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Last visit was: Tue Jul 01, 2025 11:20 pm
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It is currently Tue Jul 01, 2025 11:20 pm
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oldben
Joined: Mon Oct 07, 2019 2:41 am
Posts: 801
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Added a few more features for a stack (algol) architecture.
LDP push AC and loadAC. A microcode hack that sets a psh flag,pushes ac,then clears flag for a normal load.
STI store indirect.SWT swap top of stack is planned.
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| Fri Jun 20, 2025 6:39 am |
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oldben
Joined: Mon Oct 07, 2019 2:41 am
Posts: 801
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Added two indexing operations, ATX (Add 2 * index),AFX (Add 4 * index) to simply array indexing.
I needed to make a hardware mod for this. Now PIP-69, as it has instruction set for what a one pass Algol Compiler
might need. Lea and Display operations are too complex to include.
Ben.
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| Tue Jun 24, 2025 10:18 am |
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oldben
Joined: Mon Oct 07, 2019 2:41 am
Posts: 801
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Replaced STI with NOP, and SWT with SWP.
Renamed PIP69 to PIP73.
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| Fri Jun 27, 2025 7:08 pm |
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