Version 1#
10 ;LIST #D:AUTOBAS.SRC 20 ; 30 ;for creating AUTORUN.SYS 40 ; 50 ;MAC65 source code with 60 ;conversions to Atari Assembler 65 ;Editor 70 ; 80 ;Equates: 90 HATABS = $031A 0100 TEMP = $CB 0110 ; 0120 *= $4000 ;or anywhere 0130 ; 0140 ;Modify the Handler table 0150 MAIN 0160 LDX #36 ;search from END 0165 ; of table 0170 ELOOP LDA HATABS,X 0180 CMP #'E ;for 'E:' handler 0190 BEQ CHANGE 0200 DEX 0210 DEX 0220 DEX 0230 BPL ELOOP 0240 CHANGE ; the table address 0250 INX 0260 STX EDEX ;save HATABS loc 0270 LDA HATABS,X ;and E: vector 0280 STA TEMP 0290 LDA # <NEWTAB ;or NEWTAB&$FF 0300 STA HATABS,X 0310 INX 0320 LDA HATABS,X 0330 STA TEMP+1 0340 LDA # >NEWTAB ;or NEWTAB/256 0350 STA HATABS,X 0360 ;now transfer ROM table to RAM 0370 LDY #$00 0380 STY YSAV 0390 XLOOP LDA (TEMP),Y 0400 STA NEWTAB,Y 0410 INY 0420 CPY #$10 ;16 BYTES 0430 BCC XLOOP ;branch if <16 0440 ;now setup new getbyte routine 0450 LDA # <NEWGET-1 0455 ; or (NEWGET-1)&$FF 0460 STA GETBYTE 0470 LDA # >NEWGET-1 0475 ; or (NEWGET-1)/256 0480 STA GETBYTE+1 0490 RTS 0500 ;Handler table space 0510 NEWTAB 0520 OPEN .WORD 0 ;see Atari OS 0530 CLOSE .WORD 0 ;Manual, 0540 GETBYTE .WORD 0 ;DeRe Atari, or 0550 PUTBYTE .WORD 0 ;Mappng the Atari 0560 STATUS .WORD 0 0570 SPECIAL .WORD 0 0580 JUMP .BYTE 0,0,0 0590 .BYTE 0,0 ;16th byte 0595 ; & insurance 0600 YSAV .BYTE 0 0610 EDEX .BYTE 0 0620 ; 0629 ;Our new GETBYTE routine 0630 NEWGET 0640 LDY YSAV 0650 LDA CMDLIN,Y ;get 1 char 0660 CMP #$9B ;if C/R then done 0670 BEQ DONE 0680 INC YSAV ;indx next char 0690 LDY #$01 ;tell O.S. OK 0700 RTS 0710 DONE 0720 PHA ;save C/R 0730 TXA ;save X register 0740 PHA 0750 LDX EDEX ;find 'E:' entry 0760 LDA TEMP ;in HATABS 0770 STA HATABS,X ;replace our 0775 ; routine 0780 INX ;with the real 0785 ; vector 0790 LDA TEMP+1 0800 STA HATABS,X 0810 PLA ;restore X reg 0820 TAX 0830 PLA ;restore C/R to A 0840 LDY #$01 ;set status OK 0850 RTS 0860 ; 0870 CMDLIN ; passed to BASIC 0880 .BYTE "? ",$22,"Loading... MYPROG",$22 0890 .BYTE ":RUN ",$22,"D:myprog.bas",$22 0900 .BYTE $9B ; C/R!! 0910 ; 0920 ;set to execute when loaded 0930 *= $02E2 0940 .WORD MAIN
Version 2#
10 ; Routine for AUTORUN.SYS 20 HATABS = $031A 30 TEMP = $CB 40 *= $4000 50 ;Modify the Handler table 60 MAIN 70 LDA #$00 ;turn off antic 80 STA 559 ;and set the 90 LDA #192 ;screen color. 0100 STA 710 ; 0110 STA 712 ; 0120 LDX #36 0130 ELOOP LDA HATABS,X 0140 CMP #'E 0150 BEQ CHANGE 0160 DEX 0170 DEX 0180 DEX 0190 BPL ELOOP 0200 CHANGE 0210 INX 0220 STX EDEX 0230 LDA HATABS,X 0240 STA TEMP 0250 LDA # <NEWTAB 0260 STA HATABS,X 0270 INX 0280 LDA HATABS,X 0290 STA TEMP+1 0300 LDA # >NEWTAB 0310 STA HATABS,X 0320 ;Move Rom to Ram 0330 LDY #$00 0340 STY YSAV 0350 XLOOP LDA (TEMP),Y 0360 STA NEWTAB,Y 0370 INY 0380 CPY #$10 0390 BCC XLOOP 0400 LDA # <NEWGET-1 0410 STA GETBYTE 0420 LDA # >NEWGET-1 0430 STA GETBYTE+1 0440 RTS 0450 ;Handler table 0460 NEWTAB 0470 OPEN .WORD 0 0480 CLOSE .WORD 0 0490 GETBYTE .WORD 0 0500 PUTBYTE .WORD 0 0510 STATUS .WORD 0 0520 SPECIAL .WORD 0 0530 JUMP .BYTE 0,0,0 0540 .BYTE 0,0 0550 YSAV .BYTE 0 0560 EDEX .BYTE 0 0570 ;New Getbyte rutine 0580 NEWGET 0590 LDY YSAV 0600 LDA CMDLIN,Y 0610 CMP #$9B 0620 BEQ DONE 0630 INC YSAV 0640 LDY #$01 0650 RTS 0660 DONE 0670 PHA 0680 TXA 0690 PHA 0700 LDX EDEX 0710 LDA TEMP 0720 STA HATABS,X 0730 INX 0740 LDA TEMP+1 0750 STA HATABS,X 0760 PLA 0770 TAX 0780 PLA 0790 LDY #$01 0800 RTS 0810 ;The command line 0820 CMDLIN 0830 .BYTE "? ",$22,"Loading.",$22 0840 .BYTE ":RUN ",$22,"D:MENU",$22 0850 .BYTE $9B 0860 ; 0870 *= $02E2 0880 .WORD MAIN
