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File name: | MesaMu.log_Sep78.pdf [preview MesaMu.log Sep78] |
Size: | 166 kB |
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Mfg: | xerox |
Model: | MesaMu.log Sep78 🔎 |
Original: | MesaMu.log Sep78 🔎 |
Descr: | xerox mesa 4.0_1978 listing Mesa_4_Microcode MesaMu.log_Sep78.pdf |
Group: | Electronics > Other |
Uploaded: | 15-02-2020 |
User: | Anonymous |
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Decompress result: | OK | |
Extracted files: | 1 | |
File name MesaMu.log_Sep78.pdf MesaMu. 1og 2-Sep-78 17:21:54 Page 1 file: MesaMu.Log Mesa Microcode Log Add entries at front August I, 1978; version 34; Fix bugs in stack underflow detection in MDpop and Dpop dispatches. Fix BL **TC to remember even/odd alignment. [2 free words left] RL July 26, 1978; version 33; Correct constant at Jscale from 100000 to 77777. [3 free words left] RJ July 5, 1978; version 32; Fix signed comparison bytecodes to handle overflow correctly (Suzuki's algori **thm). Add BLTC bytecode. Eliminate 1 instruction each in nextXB logic and FetchAB. Eliminate 3 ins **tructions by combining JEQ and JNE logic. Miscellaneous corrections to comments and some predefs. [ **3 free words left] RL March 6, 1978; version 31b; Ensure DISP non-zero at KFCr. Add RFC. [3 free words left] RJ & RL March 2, 1978; version 31a; Entry conditions for all trap handlers changed: trap parameters now passed **in registers, and interrupts never disabled. AV, SD, GFT now bound to fixed addresses. RR and WR ch * |
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