Geoff Wearmouth
warmtoffee.bsky.social
Press plastic for a living but love the touch of rubber. Assembler of Gosh Wonderful and Looking Glass Spectrum ROMs and my Binary Logic ZX81 ROM bl81.rom Old ZX Spectrum Site - https://web.archive.org/web/20150602175320/http://www.wearmouth.demon.co.uk/
👤 Joined on 11 December 2024
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- 11 Ara 2024, 06:54
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iPhone Duo layout support added to the #ZX81 iOS/iPadOS app. apps.apple.com/gb/app/zx81/...
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Subtracting two floating-point numbers, say 8-7.5, takes a few steps. Floating-point numbers are stored as a power of 2 times a binary number. The numbers are shifted so the exponents align, and then subtracted in binary. To get rid of zeros at the front, the result is shifted (normalized).
Show PostApple allows developers to upload header and search image assets in recent days for our App Store app profiles. For the #ZX81 app I tried to achieve something similar to its original UK box design. It turned out with more of a Stranger Things vibe.
Show PostHere's the asset shown when a search result is shown
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New blog post - Loading programs into the Timex Sinclair TS1500 - blog.tynemouthsoftware.co.uk/2026/10/load... Some unexpected issues with tape loading, and yes, you can indeed use the Minstrel ZXpand II to load from SD card.
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