 15H 517EH (05H) DCR B 517FH (C2H) JNZ 517CH 5182H (C6H) ADI 6BH 5184H (E1H) POP H 5185H (77H) MOV M,A 5186H (E5H) PUSH H 5187H (C3H) JMP 50CAH 518AH (13H) INX D 518BH (1AH) LDAX D 518CH (FEH) CPI 1AH 518EH (CAH) JZ 52BAH 5191H (FEH) CPI 7EH 5193H (C9H) RET 5194H (7EH) MOV A,M 5195H (4FH) MOV C,A 5196H (3AH) LDA F69EH 5199H (B7H) ORA A 519AH (79H) MOV A,C 519BH (C1H) POP B 519CH (E1H) POP H 519DH (23H) INX H 519EH (C2H) JNZ 51A2H 51A1H (77H) MOV M,A 51A2H (E5H) PUSH H 51A3H (C5H) PUSH B 51A4H (C8H) RZ 51A5H (E7H) RST 4 ; Send character in A to screen/printer 51A6H (D5H) PUSH D 51A7H (6FH) MOV L,A 51A8H (3AH) LDA F63AH ; Cursor column (1-40) 51ABH (2FH) CMA 51ACH (C6H) ADI 2CH 51AEH (67H) MOV H,A 51AFH (7DH) MOV A,L 51B0H (CDH) CALL 51D7H 51B3H (00H) NOP 51B4H (00H) NOP 51B5H (3FH) CMC 51B6H (CAH) JZ 51C4H 51B9H (D2H) JNC 51C7H ; Print current STAT settings 51BCH (13H) INX D 51BDH (1AH) LDAX D 51BEH (CDH) CALL 51D7H 51C1H (C3H) JMP 51B6H 51C4H (CDH) CALL 532FH 51C7H (CDH) CALL 5075H 51CAH (00H) NOP 51CBH (D1H) POP D 51CCH (C8H) RZ 51CDH (FEH) CPI 20H 51CFH (DAH) JC 52BAH 51D2H (CCH) CZ 5327H 51D5H (00H) NOP 51D6H (C9H) RET 51D7H (25H) DCR H 51D8H (C8H) RZ 51D9H (FEH) CPI 21H 51DBH (3FH) CMC 51DCH (D0H) RNC 51DDH (FEH) CPI FEH 51DFH (3DH) DCR A 51E0H (D0H) RNC 51E1H (D6H) SUI 7FH 51E3H (CAH) JZ 5200H 51E6H (D8H) RC 51E7H (25H) DCR H 51E8H (00H) NOP 51E9H (C8H) RZ 51EAH (F5H) PUSH PSW 51EBH (3AH) LDA F69FH 51EEH (B7H) ORA A 51EFH (01H) LXI B,050BH 51F2H (C2H) JNZ 51F8H 51F5H (01H) LXI B,0015H 51F8H (F1H) POP PSW 51F9H (90H) SUB B 51FAH (90H) SUB B 51FBH (00H) NOP 51FCH (D8H) RC 51FDH (3CH) INR A 51FEH (FEH) CPI 6AH 5200H (3DH) DCR A 5201H (D0H) RNC 5202H (80H) ADD B 5203H (91H) SUB C 5204H (D8H) RC 5205H (C2H) JNZ 5203H 5208H (3CH) INR A 5209H (C9H) RET 520AH (C1H) POP B 520BH (E1H) POP H 520CH (23H) INX H 520DH (E5H) PUSH H 520EH (C5H) PUSH B 520FH (C9H) RET 5210H (AFH) XRA A 5211H (32H) STA F69FH 5214H (CDH) CALL 518AH 5217H (C3H) JMP 522FH ; TELCOM CALL instruction routine 521AH (CDH) CALL 52ABH 521DH (C2H) JNZ 5210H 5220H (CDH) CALL 518AH 5223H (DAH) JC 522FH ; TELCOM CALL instruction routine 5226H (C2H) JNZ 5239H 5229H (32H) STA F69FH 522CH (C3H) JMP 521AH 522FH (CDH) CALL 5195H 5232H (AFH) XRA A 5233H (32H) STA F69FH 5236H (C3H) JMP 521AH 5239H (FEH) CPI 80H 523BH (C2H) JNZ 5248H 523EH (3EH) MVI A,0DH 5240H (CDH) CALL 5195H 5243H (3EH) MVI A,0AH 5245H (C3H) JMP 522FH ; TELCOM CALL instruction routine 5248H (FEH) CPI FEH 524AH (CAH) JZ 5281H 524DH (D2H) JNC 5210H 5250H (4FH) MOV C,A 5251H (3AH) LDA F69FH 5254H (B7H) ORA A 5255H (79H) MOV A,C 5256H (CAH) JZ 5281H 5259H (D6H) SUI 86H 525BH (DAH) JC 521AH 525EH (01H) LXI B,0000H 5261H (0CH) INR C 5262H (D6H) SUI 0BH 5264H (D2H) JNC 5261H 5267H (C6H) ADI 3BH 5269H (CDH) CALL 5092H 526CH (32H) STA F69AH 526FH (79H) MOV A,C 5270H (C6H) ADI 2FH 5272H (CDH) CALL 5092H 5275H (CDH) CALL 5195H 5278H (3AH) LDA F69AH 527BH (CDH) CALL 5195H 527EH (C3H) JMP 521AH 5281H (D6H) SUI 81H 5283H (21H) LXI