-
Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…
... to explore the timing of screen switching. The new test ... there are interested owners of real 128/gray +2 ... strip appears at the left-top screen corner (press the ... be performed for each of the four preselected ports ... includes the 14th bit of the address, so the ... -
Z80onDSK now compatible with +3e with ZXMMC or similarJust updated my utility to work on Spectrums equipped with +3e ROMs and IDE storage. I've tested this with ZXMMC at the moment but don't think there …
... /> ║ -q: quiet mode, turn off all text output (other than ... )
║ 1: @16384 (top left of screen pixel area)
║ 2: @22511 ... ; 2 are stored, paging off & Amstrad ROM in ... 0 & 2 stored, paging off &
║ original Sincliar ... -
ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... the Dell monitor had a screen size of 14.5ins * 13ins but ... it moved centre to the left of screen too much The Dell is ... not in fact, as badly "off-centre" as the Samsung which ... displays differently and have different screen "centreing abilities" when used ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... options]
-s screen.scr add an alternate loading ... @ top left of screen pixel area
-b2 @ bottom right of screen pixel area ... br /> [b]Alternate Loading Screen (-s screen.scr)[/b]
As ... it with another compressed screen with the original ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... -q: quiet mode, turn off all text output (other than ... br /> 1: @16384 (top left of screen pixel area)
2: @ ... 22511 (bottom right of screen pixel area)
3: ... run code located top left of screen pixel area
... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... screen to page/bank 5 (0x4000 to 0x5aff)
15) Turn off ... 3DOS (close file, turn off motor & ... )
1: @16384 (top left of screen pixel area)
2: @22511 ... AY chip & paging off.
Useful for 128k ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... but with bank switching off which improves compatibility a lot ... ║ -q: quiet mode, turn off all text output (other than ... br /> ║ 1: @16384 (top left of screen pixel area)
║ 2: @22511 ... 0 & 2 stored, paging off &
║ original ... -
Z80onDSK now compatible with +3e with ZXMMC or similarJust updated my utility to work on Spectrums equipped with +3e ROMs and IDE storage. I've tested this with ZXMMC at the moment but don't think there …
... /> ║ -q: quiet mode, turn off all text output (other than ... )
║ 1: @16384 (top left of screen pixel area)
║ 2: @22511 ... ; 2 are stored, paging off & Amstrad ROM in ... 0 & 2 stored, paging off &
║ original Sincliar ... -
Fuse Emulator & Manic MinerHi All I am trying to run Manic Miner on two different Spectrum emulators on my Mac. Thing is when I load the game in Miner Willy just keeps jumpi…
... down at his starting point left of screen, and does not respond to ... -
Looking for an old game, Can you help??Hi. I am looking for an old game that I used to play on the spectrum yearsss ago, trouble is I dont even remember the name of it. So Im hoping if I d…
... dont even remember the name of it. So Im hoping if ... , you started at the bottom left of screen and had to run, right ... , up, left, up, right, up, etc etc ... up and down the middle of screen that killed you if you ... -
Help needed preserving Kobrahsoft SP7 cassette.Hello I need some help tzx'ing Kobrasoft SP7 Cassette. This is an MIA. So far, I've sampled a VOC of the original cassette using Cool Edit 2000, at…
... , I've sampled a VOC of the original cassette using Cool ... URL, click 'download' on top left of screen). -
The Long Earth (possible JSW mod/hack)I've been reading Terry Pratchett and Stephen Baxter's [I]The Long Earth[/I] series of novels recently - the idea behind it is there are an unknown (…
... point on the screen to the next earth (screen) along.
left/right/jump. So if you start on Screen 30 ... down would flip you to screen 29.
