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Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…
... /> [CODE]
10 PRINT #1;AT 1,0;"Name: ";USR 8385;AT ... -
Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…
... -2)=202): NEXT n: PRINT #1;AT 1,0;"Name: ";USR 8385 ... -
Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... br /> PrintTotalErrors ;Subroutine to print information on total number of ... CreateHexDigit
;Convert number 0-15 in A
;To ... DB "Last Failed bits: --------",0
String9
DB ... MyStack
AlignmentByte
DB 0
ENDCODE
So you want to make a cardgame......but you haven't got a good deck to display. Well here is a fully relocatable routine that will do the job for you. Place the code anywhere in me…
... (23659),A ; allow PRINT AT 22,0
LD HL, ... 1008 ; CALL (IX) = PRINT AT
JR NC,again ... ; out of screen, end print
LD A,H ...Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…
... [CODE]
CALL PRINT
DB "Hello, world!",0
RET
PRINT
POP HL ... br /> RET Z
... ; print the char or process other ... control codes here
JR PRINT
[/CODE]
New for 2009 - mc onelinersI found the limit of one line and one screen's worth of program really useful in (re-)learning BASIC, so I've decided to carry the format over into m…
... a ;set carry flag to 0
sbc hl,de
ld a,8 ;print car
ld (hl),a ... in ROM
ld d,0
ld e,c
xor a ;print new road
ld (hl ...Help to run Abu Simbel in a +2A SpectrumI bought this game some weeks ago, but the version is the old one. When I loaded it in the emulator, I had to switch the keyboard issue to 48Kissue.…
... /> [code]
20 LET C=0: FOR F=65250 TO 65351 ...
25 IF C710659 THEN PRINT "DATA Error": STOP
[/code ...Help to run Abu Simbel in a +2A SpectrumI bought this game some weeks ago, but the version is the old one. When I loaded it in the emulator, I had to switch the keyboard issue to 48Kissue.…
... ][code]
20 LET C=0: FOR F=65250 TO 65351 ...
25 IF C710659 THEN PRINT "DATA Error": STOP
[/code ...Wireframe GraphicsI'm trying to get my head round 3d / wireframe graphics and not really having much luck. I've had a good look on google, but mostly come up with wir…
... ,-20
100 FOR a=0 TO 90 STEP 5
112 INK 0
115 REM PLOT cx ... /> 1045 INK 1
1050 PRINT AT 1,1;degrees;" Degrees ... "
1060 PRINT AT 1,13;radians;" Radians ...Assembler snippetsI was just thinking that a thread for small but useful assembler snippets to do useful things would be cool for people learning z80 coding. Not to me…
... :
[code]
LD HL,0
LD (23672),HL
LD A,"0" ; whenWireframe GraphicsI'm trying to get my head round 3d / wireframe graphics and not really having much luck. I've had a good look on google, but mostly come up with wir…
...
15 REM ------------------------------------
16 PRINT "populating table"
17 GO ... INK 0
120 FOR z=1 TO 4
130 PRINT ... 1,1;r(a,3): PRINT AT 1,13;r(a ... =1
1025 FOR a=0 TO 90 STEP 5
How does the Speccy deal with the Character Set?Hi All, Can anyone spare a little time to explain to me the basic Assembly method of how the Speccy interprets and retrieves Characters to print on …
... H" ;fetch the character to print
;---------------------------------------------------------------
LD L ... ,A
LD H,0
LD BC,(23606) ...25 years with the SpectrumTo paraphrase JFK, ask not what your Spectrum can do for you, but what you can do for your Spectrum. Well I've done quite a bit since I joined the sc…
... /> * Riptoff 2 (2000)
* SK Print (2000)
* Suggested Advanced Paint ... to Sinclair BASIC on codes 0-5
* Discovering the meaning ...[Announce] InPAWS 1 RC1InPAWS is a tool (compiler) to make interactive fiction for the ZX Spectrum, using the Gilsoft's Professional Adventure Writing System database struc…
... { D _: AT Loc_Bandstand SET 0 GOTO Loc_dark_cellar DESC; }
}[/CODE ... 1 DONE;
LOOK BAG: PRINT fillRatio MES " " PRESENT obj_Bag PREP ...A BASIC compiler projectHi, I started my own BASIC compiler for the ZX Spectrum (and Z80 machines) 3 months ago. It's still in ALPHA stage (when it is mature, I will write …
For the 1.0.8 I've finally ... :
INK {iN} (N = 0..7}
PAPER {pN} N ... = 0..7
