Apple II User Manual
3380 F8F6 60 RTS
3381 F8F7 18 AT01 CLC
3382 F8F8 60 RTS
3382 F8F8 60 RTS
3383 F8F9
3384 F8F9 ;SEE IF WE RAN PAST END OF BUFFER LIMIT
3384 F8F9 ;SEE IF WE RAN PAST END OF BUFFER LIMIT
3385 F8F9 A5 E1 ATEND LDA BOTLN
3386 F8FB A6 E2 LDX BOTLN+1
3386 F8FB A6 E2 LDX BOTLN+1
3387 F8FD E4 E6 CPX END+1 ;HIGH BYTE > OR = ?
3388 F8FF 90 F6 BCC AT01
3388 F8FF 90 F6 BCC AT01
3389 F901 D0 F2 BNE AT02
3390 F903 C5 E5 CMP END ;LOW BYTE > OR = ?
3390 F903 C5 E5 CMP END ;LOW BYTE > OR = ?
3391 F905 90 F0 BCC AT01
3392 F907 B0 EC BCS AT02
3392 F907 B0 EC BCS AT02
3393 F909
3394 F909 ; SAVE CURRENT LINE (NEWLN) IN S1
3394 F909 ; SAVE CURRENT LINE (NEWLN) IN S1
3395 F909 A5 DF NOWS1 LDA NOWLN
3396 F90B A6 E0 LDX NOWLN+1
3396 F90B A6 E0 LDX NOWLN+1
3397 F90D 4C 16 F9 JMP ADDS1A
3398 F910
3398 F910
3399 F910 ; MOVE ADDR INTO S1
3400 F910 AD 1C A4 ADDRS1 LDA ADDR
3400 F910 AD 1C A4 ADDRS1 LDA ADDR
3401 F913 AE 1D A4 LDX ADDR+1
3402 F916 8D 1A A4 ADDS1A STA S1
3402 F916 8D 1A A4 ADDS1A STA S1
3403 F919 8E 1B A4 STX S1+1
3404 F91C 60 RTS
3404 F91C 60 RTS
3405 F91D
3406 F91D ; SUBTRACT ONE FROM CURRENT LINE (NOWLN)
3406 F91D ; SUBTRACT ONE FROM CURRENT LINE (NOWLN)
3407 F91D C6 DF SUB DEC NOWLN
3408 F91F A5 DF LDA NOWLN
3408 F91F A5 DF LDA NOWLN
3409 F921 C9 FF CMP #$FF
3410 F923 D0 02 BNE SUB1
3410 F923 D0 02 BNE SUB1
3411 F925 C6 E0 DEC NOWLN+1
3412 F927 60 SUB1 RTS
3412 F927 60 SUB1 RTS
3413 F928
3414 F928 ; ADD ACC TO CURRENT LINE (NOWLN)
3414 F928 ; ADD ACC TO CURRENT LINE (NOWLN)
3415 F928 A9 01 AD1 LDA #1
3416 F92A 18 ADDA CLC
3416 F92A 18 ADDA CLC
3417 F92B 65 DF ADC NOWLN
3418 F92D 85 DF STA NOWLN
3418 F92D 85 DF STA NOWLN
3419 F92F 90 02 BCC ADDA1
3420 F931 E6 E0 INC NOWLN+1
3420 F931 E6 E0 INC NOWLN+1
3421 F933 60 ADDA1 RTS
3422 F934
3422 F934
3423 F934 A5 DF SAVNOW LDA NOWLN ;SAVE CURRENT LINE INTO ADDR
3424 F936 8D 1C A4 STA ADDR
3424 F936 8D 1C A4 STA ADDR
3425 F939 A5 E0 LDA NOWLN+1
3426 F93B 8D 1D A4 STA ADDR+1
3426 F93B 8D 1D A4 STA ADDR+1
3427 F93E 60 REP2 RTS
3428 F93F
3428 F93F
3429 F93F ;MOVE CURRENT TEXT AROUND TO HAVE
3430 F93F ;SPACE TO PUT IN THE NEW BUFFER
3430 F93F ;SPACE TO PUT IN THE NEW BUFFER
3431 F93F A4 EA REPLAC LDY LENGTH
3432 F941 C4 E9 CPY OLDLEN ;COMPARE OLD AND NEW LENGTHS
3432 F941 C4 E9 CPY OLDLEN ;COMPARE OLD AND NEW LENGTHS
3433 F943 D0 1A BNE R2W ;BRANCH IF DIFF
3434 F945 F0 07 BEQ R87 ;LENGTHS ARE EQUAL. JUST REPLACE
3434 F945 F0 07 BEQ R87 ;LENGTHS ARE EQUAL. JUST REPLACE
3435 F947 A9 0D R8 LDA #CR
3436 F949 91 DF STA (NOWLN),Y
3436 F949 91 DF STA (NOWLN),Y
3437 F94B 20 4A FA JSR GOGO
3438 F94E
3438 F94E
3439 F94E ;LENGTH = OLDLEN
3440 F94E 88 R87 DEY
3440 F94E 88 R87 DEY
3441 F94F C0 FF CPY #$FF