Difference between revisions of "Z80:DevTuesday"

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(2021 week 1, detect Z80N)
(2021 week 2, ULA attributes fade in/out)
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==== 2021 week 2 (Jan 12) ====
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Ped7g (based on Omega's code from VOID demo) - ULA attributes fade in/out (code-size focused):<br>
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[https://www.facebook.com/groups/SpectrumNextDev/permalink/1292610091117007/ facebook post]<br>
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[https://gist.github.com/ped7g/4bb94291ff379441494110f13825d956 source @github gists]
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==== 2021 week 1 (Jan 5) ====
 
==== 2021 week 1 (Jan 5) ====
  

Revision as of 16:18, 13 January 2021

2021 week 2 (Jan 12)

Ped7g (based on Omega's code from VOID demo) - ULA attributes fade in/out (code-size focused):
facebook post
source @github gists

2021 week 1 (Jan 5)

Ped7g (based on work and discussions of fellow Next devs) - detect Z80N CPU:
facebook post
source+NEX @github

2020 week 51 (Dec 15)

Busy/Baze/Zilog/Ped7g - decode 5-bit-letter bitstream in 19 bytes:
facebook post
source+NEX @github

2020 week 45 (Nov 3)

Ped7g - displaying all 512 colours which ZX Next could produce on screen:
facebook post
source+NEX @github

2020 week 44 (Oct 27)

Ped7g - assembly snippets: integer comparison and finding total number of video-lines:
facebook post
source @github

em00k - loadbmp various examples:
source @github

2020 week 42 (Oct 13)

Ped7g - v2 of using ZX128 shadow ULA screen and nextreg $69 for "double buffering":
v2 source @github gists - using also DMA and custom IM1 routine

2020 week 41 (Oct 6)

Matt Davies - simple game controls (reads "OPQA space" and MD1 joystick):
facebook post
source @gitlab snippets

Matt Davies - Z80N Bit Arrays:
facebook post
source @gitlab snippets

Ped7g - using ZX128 shadow ULA screen and nextreg $69 for "double buffering":
v1 source @github gists

2020 week 32 (Aug 4)

Ped7g - reading Atari "driving controller" on Kempston 2 port:
facebook post
source and NEX file @github

2020 week 22 (May 26)

Ped7g - palette fade-out effect in Layer2 320x256 mode (using linear interpolation with Bresenham algorithm):
facebook post
source @github

2020 week 19 (May 5)

Ped7g - big-picture scroll in Layer2 320x256 mode:
facebook post
source @github

2020 week 12 (Mar 17)

Matt Davies - DMA copy and fill:
facebook post
source @pastebin

2020 week 11 (Mar 10)

Matt Davies - A string compare routine:
facebook post
source @pastebin

2020 week 10 (Mar 3)

em0000k - Simple Tilemap Example:
facebook post
source @github

Ped7g - clamping HL value to -0x100..+0x100 (16b signed math):
source @gist.github

2020 week 8 (Feb 18)

Matt Davies - Some simple utilities:
facebook post
source @pastebin

em0000k - DMA samples player (one channel, different samples in succession):
forum post
source @pastebin

Chris Kirby - simple cooperative multitasking system for z80.
facebook post
source @pastebin

2020 week 7 (Feb 11)

Matt Davies - Memory page allocation:
facebook post
source @pastebin

David Saphier - DMA sample player:
facebook post
source @pastebin

Robin Verhagen-Guest - Multiframe Copper program:
facebook post
source @pastebin