 No.19640
jkburks Tester
Jan 5, 2022, 22:14
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Photos of the Logitec version at Try Tower https://twitter.com/Shingi/status/764821058264367104 https://twitter.com/_QtQ_/status/764363484188413952 https://twitter.com/hokeihello/status/763618466616139777 http://collectedit.com/collectors/shou-time-213/arcade-pcbs-281/radical-radial-japan-by-nichibutsu-31250?image=2 I'm not sure what to make of the green lettering on this version. https://twitter.com/beep_akihabara/status/734320050744659968 Note how the rock obstacles in radradj are drawn compared to radrad. The US set properly masks the fill color, whereas the Japan set lets the color bleed out into the full tile. |
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 No.19641
system11 Senior Tester
Jan 5, 2022, 22:23
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The green lettering is them getting the video connector pinout wrong - look closely and they've got RBG on 123 instead of RGB. |
 No.22454
hap Developer
2 days ago
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DAC sound pitch is fixed here: https://github.com/mamedev/mame/commit/e441312d775cd66eb29a6690d2f2b4ceb273b6b8 The schematics say that Z80 and MCU clocks are from "EXTAL", but does not say which XTAL. At least it means it's not the 18.432 video XTAL. The green background on title logo is also fixed. The green road on the 1st level in that video, who knows, maybe a different color prom. |
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No.22457
hap Developer
1 day ago
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Nope I've read the schematics the wrong way around. CKP1(3.072MHz) goes to a latch, that goes to both Z80 and MCU clock input. And I see that MCU MR (Memory Ready) pin is active when MCU reads/writes from 8000-ffff (the shared rom/ram with maincpu). So this a better fix: https://github.com/mamedev/mame/commit/9aa8a793f977166396c5b51a3e413abb98e10eda |