-
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... open channel #4
ld a, 'Z'
rst $10 ; print ... /> call $1601 ; open channel #4
ld hl ... check string terminator
rst $10 ; print character
... -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... br /> call $1601 ; open channel #4
ld hl, ... ; check string terminator
rst $10 ; print character
inc ... />
Does opening channel 4 affect anything else in ... -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... /> [QUOTE=slenkar;707971]Does opening channel 4 affect anything else in ... />
Not really. An active channel doesn't do anything except ... accessing it (typically using [B]RST $10[/B]). -
Colour whilst PLOTing in MCI am using the ROM PLOT routine at $22E5, how do I control the colour of the results, so I can preferably use INK 8, it seems to have a mind of its o…
... 0 & 2 respectively (bits 1 & 3 are for the ... BEEP's suggestion of using RST $10 will also work.
inc b
ld a,1
ROTATE: rrca
djnz ... -
Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... digit counter
ld e,1 ;E =multiplication factor
... factor
Loop2: rla ; =1, 2 or 4
dec ... ,$0d ;A=ENTER
;rst $10
pop bc ;length of ... -
Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... ][/size]
[size=+1][b]6.7[/b][/size ... ff
ld de,BIN2040+1
ld bc,(BYTsize)< ... 3 bits at a time (1 octal digit) ...
xor ... br /> add a,48
rst $10
inc bc
ret ... -
Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... 4.2 seconds (saves approx. 1/5th second).[/QUOTE]
< ... 30 = range $30-$39
rst $10 ;A =????
inc bc ; ... range $30-$39
BCD2AR2:rst $10 ;A =????
inc bc ;count ... -
Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
... />
push hl
rst $10 ; forgive me, I'm a ... /z80/asm_snprintf.asm?revision=1.1&view=markup"]asm_snprintf[/ ... /z80/asm_vsnprintf.asm?revision=1.2&view=markup"] ... /z80/asm_vfprintf.asm?revision=1.1&view=markup"]asm_vfprintf_unlocked[/ ... -
Frontend for the +3e projectHi, I have recently finished building the 8-bit simple interface and installed the +3e ROMs into my spectrum +2A (Back model) and it is working fine …
... :
[code] 10 DATA "1","Rainbow Islands 128K","rainbow.z80 ... /> 1025 PRINT #5;AT 1,22;"MENU"
1030 READ ... br /> 1050 LET np=np+1: GO TO 1030
... /> 1070 PRINT #0;AT 1,0;"CHOOSE GAME TO LOAD ... so any text printed to channel #5 is written using a ... -
Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.
... how ROM printing routine (RST 16 or RST $10) works, due to the ... mind when dealing with stream, channel and all the attributes and ... -
Simple text scrolling routine...I'm having trouble writing a very simple text scroller, the idea is to use the ROM printer routine to print 32 characters each time the routine is ca…
... br /> Run with "PRINT AT 1,4;"" AND USR 50000: PAUSE ... Loop: ld a,(de)
rst $10 ;print next character
inc ... ..
ld hl,dat2+1
ld de,dat2< ... /> ld bc,datz-dat2-1
ldir ;rotate the ... -
Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…
... settings
DEFB 1,30 ; channel 1, note pitch coarse
DEFB ... 3,10 ; channel 2, note pitch coarse
DEFB 8,16 ; channel 1 ... 13,10 ; envelope shape, 10
pulseoffdata
DEFB 8,0 ; channel 1 ... -
SPIN AssemberHi, I'm in the early stages of learning assembler, and am now looking at some tutorials from Toni Baker in ZX Computing: [url]http://wos.meulie.net…
... /> LOOP:
ld A,"*"
rst $10
jr LOOP[/QUOTE]
RST 10h I've always done ... /> [CODE]ld a,2 (or 1 for the lower screen)
Double height text...<p>Is here any good routines for printing a font double height?</p><p>I've concocted this ridiculous routine but I'm sure it can be done much better.…
... display directly instead of using RST $10.