The ... into play (exit right of screen 30, enter left of screen 15)
It ... -
Forum software needs some TLC as some functions are inoperable… :-(Calling Lee Fogarty. Lee Fogarty to the front desk please. Urgent, customer waiting… (1) strange error message at the top left of screen when with…
... error message at the top left of screen when within a topic: Query ... /> (4) Putting a @ in front of Lee Fogarty links to another ... -
Sir Fred helpAnyone know how to kill guard with the sword? I always get killed during a swordfight, I know that you have to use the sword to get past these guys.…
... get by that bloke at left of screen on your snap, so a ... had two different version lately of it, and only about 8 ... -
Fuse Emulator & Manic MinerHi All I am trying to run Manic Miner on two different Spectrum emulators on my Mac. Thing is when I load the game in Miner Willy just keeps jumpi…
... down at his starting point left of screen, and does not respond to ... /> Start game
Can move left and right and jump normally -
How many players can you cram simultaneous on a speccyYou know how they have those..how many people can you cram in a mini or a phone box things on guiness book of records. Well say someone wrote a game…
... a pixel line traveling from left of screen to right, and if your ... . You also have things on screen to collide with (usually printed ... wall at the very right of screen that you have to get ... -
How many players can you cram simultaneous on a speccyYou know how they have those..how many people can you cram in a mini or a phone box things on guiness book of records. Well say someone wrote a game…
... a pixel line traveling from left of screen to right, and if your ... . You also have things on screen to collide with (usually printed ... wall at the very right of screen that you have to get ... -
QL and gamesWell,I am bit off topic but I cannot understand why the QL had no arcade games made for it and if it had, would they be vastly technically superior t…
... 50 to 60Hz, screen can be switched off (kind of screen saver with side ... : [URL]http://omega.webnode.com/screen/ql-dithvide/[/URL]
[IMG ... -
How many players can you cram simultaneous on a speccyYou know how they have those..how many people can you cram in a mini or a phone box things on guiness book of records. Well say someone wrote a game…
... a pixel line traveling from left of screen to right, and if your ... . You also have things on screen to collide with (usually printed ... wall at the very right of screen that you have to get ... -
divide plus back to life , preorderI have green light form authors to made DIVIDE PLUS, anybody interested? Promise from me , fully asembled and tested DIVIDE PLUS in plastic case. Qua…
... of screen.
3) Left of screen, their are grey boxes on the far left of ... />
4) Enter 'User ID' of member (their sellers name) and ... the ebay item number of the item you purchased from ... -
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…
... want to ignore the use of Attributes but I thought it ... a,(nnnn) at the start of the print_attribute routine
;instead ... exit if off bottom of screen
push bc
;save off Y and ... -
Is there a limit to the numberof variables you can have in BASIC..... Reason I ask is I've got an idea....but using my "lowest common denominator" approach to code I fear that I'…
... give you the top left attribute on the screen in a, which ... 0 to 31, 0 being left of screen, and 31 being right side ... to 23, 0 being top of screen and 23 being bottom side ... flash would return a value of 56, which is 7*8 ... -
Is there a limit to the numberof variables you can have in BASIC..... Reason I ask is I've got an idea....but using my "lowest common denominator" approach to code I fear that I'…
... give you the top left attribute on the screen in a, which ... 0 to 31, 0 being left of screen, and 31 being right side ... to 23, 0 being top of screen and 23 being bottom side ... flash would return a value of 56, which is 7*8 ... -
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 …
... , busy releasing an android version of i3, last minute rush, to ... an invisible button on top left of screen ;) as it goes live today ... -
Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…
... that will print a screen of 2x2 tiles. It basically ... (tile_x),bc ; start at top left of screen
check_tile:
... call print_tile ; 1st quarter of tile
ld bc,(tile_x ... /> call print_tile ; 4th quarter of tile
inc ... -
Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…
... (tile_x),bc ; start at top left of screen
check_tile:
of tile
ld bc,(tile_x ... call print_tile ; 2nd quarter of tile
ld bc,( ... /> call print_tile ; 4th quarter of tile
inc ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... You mean line 24 (one off edge of screen) not 22 though...
of the zero flag. You may ... use cp instruction. Most of the time because I know ... to pass the length of the string (either put ... or OR the last byte of the string with 128 ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... You mean line 24 (one off edge of screen) not 22 though...
of the zero flag. (May need ... use cp instruction. Most of the time because I ... to pass the length of the string (either put ... or OR the last byte of the string with 128 ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... /> jp nz, .stuffisOK
; off bottom of screen
ret ; may need to ... ; return if we reached bottom of screen
.stuffisOK djnz .loop -
Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…
...
; look up screen address from the table
off rhs of screen
ret z ...
; look up screen address from the table
; look up screen address from the table
; look up screen address from the table
