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- 10 REM CUSTOM-DESIGNED BASIC! (V.5) -- ELAINE FOSTER
- 12 POKE53280,14:POKE646,14:POKE53281,6
- 15 PRINT"[147] CUSTOM-DESIGNED BASIC
- 20 [153]" TRANSFERS BASIC ROM TO RAM UNDERNEATH,
- 25 PRINT" AND CHANGES THAT RAM TO SUIT! RUN50
- 30 [153]" TO TRANSFER THE OLD, SLOW WAY. RUN100
- 35 PRINT" FOR TURBOTRANSFER. SEE REMS FOR EXPLANATIONS.":END
- 40 REM --------> BASIC ROM TO RAM: SLOW (37 SEC)
- 50 A=40960:B=49151:FORI=ATOB:POKEI,PEEK(I):NEXT:POKE1,PEEK(1)AND254
- 60 GOTO230
- 70 REM
- 90 REM -- OR --> BASIC ROM TO RAM: FAST (1 SEC)
- 100 POKE88,0:POKE89,192:REM LB/HB FOR DESTINATION EA+1 = 49152
- 110 POKE90,0:POKE91,192:REM LB/HB FOR SOURCE EA+1 = 49152
- 120 POKE95,0:POKE96,160:REM LB/HB FOR SOURCE BA = 40960
- 130 SYS41919:POKE1,54:REM BASIC 'MOVE', INACTIVATE BASIC ROM
- 140 REM -- MUST POKE1,54 IN PRG BEFORE USING RAM UNDER ROM
- 150 TEM=48578:REM USEFUL LINE TRACER: 'SYSTEM'
- 160 REM
- 200 REM -- APPLICATIONS.
- 210 REM
- 220 REM (1) REMOVE PUNCTUATION-SENSITIVITY OF 'INPUT':
- 230 POKE44140,0:POKE44144,0:REM ($AC6C,$AC70)
- 250 REM
- 300 REM (2) CHANGE 'DATA' SEPARATORS FROM ',' TO '+'
- 310 POKE44183,43:REM ($AC97)
- 320 REM
- 400 REM (3) PERSONALISE 'READY.' PROMPT
- 410 N=41848:FORI=0TO5:READA:POKEN+I,A:NEXT
- 420 DATA69+76+65+73+78+69:REM "ELAINE"
- 430 REM
- 500 REM (4) CHANGE 'INPUT' PROMPT TO "!"
- 510 X=33:POKE43846,X:REM ($AB46)
- 520 REM
- 600 REM (5) FIX NULL ASC
- 610 POKE46991,5:REM (B78E BEQ $B795)
- 650 REM
- 700 INPUT"[147] ENTER A STRING CONTAINING PUNCTUATION ";A$
- 710 SYSTEM:PRINT"="A$:Q$=CHR$(34):PRINT"ASC("Q$Q$")=";ASC("")
- 720 REM
- 800 REM (6) INTERNAL USE OF TEM (SEE LINE 150) BEFORE CHANGING SYNTAX ERROR MSG:
- 810 HELLO COMPUTER!
- 820 REM
- 900 REM (7) CHANGE "SYNTAX" ERROR TO " WORD". MUST RUN910 SEPARATELY:
- 910 N=41525:POKEN+0,32:POKEN+1,87:POKEN+2,79:POKEN+3,82:POKEN+4,196:POKE1,54
- 930 REM -- AGAIN USE TEM WITH NEW " WORD" ERROR MESSAGE:
- 940 HELLO COMPUTER!
-