* Simplify the SmallINT check ...
dec (ix+6) ;bytes-1 = bytes left to print
Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…
... were single characters printed via RST $10 (as jonathan's guide ... PRINT AT handling for the RST $10 calls dealt with printing ... to the use of the RST $10 call, ie we set ... eg byte 1 of sprite cell 1, then byte 1 of sprite ... byte 2 or sprite cell 1, then byte 2 of ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... For 48K Spectrums "a 2.1 Discovery Rom is the standard ... following additions:-
1 Compatibility with the128k Spectrum
4 D Channel
5 T Channel
6 Parallel ... /> To enter 128k mode ;- 10 DATA 1,253,127,175,243,237 ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... 128K mode:-
10 DATA 1,253,127,175,243, ... />
------------------------------------------------------------------------------------------------------------------------------------------------
4) D channel.
When using the command ...ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…
...
Ld a,(hl)
Rst #10
Inc hl
Jr ... /> Text:
Defb 22,10,10,18,1,16,4,17,3
ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…
... br /> Ret z
Rst #10
Inc hl
Defb 22,10,10,18,1,16,4,17,3< ... :
Defb 22,10,10,18,1,16,4,17,3< ... /> ...
Loop:
Rst #10
Inc hl
Start ... :
Defb 22,10,10,18,1,16,4,17,3 ...Scart Leads for spectrumHi, I was going through my stuff the other day and found I have all the bits for making spectrum scart leads. I was going to ebay them but thought …
... when you first select the channel, so I end up flicking ... up and down a channel to re-adjust tuning every ... both models.
10 BEEP 1,1
20 PLAY "&cdefgabC ... we get the BEEP channel, one PLAY channel and all three PLAY ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... marker
;Does NOT use RST $10
;address COL ... ROW holds row (at COL+1)
START: ... /> jr c,OK
rst 8
defb 4 ; ...
ldir ;FLASH 1, BRIGHT 1, PAPER 5, INK 2 ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... marker
;Does NOT use RST $10
;address COL ... ROW holds row (at COL+1)
START: ... /> jr c,OK
rst 8
defb 4 ; ...
ldir ;FLASH 1, BRIGHT 1, PAPER 5, INK 2 ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... marker
;Does NOT use RST $10
;address ... ROW holds row (at COL+1)
START:
rst 8
defb 4 ; ...
ldir ;FLASH 1, BRIGHT 1, PAPER 5, INK 2 ...Best compiled Basic game ?I was thinking about this before I posted the topic about Melbourne House's excellent Penetrator scrolly but held off, however a kind [url="https://w…
... /> L9C54: LD A,$10
RST 10h
LD HL ... /> RST 10h
CALL _proc_PRINT ; PRINT AT 10,10; FLASH 1;"SELECT ... 0
LD A,$10
RST 10h
LD ...Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…
... transfer 1 Mb/sec.
Polygon support ( line drawing ).
10 Channel sampled ...Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…
... 1 Mb/sec.
>Polygon support ( line drawing ).
>10 Channel ...Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…
... 1 Mb/sec.
>Polygon support ( line drawing ).
>10 Channel ... %2Fkbd_signaling_pcxt.png&f=1&nofb=1[/img]
AT ... .uzslfhziH45pwMqYjG6gAAHaCL%26pid%3DApi&f=1[/img]
I recall ...Quiz 14(ish)- Giddy up horsey.. whooo! Ok, 10 quick fire questions.. Some cryptic - you`ll have to unravel the clues to get the game name, Some are description of the game. Others are in…
... /publisher of these products.
(1 point)
7: Who wrote FairLight?
(1 point)
... game.
(1 point)
10: The nasties... Skeleton ... br /> (1 point)
10 from 1.. not bad ...Speccy Tour 20033rd Tournament with playback feature is near... Ivan and Kak (Jordi) are working on new Tour's web site... as previous events, we'll play 10 games …
... previous events, we'll play 10 games (decathlon like leaderboard) chosen ... year we'll have 10 genres (1 game from each be played ...What hardware Sinclair and not related has everybody got?Just had to try to list all my clutter in the attic and my dads garage (this has got a bit out of hand), anybody else got as much Retro as this (boug…
... about 50 carts)
1*Atari2600
1*Colecovision (unboxed with around ... 20 carts)
1*Intellivision (with around 10 ... carts)
1*Grandstand pong/squash ...
