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Gloop TroopsI've just tried to play Gloop Troops. cant access the options as it goes straight to screen too quickly. Anyone havin trouble with it ? I'm usin Z…
... ;439546]I've just tried to play Gloop Troops. cant access ... options as it goes straight to screen too quickly.
Anyone ... -
Gloop TroopsI've just tried to play Gloop Troops. cant access the options as it goes straight to screen too quickly. Anyone havin trouble with it ? I'm usin Z…
... ;439546]I've just tried to play Gloop Troops. cant access ... options as it goes straight to screen too quickly.
Anyone ... Speccy - but this bug seems to happen either with emulation or ... -
DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... timings of the converter to match up with that ... it would never know when to skip over the 'signature ... my eventual plan is to build a version which ... uses the ESXDOS API to locate the file, eliminating ... contention is when writing to screen memory, and there's ... -
+3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…
... ]and how is the sintaxis to do this ?
to not have to repaint the whole ... br /> By default you write to screen (channel 0 or 2).
Writing to a printer is done ... Other channels can be used to handle filetransfer.
ToadrunnerDid anybody finish this game? I would like to map it, but I would need some concrete tips how to use objects, respective which object can kill druid,…
... dragon), down, right, right (to screen with huge bird)
< ... br /> move right, right, right (to screen with yellow dragon)
to screen with huge bird)
< ... dragon), down, right, right (to screen with huge bird)
...'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…
... /> [CODE]; A routine to print a text string to screen memory.
; The ... string to be written ... bytes of the character bitmap to the screen.
; I ... from one third-of-the-screen to the next.
...Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... that actually seems to write to the screen. It all seems to chase in ... background tile is blitted straight to the screen, etc.
If ... pixel buffer is copied to screen. The copying to screen happens at line 263 ...Golden axeNot colorful,but not bad port either,theres even more on screen characters than the c64 version,even the ending retains the arcade original.
... sprites.. the speccy writes straight to screen.. each character on c64 was ... of rage / bare knuckle due to the music.
it ...Golden axeNot colorful,but not bad port either,theres even more on screen characters than the c64 version,even the ending retains the arcade original.
... screen at one time?! Typical con of the day to get people to ... sprites.. the speccy writes straight to screen.. each character on c64 was ... ]
Mark Kelly tried to get more than one enemy ...Pubs that are now ClosedHas anyone's local closed down? The Wych Way Inn (my local) closed down last year, apparently either over a row over CCTV or it wasn't running a pro…
... , he just couldn't afford to keep the place running. He ... paying ?600 a month just to screen Sky Sports.
Of ... it wasn't all down to Sky why he sold up ...Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... poke the hex values in to RAM via the HEXLD ... HL,16384d ; Start address of screen 210040
LD A, ... LD (HL),A ; POKE bit to screen 77
INC HL ; ... ,2048d ; Load 2048 in to DE 110008
ADD ... 20E5
RET ; Return to BASIC C9[/SIZE][/FONT]
Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... the hex values in to RAM via the HEXLD ... HL,16384d ; Start address of screen 210040
LD A, ... LD (HL),A ; POKE bit to screen 77
INC HL ; ... 20E5
RET ; Return to BASIC C9
[/CODE]
to LOOP label but you have ...Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... HL,16384d ; Start address of screen 210040
LD A, ... LD (HL),A ; POKE bit to screen 77
INC HL ; ... Add 1 to address 23
DEC D ... ,2048d ; Load 2048 in to DE 110008
ADD ... 20E1
RET ; Return to BASIC C9[/SIZE][/FONT]
Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... ; Start address of screen 210040
LD ... HL),A ; POKE bit to screen 77
INC HL ... HL,DE ; ADD DE to HL 19 ****** THIS ... moving to next third of screen you have to add ... value (2048-256).
