Difference between revisions of "Z80:DevTuesday"
(Matt's example of page allocation posted on discord with tiny modification) |
(2021 week 14, size-optimised setup of longer nextreg blocks) |
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| + | ==== 2021 week 14 (Apr 6) ==== | ||
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| + | Ped7g - size-optimised initialisation of longer nextreg-value pairs:<br> | ||
| + | [https://www.facebook.com/groups/SpectrumNextDev/permalink/1350742898637059/ facebook post (for comments/questions)]<br> | ||
| + | [https://gist.github.com/ped7g/b33111b1d91dc4441b8579831da507bc source @github gists] | ||
| + | |||
==== 2021 week 5 (Feb 2) ==== | ==== 2021 week 5 (Feb 2) ==== | ||
Revision as of 07:07, 8 April 2021
Contents
- 1 2021 week 14 (Apr 6)
- 2 2021 week 5 (Feb 2)
- 3 2021 week 2 (Jan 12)
- 4 2021 week 1 (Jan 5)
- 5 2020 week 51 (Dec 15)
- 6 2020 week 45 (Nov 3)
- 7 2020 week 44 (Oct 27)
- 8 2020 week 42 (Oct 13)
- 9 2020 week 41 (Oct 6)
- 10 2020 week 32 (Aug 4)
- 11 2020 week 22 (May 26)
- 12 2020 week 19 (May 5)
- 13 2020 week 12 (Mar 17)
- 14 2020 week 11 (Mar 10)
- 15 2020 week 10 (Mar 3)
- 16 2020 week 8 (Feb 18)
- 17 2020 week 7 (Feb 11)
2021 week 14 (Apr 6)
Ped7g - size-optimised initialisation of longer nextreg-value pairs:
facebook post (for comments/questions)
source @github gists
2021 week 5 (Feb 2)
Ped7g (based on Omega's code from VOID demo) - second version - ULA attributes fade in/out:
facebook post with video
source @github gists
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
"2021 variant" @gitlab
David Saphier - DMA sample player:
facebook post
source @pastebin
Robin Verhagen-Guest - Multiframe Copper program:
facebook post
source @pastebin