H,F68BH 5286H (2BH) DCX H 5287H (D6H) SUI 15H 5289H (D2H) JNC 5286H 528CH (C6H) ADI 16H 528EH (32H) STA F69AH 5291H (CDH) CALL 5194H 5294H (3AH) LDA F69AH 5297H (21H) LXI H,F69AH 529AH (2BH) DCX H 529BH (3DH) DCR A 529CH (C2H) JNZ 529AH 529FH (CDH) CALL 5194H 52A2H (C3H) JMP 521AH 52A5H (3AH) LDA F69EH 52A8H (FEH) CPI 0CH 52AAH (C8H) RZ 52ABH (2AH) LHLD F69BH 52AEH (01H) LXI B,000AH 52B1H (09H) DAD B 52B2H (7EH) MOV A,M 52B3H (FEH) CPI 50H 52B5H (C8H) RZ 52B6H (FEH) CPI 43H 52B8H (37H) STC 52B9H (C9H) RET 52BAH (32H) STA F69AH 52BDH (C5H) PUSH B 52BEH (CDH) CALL 52A5H 52C1H (C1H) POP B 52C2H (D1H) POP D 52C3H (E1H) POP H 52C4H (FEH) CPI 0CH 52C6H (C2H) JNZ 52D6H 52C9H (3AH) LDA F69AH 52CCH (FEH) CPI 1AH 52CEH (CCH) CZ 5327H 52D1H (CDH) CALL 532BH 52D4H (BFH) CMP A 52D5H (C9H) RET 52D6H (D6H) SUI 43H 52D8H (CAH) JZ 52E6H 52DBH (D6H) SUI 0FH 52DDH (CAH) JZ 52E6H 52E0H (78H) MOV A,B 52E1H (FEH) CPI 07H 52E3H (D2H) JNC 52E7H 52E6H (23H) INX H 52E7H (E5H) PUSH H 52E8H (2BH) DCX H 52E9H (01H) LXI B,FFFFH 52ECH (3EH) MVI A,1AH 52EEH (03H) INX B 52EFH (23H) INX H 52F0H (BEH) CMP M 52F1H (C2H) JNZ 52EEH 52F4H (E1H) POP H 52F5H (CDH) CALL 5343H 52F8H (CDH) CALL 52ABH 52FBH (CAH) JZ 5304H 52FEH (3AH) LDA F69DH 5301H (77H) MOV M,A 5302H (BFH) CMP A 5303H (C9H) RET 5304H (36H) MVI M,4FH 5306H (C9H) RET 5307H (21H) LXI H,F686H 530AH (3EH) MVI A,14H 530CH (F5H) PUSH PSW 530DH (7EH) MOV A,M 530EH (E6H) ANI DFH 5310H (77H) MOV M,A 5311H (F1H) POP PSW 5312H (3DH) DCR A 5313H (C8H) RZ 5314H (23H) INX H 5315H (C3H) JMP 530CH 5318H (7EH) MOV A,M 5319H (12H) STAX D 531AH (23H) INX H 531BH (13H) INX D 531CH (0BH) DCX B 531DH (78H) MOV A,B 531EH (B1H) ORA C 531FH (C2H) JNZ 5318H 5322H (C9H) RET 5323H (CFH) RST 1 ; Call main ROM at address in following 2 bytes 5324H DW 7283H 5326H (C9H) RET 5327H (CFH) RST 1 ; Call main ROM at address in following 2 bytes 5328H DW 12CBH 532AH (C9H) RET 532BH (CFH) RST 1 ; Call main ROM at address in following 2 bytes 532CH DW 4231H 532EH (C9H) RET 532FH (CFH) RST 1 ; Call main ROM at address in following 2 bytes 5330H DW 4222H 5332H (C9H) RET 5333H (CFH) RST 1 ; Call main ROM at address in following 2 bytes 5334H DW 5AE3H 5336H (C9H) RET 5337H (CFH) RST 1 ; Call main ROM at address in following 2 bytes 5338H DW 7242H 533AH (C9H) RET 533BH (CFH) RST 1 ; Call main ROM at address in following 2 bytes 533CH DW 2146H 533EH (C9H) RET 533FH (CFH) RST 1 ; Call main ROM at address in following 2 bytes 5340H DW 6B6DH) 5342H (C9H) RET 5343H (CFH) RST 1 ; Call main ROM at address in following 2 bytes 5344H DW 6B9FH 5346H (C9H) RET 5347H (CFH) RST 1 ; Call main ROM at address in following 2 bytes 5348H DW 4244H 534AH (C9H) RET ; ========================================================================================= ; Keystoke buffer contents (for performing compression?) ; ========================================================================================= 534BH DB "etaoinrshdlfcmugypwb"
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