and you have to ...Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
... [b]pop[/b], but have to give much of it back ... forgot contetion (and you copy to screen memory very often). having contetion ...Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
... part of the cycle, switch to stack when it kicks in ... , and back to LDI afterwards. Has anyone ever ... ) find the quickest copy is to POP from uncontended memory during ... 256 pixels of one screen line), then PUSH to screen memory during the ...Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... I finally got the program to run properly! :o
screen 210040
120 LD ... (HL),A ; POKE bit to screen 77
170 INC ... br /> 360 RET ; Return to BASIC C9[/CODE]
< ... It is very quick compared to the BASIC program:
...New RZX Block Type Suggestion -- AnnotationWho is maintaining the RZX specification at the moment? I'd like to ask for the feasability of the following request. Annotations embedded within th…
... are positioned on the screen according to given Anchor Point and ... will make it fit to the screen width. In case the ... fixed step or doubled), clamped to screen width, and the entire ... desired width is already equal to screen width, the process shall report ...Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... br />
Well I have to be honest here and say ... actually POKEs the data in to screen memory to create the double height ... br /> 260 FOR a=1 TO LEN (p$)
270 ... LET sa=sa+512: GO TO 410
400 POKE ... for those people who want to use only BASIC.
< ...updated Fatware - keyboard patchHi! I work with Fatware code and already prepare keyboard patch for original version 0.12. Now it's possible to operate disk browser with keys: 1) c…
... FATWARE can be used also screen version of DEVASTACE (LDIR ... divide ram page 1 to adress 16384 and start ... file, but only load DEVASTACE to screen and run it - no ... 0-255 = write this value to actual adress
SS+3 ... br /> CS+1 = exit to main menu (in any time ...How do you work with fonts on speccy?just curious really.. I know c64 workings, and obv. the spec you draw direct to screen.. on 64 , you'd make what would be equivalent to UDG.. and sa…
... and change this variable to point to them, you can enjooy ... 8x8 pixels letters.
To have bigger letters you must ... switch to assembler.
Spectrum ... displaying graphics - copy its data to screen memory.
So ...ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…
... [I]appears [/I]to have a Character based screen. When you Issue ... left corner of the screen (which is equivalent to PRINT AT 0 ... /> ld (hl),a ;write byte to screen
inc de ;get next ...SAM programmingHi Can anyone provide any example hello world or graphics/sprite printing style machine code routines for the SAM? I can't seem to find anything rem…
... is best switch SAM COUPE to ZX mode (zx emulator) with ... via OUT commands. Also access to screen data is very easy from ... [/url]
load this utility to your SAM and set in ... ZX rom and switch SAM to ZX mode - ideal for testing ...SAM programmingHi Can anyone provide any example hello world or graphics/sprite printing style machine code routines for the SAM? I can't seem to find anything rem…
... is best switch SAM COUPE to ZX mode (zx emulator) with ... via OUT commands. Also access to screen data is very easy from ... , but it seems a shame to use the Spectrum ROM and ... paging, setting only the display to point at currently paged memory ...Sprite RoutineI was wondering if anyone could point me in the direction of a really basic example of a per-pixel sprite routine? Preferably commented. The screen …
... ; DE -graphics source, HL- screen position ,B-number of horizontal ... LD (HL),A ;copy the to screen
INC DE ;next ... as screen address
INC H ;go to new ... /> RET C;going to new screen segment, if e.g ... we are in the same screen segment
RET
How to Write ZX Spectrum Games As some of you may know, it has long been my intention to produce a document which explains pretty much everything I have learned - and am still lea…
... Applying what We Have Learned to Our Game
to Screen Addresses
Using a Screen Address Look- ... up Table
Calculating Screen Addresses
Shifting
Creating a Screen Buffer
Scrolling the ...Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …
... Baker had very good reasons to say to never use IM instruction ... interrupt is the beginning of screen refreshment. It happens 50 times ... data from memory are copied to screen.
HALT is a ... or moving things. It allows to avoid the screen flicker.Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…
...
; Very simple clear screen routine to set PAPER 0 / INK 7 ... /> ld d,0 ; Value to write to screen
scr ld ... d ; Write 0 to screen
inc hl ; Next screen location
< ... ld (hl),a ; Store back to screen
inc l ; Only need ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... />
; Prints characters directly to screen bypassing ROM calls
; WARNINGS ... of screen
;
; On entry, A=character to print< ... ; Store in screen
INC HL ; Step to next character line ... H,A ; Step to next 1/3 of screen
SAVEP ...
