Say WHAT!!!!! :)
On 10/16/26 2:22 PM, Gary Weber wrote:
image.png image.png On Fri, Oct 16, 2026 at 12:10 PM Gary Weber <[email protected]> wrote: > and you know what would make circles look amazing? The full-height screen of a Tandy 200. I really like this idea. I already have the baseline of SARDOS 1.60 for the T200, and integrating all of the BASIC commands, directory navigation + CIRCLE(), won't take much. Gary On Fri, Oct 16, 2026 at 9:45 AM Justin Poirier <[email protected]> wrote: Gary, This is incredible and begs one big question for me. CIRCLE is a huge win, and you know what would make circles look amazing? The full-height screen of a Tandy 200. Are there any plans for an update to the 200 ROM? As for the inner-workings of the CIRCLE command, on the Tandy Color Computer Extended BASIC, which added the CIRCLE command, it didn't actually draw a circle since calculating all of the sines and cosines would have taken way too many cycles. They preloaded an internal table with the geometry needed to make a (I think) 22-sided polygon and then just drew 22 connected lines. At the resolution of the CoCo, it was plenty circle-ish. How did you accomplish it? Thanks! --Justin On Fri, 2026-10-16 at 07:54 -0700, Joshua O'Keefe wrote:On Oct 15, 2026, at 11:45 PM, Gary Weber <[email protected]> wrote: *_TS-DOS 4.20 DOS-ON+_* SARDOS 1.80 SARDOS 1.80 is also available for the Model 100 and with every one of the new DOS-ON keywords. ...and one more thing. CIRCLE. Two ROMs. Two machines. Folders at the Ok prompt. Circles on the screen.Holy cow! Wow! Wow wow! How long have you been cooking this up? It's wonderful. Impressive to say the least. I think I can speak for the entire community and our descendants when I say: thank you. One question, though: how'd you pull it off?
