Search found 33 matches
- Fri Jan 06, 2017 9:27 am
- Forum: Hardware
- Topic: An External UDG extension?
- Replies: 4
- Views: 2122
- Mon May 16, 2016 8:51 pm
- Forum: Development
- Topic: Creating TeleText?
- Replies: 17
- Views: 6702
- Fri Dec 11, 2015 5:49 pm
- Forum: Hardware
- Topic: ZX81+35 Clone
- Replies: 228
- Views: 85260
Re: ZX81 Clone
PCB is not needed, we've been able to do PCB yourself at home. ;) Need just the body ZX80, for beauty. ;) I know that this is a simple vacuum-molded plastic. It cost a little pence, or rubles in the 90s. My brother was doing aircraft models so long ago - using this method. It seemed to me that I met...
- Fri Dec 11, 2015 10:47 am
- Forum: Hardware
- Topic: ZX81+35 Clone
- Replies: 228
- Views: 85260
Re: ZX81 Clone
My friend is now doing a clone of ZX80(With the firmware immediately by zx81) on radio parts and in the chips made in the USSR.
Not yet assembled, awaiting delivery of two chips.
The question is - is it possible to buy a replica body ZX80, and preferably cheaper?
Not yet assembled, awaiting delivery of two chips.
The question is - is it possible to buy a replica body ZX80, and preferably cheaper?
- Mon Oct 26, 2015 10:46 am
- Forum: ZX BASIC
- Topic: A 24x34 XXL Display... My Demo is ready!
- Replies: 9
- Views: 12443
Re: A 24x34 XXL Display... My Demo is ready!
40 characters were doing for a Prestel network.
It would be possible to get this ROM...
It would be possible to get this ROM...
- Thu Oct 01, 2015 1:07 pm
- Forum: Hardware
- Topic: I want UDG !
- Replies: 10
- Views: 4318
Re: I want UDG !
Relatively simple refinement for UDG: http://www.timexsinclair.org/unsorted/BestOfSUMThe.pdf
Page 55.
Page 55.
- Mon Sep 29, 2014 10:16 am
- Forum: Sinclair Misc
- Topic: BASIC
- Replies: 29
- Views: 18327
Re: BASIC
Version a little faster, but not much.
Even faster only machine code ...
Even faster only machine code ...
- Sun Sep 28, 2014 10:06 pm
- Forum: Sinclair Misc
- Topic: BASIC
- Replies: 29
- Views: 18327
Re: BASIC
Oops, even simpler: :oops: 10 LET S=100 20 LET L=5 50 LET S$="SCORE: "+STR$ S+" LIVES: "+STR$ L 70 GOSUB 9000 80 PRINT AT 0,0;S$ 90 LET S=S+10 100 LET L=L+1 110 GOTO 50 9000 REM INV TEXT VAR 9001 FOR I=1 TO LEN S$ 9010 LET S$(I)=CHR$ (CODE S$(I)+128) 9020 NEXT I 9030 RETURN P.S. But still slow.
- Sun Sep 28, 2014 10:00 pm
- Forum: Sinclair Misc
- Topic: BASIC
- Replies: 29
- Views: 18327
Re: BASIC
10 PRINT "SCORE : "; S; " LIVES: "; L Very simple, but slow to continuously update: 1 REM EXAMLE 10 LET S=100 20 LET L=5 30 LET S$=STR$ S 40 GOSUB 9000 50 PRINT " SCORE: ";S$; 60 LET S$=STR$ L 70 GOSUB 9000 80 PRINT " LIVES: ";S$ 100 STOP 9000 REM INV TEXT VAR 9001 FOR I=1 TO LEN S$ 9010 LET S$(I)=...
- Mon May 12, 2014 11:43 am
- Forum: ZX BASIC
- Topic: Bouncing ball
- Replies: 14
- Views: 12053
Re: Bouncing ball
command LET x = CODE "symbol" much faster = VAL "NN".
Unfortunately not always suitable.
But the VAL"31" and VAL "21" should be replaced by CODE "3" and CODE"+".
Unfortunately not always suitable.
But the VAL"31" and VAL "21" should be replaced by CODE "3" and CODE"+".