FLASH {fN} N = 0..1
INVERSE ... = 0..1
So you can try this:
[CODE]PRINT ... "\{i7}\{p2}HELLO \:'\:'\ :"[/CODE]
Note 1.0.8 is ...A BASIC compiler projectHi, I started my own BASIC compiler for the ZX Spectrum (and Z80 machines) 3 months ago. It's still in ALPHA stage (when it is mature, I will write …
... =boriel;338286]For the 1.0.8 I've finally implemented ... allowed:
INK {iN} (N = 0..7}
PAPER {pN} N ... = 0..7
FLASH {fN} N = 0..1
INVERSE ... = 0..1
So you can try this:
[CODE]PRINT ...A BASIC compiler projectHi, I started my own BASIC compiler for the ZX Spectrum (and Z80 machines) 3 months ago. It's still in ALPHA stage (when it is mature, I will write …
... ]DIM UDG(7) as byte = {0, 1, 3, 7, 15, 31 ... , @UDG(0)
REM @x means "Address of x"
PRINT "\a ...2 commands in 1 lineHi all, this is my first post although I have visited the web site many times, and I find it great. English is not my mother tongue, so I will try to…
... ;340725]10 POKE 23620,3: PRINT 1000: PRINT 2000
It ... ideas?[/QUOTE]
POKE 23620,0 would reach the poke statement ... 23620,1 means the first print and so your line should ... />
10 POKE 23620,2: PRINT 1000: PRINT 2000
to ...2 commands in 1 lineHi all, this is my first post although I have visited the web site many times, and I find it great. English is not my mother tongue, so I will try to…
... ,10: POKE 23619,0: POKE 23620,5: PRINT 1000: PRINT 2000
0 OK, 10:4" but no ...Detecting Spectrum modelsIs there any sure-fire way a program can detect the model of machine it's running on (48K, +, 128, +2, +2A, +3, clones) even when running in the 48K …
... disk A is present. (PRINT PEEK 23398 will give ... machine and
PRINT PEEK 75 will give 110 ... original machine.
PRINT PEEK 23733 will give 127 ... else 255.
PRINT PEEK 23734 will give zero ... br />
If PRINT PEEK (0) gives 47 it's a ...Detecting Spectrum modelsIs there any sure-fire way a program can detect the model of machine it's running on (48K, +, 128, +2, +2A, +3, clones) even when running in the 48K …
PRINT PEEK 14446 gives 255 on ... Pentagon by paging in ROM 0 and checking if the menu ..."POPIE" Spectrum Game from 1984While trying out some old microdrive carts on my real Speccy I came across this game which I had written on the loading menu as "never released". It…
... if you issue a BORDER 0: PAPER 0 before LOAD"" it'll ... POKE to supress screen over print etc, it works but also ...Image to ZXSpec 1.0Hi, I've written a piece of software (still not finished) that outputs any kind of image onto a Spectrum having being converted on a PC. It takes a…
... here ***
10 for a=0 to 255
15 poke ... /> 30 for a=0 to 255
40 print 23760+a,peek ...Image to ZXSpec 1.0Hi, I've written a piece of software (still not finished) that outputs any kind of image onto a Spectrum having being converted on a PC. It takes a…
... here ***
10 for a=0 to 255
15 poke ... /> 30 for a=0 to 255
40 print 23760+a,peek ...Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... uinteger 23606,@Fontdata-256
Print "Test"
[/CODE]
... :
[CODE]10 PRINT PAPER 2; STR$ 0: REM Temporary ATTR not ... working with STR$
20 PRINT "A ... "+STR(0.5) : REM Should print "A0.5"[/CODE ...Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... =boriel;352439]
For example, PRINT routine in ZX BASIC is ... BOLD and ITALIC letters. So PRINT ITALIC 1; BOLD 1; .... shows ...
Level of Detail:
0=Only Program and Variables
1=like 0, but additionaly ASM Labels
Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... expressions like:
[code]
PRINT "0909"(3 TO 4) : REM ... Prints "09"
PRINT "CONSTANT"(2): REM Prints "O ...
Level of Detail:
0=Only Program and Variables
1=like 0, but additionaly ASM Labels
faster bitwise operators?well, sinclair basic lacks bitwise operators and I searched "basic forum" with keyword "bitwise" and only 3 thread came up. So the forum also lacks b…
... Scan (09876)
SaveLoc: defb 0,0,0,0,0; Place in memory to dump ... /> 20 IF PEEK 23316 THEN PRINT "Fire (0)";
30 IF PEEK ... 23317 THEN PRINT "Up (9)";
... PEEK 23320 THEN PRINT "Left (6)";
70 PRINT
80 ...
