Re: Breakout Game

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From	Duncan Snowden <duncan_s@talktalk.net>
Newsgroups	comp.sys.sinclair
Subject	Re: Breakout Game
Date	Sat, 2 May 2020 17:53:29 +0100
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On Fri, 1 May 2020 23:22:02 +0200
Francois LE COAT <lecoat@atari.org> wrote:

> Here is the first Breakout Game I typed with a friend, on the ZX81 ...

I managed to OCR your PDF, tidy it up, and with the help of
ZXText2P[1], get it into an emulator. Unfortunately, I think there
might still be a typo in the machine code. I certainly missed a couple
in the BASIC at first. It doesn't crash the machine, surprisingly, but
it's definitely not working properly.

In days gone by, I'd probably have been flamed for posting an entire
listing, but there's hardly anyone around here any more, and it's not
very long, so screw it. I had to change the graphics characters to hash
signs (which ZXText2P turns into pound symbols, for some reason) but
they're easy enough to change back in the emulator.

1 REM AUTEUR REMY HEAULME
2 REM ******MUR******
5 FAST
10 LET DFILE=PEEK 16396+2S6*PEEK 16397
20 LET R=3E4
30 LET
C$="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"
49 FOR X=1 TO LEN C$-1 STEP 2 50 POKE R+INT ((X-1)/2), (CODE C$(X) -28)
*16+CODE C$ (X+1) -28 60 NEXT X
70 LET N=0
71 CLS
75 PRINT "QUEL NIVEAU ?","1 TRES BON",,"2 BON",,"3 MOYEN",,"4 DEBUTANT"
80 PAUSE 4E4
85 LET Z=(CODE INKEY$-28) *3+8
90 POKE 30155,Z
100 CLS
110 LET a=28192
120 LET B=INT (RND*30) +2+DFILE+.33*6
130 POKE A,B-256*INT (B/256)
135 POKE a+1,INT (B/256)
140 POKE A+2,B+1-256*INT ((B+1)/256)
145 POKE A+3,INT ((B+1) /256)
150 POKE A+4,B+33-256*INT ((B+33) /256)
155 POKE A+5,INT ((B+33) /256)
160 POKE A+6,1
165 POKE A+7,0
170 POKE A+8,33
175 POKE A+9,0
185 POKE A+10,16
190 LET B=DFILE+33*21+1
195 POKE A+11,B-256*INT (B/256)
200 POKE A+12, INT (B/256)
205 LET B=DFILE+33*14+1
210 POKE A+13,B-256*INT (B/256)
215 POKE A+14, INT (B/256)
220 POKE A+17,90
225 LET B=DFILE+33*14+3
230 POKE A+18,B-256*INT (B/256)
235 POKE A+19, INT (B/256)
240 SLOW
250 REM DESSIN DE L ECRAN
260 PRINT "################################"
280 FOR X=0 TO 21
290 PRINT AT X,0;"#""; TAB 31;"#"
300 NEXT X
310 FOR Y=5 TO 7
340 PRINT AT Y,1;"##############################"
350 NEXT Y
360 PRINT AT 14,16;"###";AT 21,16;"###"
370 REM DEBUT DU PROGRAMME DE CALCUL
400 LET A=USR 30000
410 IF A THEN GOTO 500
420 LET N=N+1
430 GOTO 100
500 LET P=N*90+90-PEEK 28209
510 PRINT AT 10,0;"VOUS AVEZ ";P;" POINT";
520 IF P>1 THEN PRINT "S"
530 PRINT AT 12,0;"AU NIVEAU ";(Z-8) /3
540 PRINT AT 20,0; "APPUYEZ POUR UN AUTRE ESSAI"
550 PAUSE 4E4
560 GOTO 70

[1] http://freestuff.grok.co.uk/zxtext2p/index.html

-- 
Duncan Snowden.

Thread

Breakout Game Francois LE COAT <lecoat@atari.org> - 2020-05-01 23:22 +0200
  Re: Breakout Game Duncan Snowden <duncan_s@talktalk.net> - 2020-05-02 17:53 +0100
    Re: Breakout Game Francois LE COAT <lecoat@atari.org> - 2020-05-02 21:01 +0200
      Re: Breakout Game Duncan Snowden <duncan_s@talktalk.net> - 2020-05-02 22:49 +0100
        Re: Breakout Game Francois LE COAT <lecoat@atari.org> - 2020-05-05 00:10 +0200
          Re: Breakout Game Adam Sampson <ats@offog.org> - 2020-05-05 00:54 +0100
            Re: Breakout Game Francois LE COAT <lecoat@atari.org> - 2020-05-05 11:33 +0200
            Re: Breakout Game Duncan Snowden <duncan_s@talktalk.net> - 2020-05-06 01:12 +0100
              Re: Breakout Game Francois LE COAT <lecoat@atari.org> - 2020-05-06 17:40 +0200

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