xxl Posted April 20, 2020 Author Share Posted April 20, 2020 and done. minichess.atr Quote Link to comment Share on other sites More sharing options...
Faicuai Posted April 20, 2020 Share Posted April 20, 2020 53 minutes ago, xxl said: and done. minichess.atr 90.02 kB · 5 downloads Any chance to add a toggle menu-option for enabling or disabling Antic DMA when computing-stage kicks-in? More than a bell-or-whistle, that alone is a 30%-40% reduction of execution time. Quote Link to comment Share on other sites More sharing options...
_The Doctor__ Posted April 21, 2020 Share Posted April 21, 2020 would a shortened display list add to computing power? 1 Quote Link to comment Share on other sites More sharing options...
Faicuai Posted April 21, 2020 Share Posted April 21, 2020 (edited) 1 hour ago, _The Doctor__ said: would a shortened display list add to computing power? Yes, sir! A perfect example of this is System Information 2.24, when running tests with DMA=OFF set. About 95%+ of net-available CPU is usable for tests, while displaying a narrow, one-liner strip of text indicating progress. Mini-chess could do the exact same thing, with a global option / toggle for it, when doing its heavy-lifting. Edited April 21, 2020 by Faicuai Quote Link to comment Share on other sites More sharing options...
StickJock Posted April 21, 2020 Share Posted April 21, 2020 You could also speed it up a little by using a narrow playfield as there would be less screen RAM DMA stealing cycles. Quote Link to comment Share on other sites More sharing options...
Mrarkus Posted February 5, 2021 Share Posted February 5, 2021 On 4/20/2020 at 11:57 AM, Faicuai said: Well, certainly among the finest forensics I have seen in a while, without ever forgetting the rabbits that keep coming out (endlessly) of Phaeron's hat! ? At my current available time (and debugging-know how in Altirra), it could easily take me 24-48 hrs. to nail this down (so KUDOS to you!) There seems to be a redundant / not-needed LDX @ [$CBDF: $A6 $57], as it is immediately replaced by LDX @ [$CBE4: $AE $F0 $02]. Not sure about the following LDA @ $CBE1, assuming that the idea is to also return the expected value on Accum. (?) I have actually evaluated E: performance on all versions, and here are the results (System Information 2.24, DMA=OFF for code-only throughput): 1. Rev03 Modified (missing carry-flag state): 609 2. Rev03 Modified (p1: SEC/RTS pair added): 604 3. Rev03 Modified (p2: LDA, CMP, LDX, LDA): 588 I also ran tests on two patched versions (p1 and p2) and I could not see any differences on the only (other) troubled title I've found so far, which is CopyMate 3.8, except being p1 faster. So I will stay with p1, which seems right on the mark, and also seems to display teeny-weeny-chess correctly (unless another issue comes up somewhere else, but I doubt it). For those testing these OS loads, consider the following OS-resident 1200XL (dormant) code recovered for XL/XE use (had been already included in these OS-loads, before accel-E: corrections): 1. CTRL + {Inverse/Atari} = ANTIC OFF (any other key afterwards turns it back on) 2. SHFT + {Inverse/Atari} = Key audio-feedback ON/OFF 3. CTRL + SHFT+ Caps = International Character Set on/off (you can try it and see what happens with MiniChess board) 4. CTRL + SHFT + Delete = Keyboard input ENABLE/DISABLE 5. CTRL + SHFT + Inverse = HELP key (Incognito ONLY) (EDIT): Here are the builds, for Ultimate and Incognito, per Doc's suggestion (accel-E: change only adds $38 instruction @ CBE7): AtariOS-800XLXE-Rev03-ULT1M-F1_F4-FP-E-p1.rom 16 kB · 10 downloads Any reason not to take this ROM, patch it with Hias 1.3 SIO code, and burn to an EPROM for a 130XE from a general compatibility perspective? Will be used with #Fujinet mostly... Quote Link to comment Share on other sites More sharing options...
Faicuai Posted February 5, 2021 Share Posted February 5, 2021 2 hours ago, Mrarkus said: Any reason not to take this ROM, patch it with Hias 1.3 SIO code, and burn to an EPROM for a 130XE from a general compatibility perspective? Will be used with #Fujinet mostly... Forgot mentioning that Self-Test ext. RAM bank-selection has been corrected, so ext. ram is now tested correctly! Code-base integrity of those loads has been the priority. All of the original OS features remain intact, essentially. As such, they are meant to be used in a PBI-rich environment, such as U1MB and Incognito BIOS, where high-speed acceleration is provided by means of external PBI-driver. You can patch-these for your own use by embedding SIO high-speed code, and make sure you test them well. With or without that, these OS-loads are highly recommended to any XL/XE end-user. 1 Quote Link to comment Share on other sites More sharing options...
Mrarkus Posted February 5, 2021 Share Posted February 5, 2021 3 hours ago, Faicuai said: Forgot mentioning that Self-Test ext. RAM bank-selection has been corrected, so ext. ram is now tested correctly! Code-base integrity of those loads has been the priority. All of the original OS features remain intact, essentially. As such, they are meant to be used in a PBI-rich environment, such as U1MB and Incognito BIOS, where high-speed acceleration is provided by means of external PBI-driver. You can patch-these for your own use by embedding SIO high-speed code, and make sure you test them well. With or without that, these OS-loads are highly recommended to any XL/XE end-user. Thanks, just wanted to make sure I'm not missing something. Patched, ROM installed, and working great as of this morning! My kid has expressed interest in learning programming, so what a better way than his own 130XE 1 Quote Link to comment Share on other sites More sharing options...
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