Difference between revisions of "Z80:DevTuesday"
(adding double-buffered ULA drawing example) |
(week 42 with v2 of ULA flipping...) |
||
| Line 1: | Line 1: | ||
| + | ==== 2020 week 42 (Oct 13) ==== | ||
| + | |||
| + | Ped7g - v2 of using ZX128 shadow ULA screen and nextreg $69 for "double buffering":<br> | ||
| + | [https://gist.github.com/ped7g/59e7b3941177444ffb48ac974f3e8ba6 v2 source @github gists] - using also DMA and custom IM1 routine | ||
| + | |||
==== 2020 week 41 (Oct 6) ==== | ==== 2020 week 41 (Oct 6) ==== | ||
| Line 10: | Line 15: | ||
Ped7g - using ZX128 shadow ULA screen and nextreg $69 for "double buffering":<br> | Ped7g - using ZX128 shadow ULA screen and nextreg $69 for "double buffering":<br> | ||
| − | [https://gist.github.com/ped7g/80fd30f8c731b9f52b3952033a6a8564 source @github gists] | + | [https://gist.github.com/ped7g/80fd30f8c731b9f52b3952033a6a8564 v1 source @github gists] |
==== 2020 week 32 (Aug 4) ==== | ==== 2020 week 32 (Aug 4) ==== | ||
Revision as of 23:03, 12 October 2020
Contents
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