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help with sprites from SevenUpHas anybody got source for a short m/c rountine that can send sprites designed in SevenUp to the screen or to a dummy screen? A long time ago, I wor…
... and I'll rip a routine out of one of my ... take your vertical coordinate and test the bits that determine which ... -
help with sprites from SevenUpHas anybody got source for a short m/c rountine that can send sprites designed in SevenUp to the screen or to a dummy screen? A long time ago, I wor…
... code for finding the vertical start address for a sprite in ... spanish) deals with finding the start address from the vertical and ... you may need is a routine to calculate the next scanline ... -
Announce: EmuZWin 2.4.1.0 with exact AY soundEmuZWin 2.4.1.0 with exact AY sound released today. In "exact sound" mode, should be very, very close to real sound. (My ears are sick, my head is sp…
... in another - may be for test purposes, may be just because ... model was selected incorrectly, and start this loop again. In my ... -
ANNOUNCE: Party Willy (Part 2, PW128)Today I release Part 2 of my new Jet Set Willy game, [I]Party Willy[/I] - so called because it's in several parts, most notably two 48K JSW parts, wh…
... first occurence of attribute X' routine is - I'm not an ... JSWtoMM. As soon as I start tinkering with the code rather ... -
Does Screen Flipping work on a 48k Spectrum?On the other post it showed some basic code to flip the screen on a +3. Does it work on a 48k Spectrum. Can anyone show me the machine code to: Se…
... /> [code]
LD HL,16384 'start screen
LD DE,49152 ... 'start backupscreen
LD BC,6912 ...
LD A,B 'test for end of screen
[/code]
The test
LD A,B
new programmer needs information hi , i have been learning c++ for a while and am trying to make games using windows but being 28 and nostalgic , i thought it would be fun try and f…
... /> ;routine to set up permanent screen colours
;
start .org 32000 ;start ...problems with MaskI have problems with Mask. I want to make a RZX of this one (one per stage) My problem is that the .TZX available on WOS do not load on Spectaculato…
... it, so I couldn't test it properly. :(
Sorry ... , so I think I'll start a thread on the old ...MC 101Hello Group Members: Can't spectrum MC be embedded in a BASIC program
... . You need to take the start of the BASIC program area ... in the machine code routine, then POKE the routine into the REM ... address is) will call the routine.
This method is ...The Speccy Games Programming CompetitionFor those who weren't following the OT thread... We have the CGC and we have the Minigames competitions, but we don't have an actual Spectrum Games …
... in WHAM! or simply mc routine it is a BASIC game ... MC game ?
if we start making diferencies we have to ... . ask people for fast MC routine (there is a development forum ...T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …
... pretty fast stack based copy routine:
LD SP, HL ... )
and then simply test of adress in HL by ...Coder`s with time....How many coders are there who can program anything? i.e. Commercial quality games, full blown applications, utilities etc.... who can do the lot? I…
... ... surely no kid) wanting to start making Spec clones (which is ... scratch - damn I'm good" routine. SAM Coupe WIMP running faster ...BASin CompilerAm I right in thinking that it isn't a fully-working one yet? Just a couple of obvious suggestions anyway... 1-Could you add an ORG command to the …
... yet. I did a quick test:
10 BORDER 1 ... version is done, I'll start looking at an integer compiler ...TZX in ROM...Is it possible to modify BASIC ROM to load TZX images from external memories like Flash EPROM? [ This Message was edited by: klingler on 2004-07-0…
... />
On the PC you start a serverprogram and then you ... TAP-file using the ROM-routine to load (like OUTRUN) run ...Available New Spectrum ClonesHow many new Spectrum clones are there today that you can purchase or build with good supported websites. I can only find these, are there any more…
... it's done i will start with a 128 with extra ... nice small project to start with and test ideas on.
Hardware section....Wonder why here is no specific hardware forum??? No one ever touched a soldering iron here? (o; I'm kinda lost here with my hardware stuff under: "…
I will start with that and test it. It should be better than the HF-video i hope ;)
If not, then i have to find large and cheap dual-port SRAMs.Z80 core testing ?OK, my z80 core is almost finished (apart from RRD, RLD, and block instructions except LDI,LDIR,LDD,LDDR). I run the 48K rom and hurray, it resets co…
... compile Fuse to use the test suite, only z80/coretest. Looking ... of tstates to run the test for.
Then followed ...Game loop design?Having some thoughts on how to design the game loop and could do with some hints and tips from folks who have done it before! It's all about how to …
... should have is an IM2 routine that contains your main game ... positions. At the start of the IM2 routine if a new screen ... should be prepared then that routine should be called (after reenabling ... first screen
enter IM2 routine
new screen to draw ...Program sizeI am typing a basic program into a ZX and I need to find out exactly how much memory it is using. Is there a way to calculate this? :confused:
... start of free memory from the machine stack.
An unused routine ... the start of free memory.
This was probably a debugging routine ... free memory further.
The routine allows a general overhead of ...Pixel setting / general speccy codingi just started doing some cross-coding with the [url="http://www.bigfatpanda.fsnet.co.uk/z80.html"]Z80 SNA assembler[/url] and an emulator, and this …
... obtaining the address of the start of a screen line is ... holds the y coord, the routine could be written as follows ... 64000, you can optimise the routine further, as follows:
need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... Then add on the start address of the data ... . Then call your sprite drawing routine.
If ... you want the sprite routine to be versatile and ... br /> In my own sprite routine, which is for 16x16 sprites ... Have a separate drawing routine for each line and ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... this case after all. Your routine relies on having worked out ... , Mid, End, so if you start at the end of the ... />
I worked on the routine last night and was able ... for anything else during the routine and remember to save it ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... case after all. Your routine relies on having worked out ... , End, so if you start at the end of the ... a copy of the whole routine, but with sprite mirroring ... /> I worked on the routine last night and was able ... anything else during the routine and remember to save ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... /> CALL DRAWSPR ;Call sprite drawing routine
RET
< ... />
* Routine to Generate a screen address ... /> * SCRTAB must be at the start of a 256 byte page ... first but begin at the start of the next
* ...Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... /> "Here is the finished sprite routine. As it stands it can ... =6192&forum=11&start=25&28"]http://www ... =6192&forum=11&start=25&28[/url]IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
... br /> Changed the PBlankChar routine to XOR A,LD ( ... br />
; **** START INTERRUPT ROUTINE ***
MainLoop:
... br />
; **** END INTERRUPT ROUTINE ***
MoveAndPrintSprite:
...Anyone know the address mappings...of the hardware resources on the speccy; From the screen display address range to all the hardware control registers. etc. Where can I get access t…
... speed optimisation, it contains a routine for doing sprites from unshifted ... coord of sprite we are test for
;collision with
PokesDoes anyone know where I can find a list of Pokes for my Speccy games? I am trying to find some for On the Bench ! Thanks
... game tells you to "[B]Start original tape[/B]" (i.e ... player has to stop and start the tape just so it ... it being a rather tedious routine), then when you have made ... future whenever you want to start a new game with the ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... good way for me to test just how well I know ... checking your core against a test suite. Fuse contains a moderately ... /> What do you mean by test suite? Where in Fuse do ... to be done at the start means I am much more ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... an emulator really as a test of my ability to understand ... that when you say to start with building the Z80 core ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... /> PC = 0
Start:
|
Fetch byte at ... |
Call Opcode_Handler
|
Test TStates = 69888
|(no) |(yes ... br /> |--------------
|
Back to start
Opcode_Handler:< ...
