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Rendering techniques in emulatorsI've been giving thought to the possibility of speeding up the rendering in Zero considering I've been putting it off long enough. My approach is c…
... understood it having only written double-buffering routines on an ST ... a frames time. In a double buffered scenario, you're stuck ... one. By inserting an intermediary buffer, you can get back to ... -
ZX GameDev tools consolidatedHello WoS! It's been a while, yet with a plenty of decent gamedev tools (including new ones!), is there a [i]single/pivot table[/i] or some datash…
... or not (such as Game Maker or something like that). Therefore ... code a whole custom 'Game Maker' of your own from scratch ... Spectrum (but isn't that double the work, in a sense ... -
ZX GameDev tools consolidatedHello WoS! It's been a while, yet with a plenty of decent gamedev tools (including new ones!), is there a [i]single/pivot table[/i] or some datash…
... or not (such as Game Maker or something like that). Therefore ... performance reasons.
"Game Maker" however is larger than just ... which means something like "Game Maker" can be a general tool ... 16x16 or 5 sprites with double width and your game logic ... -
z88dk terminalsto set up a terminal a bunch of numbers are needed: m4_zx_01_output_fzx(_window_1, 0x2330, 0, 0, 1, 14, 1, 19, 0, _ff_ao_Prefect, 14, 0, 14, 8, 1…
... = single, 1 = 1.5, 2 = double) ##
dnl## $20 = left margin ... (if you run out of buffer space to enter more text ... = single, 1 = 1.5, 2 = double)[/b]
Per description ... -
Bit of fun Part Two - CPU SwapFollowing on from [url="https://worldofspectrum.org/forums/discussion/56671/bit-of-fun-one-change-only/"]this topic[/url], I felt given the erm 'natu…
... don't support integer, or double precision variables like on the ... games that render to a buffer and copy to the screen ... -
im looking for other games like the muncher that use double height and width graphics with colouri havent come across this type of graphics mode on the spectrum before and would like to know if there are any other games that use it.
... it using a table to double the width of the sprites ... .png[/img]
and buffer, widht is 32 bytes while ... -
Space Invaders Emulator for the Spectrum 128/+2/+2A/+2B/+3My Space Invaders Emulator for the Spectrum 128/+2/+2A/+2B/+3 is now available for download from: [url="https://c.gmx.com/sizx@gmx.com/DVQXAXrLRl2d…
... /> The Pac-Man emulator uses double-buffered display writing to draw ... display to a separate back-buffer, and copy it to a ... -
Bit of fun - ToastRack , one change onlyAlthough there's an old "one change only" topic about, I was thinking about the toastyrack 128's earlier. Its actually the only Spectrum model I've n…
... without having to use a double keyboard membrane.
Further ... an inexpensive 74LS244 tri-state buffer to handle the keyboard input ... complex than a simple digital buffer. That leaves one free input ... -
CSSCGC 2021: 25th edition extravaganza![img]https://csscgc2021.files.wordpress.com/2020/12/yellow_programmer_960x600.png[/img] [url=https://www.rickdangerous.co.uk/csscgc2021/][b][size=…
... crash*[/i] And these have double-length reviews, or at least ... double-length articles describing each one ... code in the 48K printer buffer. The Sir Clive Edition is ... -
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…
... it to an off screen buffer and copy that to screen ... /> inc e
inc e ; double stride through data
inc ... /> ; point DE to the shift buffer
ld de, shiftdata_lbuff
; 16 byte buffer for drawing graphics which are ... -
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…
... it to an off screen buffer and copy that to ... /> ; point DE to the shift buffer
ld de, shiftdata_lbuff
; increment data pointer twice to double stride
inc e ; e ... + #17e0
; 16 byte buffer for drawing graphics which are ... -
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…
... it to an off screen buffer and copy that to ... /> ; point DE to the shift buffer
ld de, shiftdata_lbuff
; increment data pointer twice to double stride
inc e ; e ... + #17e0
; 16 byte buffer for drawing graphics which are ... -
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…
... it to an off screen buffer and copy that to ... /> ; point DE to the shift buffer
ld de, shiftdata_lbuff
; increment data pointer twice to double stride
inc e ; e ... + #17e0
; 16 byte buffer for drawing graphics which are ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... , e.g. "this is the double quote (\") character"
; \\ ... pointer to first char in buffer
; at exit:
; HL -> null terminated buffer
; skips spaces (maybe wants ... ; HL points to null terminated buffer
; all tokens split ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... ), a ; put it in the buffer
jr z, .nothingpressed
buffer pos to be set
; work out buffer insert address
ld hl ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... ), a ; put it in the buffer
jr z, .nothingpressed
buffer pos to be set
; work out buffer insert address
ld hl ... -
I just bought a second hand BBC MasterI have had the notion for a while to get myself a old Beeb - maybe a scrappy one and fix it up - recap its PSU or whatever. Well I gave in yesterday …
... certain country, only used in double insulated items). I have an ... ), you will need a frame buffer/converter/upscaler.
If ... -
I just bought a second hand BBC MasterI have had the notion for a while to get myself a old Beeb - maybe a scrappy one and fix it up - recap its PSU or whatever. Well I gave in yesterday …
... certain country, only used in double insulated items). I have an ... ), you will need a frame buffer/converter/upscaler.
If ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... br /> ; HL -> null terminated buffer
; skips spaces (maybe wants ... ; HL points to null terminated buffer
; all tokens split ... , e.g. "this is the double quote (\") character"
; \\ ... are ready to process input buffer
IF IBUFSIZE ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... ), a ; put it in the buffer
jr z, .nothingpressed
buffer pos to be set
; work out buffer insert address
ld hl ... are ready to process input buffer
IF IBUFSIZE Code length ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... ), a ; put it in the buffer
jr z, .nothingpressed
buffer pos to be set
; work out buffer insert address
ld hl ... are ready to process input buffer
IF IBUFSIZE Code length ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
...
; A = first character in buffer
; HL -> pointer to ...
; HL -> null terminated buffer
; skips spaces (maybe wants ... /> ld a, b ; put double quote back in A
double quote (\") character"
; \\ #5c ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
...
; A = first character in buffer
; HL -> pointer to ...
; HL -> null terminated buffer
; skips spaces (maybe wants ... /> ld a, b ; put double quote back in A
double quote (\") character"
; \\ #5c ...
