100 REM 'HRPRINT' DEMO
110 IF A=0 THEN A=1:LOAD "HRPRINT", 8, 1
120 IF A=1 THEN A=2:LOAD "HRCHARSET", 8, 1
130 POKE 53280,15
140 REM SET SYS ADDRESSES
150 IN=49152: PR=49207
160 REM BI ARRAY IS USED TO DRAW CURVE
170 FOR J=0 TO 7:BI(J)=2^J:NEXT
180 REM BITMAP AT 8192
190 BASE=8192
200 POKE 53272,PEEK(53272) OR 8
210 REM HI-RES
220 POKE 53265, PEEK(53265) OR 32
230 REM INITIALIZE MULTI/RVS(2),BITMAP AT 8192,CHARSET AT 16384,COLOR AT 1024
240 SYS IN, 2, 8192, 16384, 1024
250 REM CLEAR SCREEN AND DRAW CURVE
260 F$="":FOR J=1 TO 40:F$=F$+CHR$(32):NEXT
270 FOR J=0 TO 24:SYS PR, 15, 0, J, F$:NEXT
280 FOR Y=0 TO 199 STEP .5
290 X = INT(160+40 * SIN(Y/10))
300 BY = BASE+40 * (Y AND 248) + (Y AND 7)+(X AND 504)
310 POKE BY, PEEK(BY) OR (BI(NOT X AND 7))
320 NEXT Y
330 REM INITIALIZE HIRES(1),BITMAP AT 8192,CHARSET AT 16384,COLOR AT 1024
340 SYS IN, 1, 8192, 16384, 1024
350 REM PRINT MESSAGES ON HI-RES SCREEN
360 SYS PR, 6, 1, 1, "PRINT HR DEMO"
370 SYS PR, 2, 1, 2, "(C) 1987 COMPUTE!"
380 SYS PR, 1, 17, 21, "HIT ANY KEY TO EXIT"
390 SYS PR, 8, 17, 5, "YOU CAN PRINT NORMALLY"
400 REM INITIALIZE FOR REVERSE
410 SYS IN, 2, 8192, 16384, 1024
420 SYS PR, 5, 17, 13, "OR IN REVERSE LETTERS"
430 REM NORMAL CHARACTERS AGAIN
440 SYS IN, 1, 8192, 16384, 1024
450 SYS PR, 14, 2, 9, "TIMER:"
460 SYS PR, 14, 2, 17, "SCORE:"
470 REM UPDATE SCORE AND TIMER
480 FOR J=0 TO 10000
490 SYS PR, 0, 8, 9, TI
500 SYS PR, 0, 8, 17, J
510 GET X$
520 IF X$="" THEN NEXT J
530 REM BACK TO NORMAL TEXT SCREEN
540 POKE 53265,27:POKE 53272,21
550 PRINT CHR$(147):END