Service Manuals, User Guides, Schematic Diagrams or docs for : xerox mesa 4.0_1978 listing Mesa_4_Microcode MesaMu.log_Sep78

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.



Image preview - the first page of the document



>> Download MesaMu.log_Sep78 documenatation <<

Text preview - extract from the document

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
*

◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo