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// $Id: Rw11CntlPC11.cpp 515 2013-05-04 17:28:59Z mueller $
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//
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// Copyright 2013- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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//
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// This program is free software; you may redistribute and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 2, or at your option any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for complete details.
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//
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// Revision History:
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// Date Rev Version Comment
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// 2013-05-03 515 1.0 Initial version
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// ---------------------------------------------------------------------------
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/*!
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\file
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\version $Id: Rw11CntlPC11.cpp 515 2013-05-04 17:28:59Z mueller $
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\brief Implemenation of Rw11CntlPC11.
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*/
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#include "boost/bind.hpp"
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#include "boost/foreach.hpp"
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#define foreach_ BOOST_FOREACH
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#include "librtools/RosFill.hpp"
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#include "librtools/RosPrintBvi.hpp"
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#include "librtools/RosPrintf.hpp"
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#include "librtools/Rexception.hpp"
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#include "librtools/RlogMsg.hpp"
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#include "Rw11CntlPC11.hpp"
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using namespace std;
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/*!
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\class Retro::Rw11CntlPC11
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\brief FIXME_docs
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*/
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// all method definitions in namespace Retro
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namespace Retro {
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//------------------------------------------+-----------------------------------
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// constants definitions
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const uint16_t Rw11CntlPC11::kIbaddr;
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const int Rw11CntlPC11::kLam;
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const uint16_t Rw11CntlPC11::kRCSR;
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const uint16_t Rw11CntlPC11::kRBUF;
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const uint16_t Rw11CntlPC11::kPCSR;
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const uint16_t Rw11CntlPC11::kPBUF;
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const uint16_t Rw11CntlPC11::kUnit_PR;
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const uint16_t Rw11CntlPC11::kUnit_PP;
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const uint16_t Rw11CntlPC11::kProbeOff;
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const bool Rw11CntlPC11::kProbeInt;
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const bool Rw11CntlPC11::kProbeRem;
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const uint16_t Rw11CntlPC11::kRCSR_M_ERROR;
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const uint16_t Rw11CntlPC11::kPCSR_M_ERROR;
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const uint16_t Rw11CntlPC11::kPBUF_M_RBUSY;
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const uint16_t Rw11CntlPC11::kPBUF_M_PVAL;
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const uint16_t Rw11CntlPC11::kPBUF_M_BUF;
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//------------------------------------------+-----------------------------------
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//! Default constructor
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Rw11CntlPC11::Rw11CntlPC11()
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: Rw11CntlBase<Rw11UnitPC11,2>("pc11"),
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fPC_pbuf(0)
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{
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// must here because Unit have a back-pointer (not available at Rw11CntlBase)
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for (size_t i=0; i<NUnit(); i++) {
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fspUnit[i].reset(new Rw11UnitPC11(this, i));
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}
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}
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//------------------------------------------+-----------------------------------
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//! Destructor
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Rw11CntlPC11::~Rw11CntlPC11()
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{}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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void Rw11CntlPC11::Config(const std::string& name, uint16_t base, int lam)
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{
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ConfigCntl(name, base, lam, kProbeOff, kProbeInt, kProbeRem);
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return;
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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void Rw11CntlPC11::Start()
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{
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if (fStarted || fLam<0 || !fEnable || !fProbe.Found())
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throw Rexception("Rw11CntlPC11::Start",
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"Bad state: started, no lam, not enable, not found");
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// setup primary info clist
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fPrimClist.Clear();
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Cpu().AddIbrb(fPrimClist, fBase);
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fPC_pbuf = Cpu().AddRibr(fPrimClist, fBase+kPBUF);
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// add attn handler
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Server().AddAttnHandler(boost::bind(&Rw11CntlPC11::AttnHandler, this, _1),
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uint16_t(1)<<fLam, (void*)this);
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fStarted = true;
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return;
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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bool Rw11CntlPC11::BootCode(size_t unit, std::vector<uint16_t>& code,
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uint16_t& aload, uint16_t& astart)
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{
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uint16_t kBOOT_START = 0017476;
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uint16_t bootcode[] = { // papertape lda loader, from dec-11-l2pc-po
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0000000, // C000: halt
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0010706, // astart: mov pc,sp
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0024646, // cmp -(sp),-(sp)
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0010705, // mov pc,r5
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0062705, 0000112, // add #000112,r5
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0005001, // clr r1
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0013716, 0177570, // B000: mov @#cp.dsr,(sp)
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0006016, // ror (sp)
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0103402, // bcs B001
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0005016, // clr (sp)
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0000403, // br B002
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0006316, // B001: asl (sp)
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0001001, // bne B002
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0010116, // mov r1,(sp)
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0005000, // B002: clr r0
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0004715, // jsr pc,(r5)
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0105303, // decb r3
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0001374, // bne B002
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0004715, // jsr pc,(r5)
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0004767, 0000074, // jsr pc,R000
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0010402, // mov r4,r2
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0162702, 0000004, // sub #000004,r2
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0022702, 0000002, // cmp #000002,r2
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0001441, // beq B007
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0004767, 0000054, // jsr pc,R000
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0061604, // add (sp),r4
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0010401, // mov r4,r1
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0004715, // B003: jsr pc,(r5)
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0002004, // bge B005
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0105700, // tstb r0
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0001753, // beq B002
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0000000, // B004: halt
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0000751, // br B002
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0110321, // B005: movb r3,(r1)+
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0000770, // br B003
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0016703, 0000152, // ldchr: mov p.prcs,r3
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0105213, // incb (r3)
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0105713, // B006: tstb (r3)
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0100376, // bpl B006
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0116303, 0000002, // movb 000002(r3),r3
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0060300, // add r3,r0
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0042703, 0177400, // bic #177400,r3
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0005302, // dec r2
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0000207, // rts pc
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0012667, 0000046, // R000: mov (sp)+,D000
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0004715, // jsr pc,(r5)
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0010304, // mov r3,r4
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0004715, // jsr pc,(r5)
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0000303, // swap r3
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0050304, // bis r3,r4
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0016707, 0000030, // mov D000,pc
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0004767, 0177752, // B007: jsr pc,R000
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0004715, // jsr pc,(r5)
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0105700, // tstb r0
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0001342, // bne B004
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0006204, // asr r4
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0103002, // bcc B008
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0000000, // halt
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0000700, // br B000
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0006304, // B008: asl r4
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0061604, // add (sp),r4
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0000114, // jmp (r4)
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0000000, // D000: .word 000000
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0012767, 0000352, 0000020, // L000: mov #000352,B009+2
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0012767, 0000765, 0000034, // mov #000765,D001
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0000167, 0177532, // jmp C000
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0016701, 0000026, // bstart: mov p.prcs,r1
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0012702, 0000352, // B009: mov #000352,r2
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0005211, // inc (r1)
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0105711, // B010: tstb (r1)
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0100376, // bpl B010
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0116162, 0000002, 0157400, // movb 000002(r1),157400(r2)
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0005267, 0177756, // inc B009+2
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0000765, // D001: br B009
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0177550 // p.prcs: .word 177550
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};
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code.clear();
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foreach_ (uint16_t& w, bootcode) code.push_back(w);
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aload = kBOOT_START;
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astart = kBOOT_START+2;
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return true;
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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void Rw11CntlPC11::UnitSetup(size_t ind)
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{
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Rw11UnitPC11& unit = *fspUnit[ind];
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SetOnline(ind, unit.Virt()); // online if stream attached
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return;
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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void Rw11CntlPC11::Dump(std::ostream& os, int ind, const char* text) const
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{
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RosFill bl(ind);
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os << bl << (text?text:"--") << "Rw11CntlPC11 @ " << this << endl;
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os << bl << " fPC_pbuf: " << fPC_pbuf << endl;
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Rw11CntlBase<Rw11UnitPC11,2>::Dump(os, ind, " ^");
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return;
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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int Rw11CntlPC11::AttnHandler(const RlinkServer::AttnArgs& args)
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{
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RlinkCommandList* pclist;
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size_t off;
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GetPrimInfo(args, pclist, off);
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uint16_t pbuf = (*pclist)[off+fPC_pbuf].Data();
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bool pval = pbuf & kPBUF_M_PVAL;
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bool rbusy = pbuf & kPBUF_M_RBUSY;
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uint8_t ochr = pbuf & kPBUF_M_BUF;
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if (fTraceLevel>0) {
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RlogMsg lmsg(LogFile());
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lmsg << "-I PC11." << Name()
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<< " pbuf=" << RosPrintBvi(pbuf,8)
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<< " pval=" << pval
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<< " rbusy=" << rbusy;
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if (pval) {
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lmsg << " char=";
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if (ochr>=040 && ochr<0177) {
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lmsg << "'" << char(ochr) << "'";
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} else {
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lmsg << RosPrintBvi(ochr,8);
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}
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}
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}
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if (pval) {
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RerrMsg emsg;
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bool rc = fspUnit[kUnit_PP]->VirtWrite(&ochr, 1, emsg);
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if (!rc) {
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RlogMsg lmsg(LogFile());
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lmsg << emsg;
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SetOnline(1, false);
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}
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}
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if (rbusy) {
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uint8_t ichr = 0;
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RerrMsg emsg;
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int irc = fspUnit[kUnit_PR]->VirtRead(&ichr, 1, emsg);
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if (irc < 0) {
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RlogMsg lmsg(LogFile());
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lmsg << emsg;
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}
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if (irc <= 0) {
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SetOnline(0, false);
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} else {
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RlinkCommandList clist;
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Cpu().AddWibr(clist, fBase+kRBUF, ichr);
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Server().Exec(clist);
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}
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}
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return 0;
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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void Rw11CntlPC11::SetOnline(size_t ind, bool online)
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{
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Rw11Cpu& cpu = Cpu();
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RlinkCommandList clist;
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cpu.AddIbrb(clist, fBase);
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if (ind == kUnit_PR) { // reader on/offline
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uint16_t rcsr = online ? 0 : kRCSR_M_ERROR;
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cpu.AddWibr(clist, fBase+kRCSR, rcsr);
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} else { // puncher on/offline
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uint16_t pcsr = online ? 0 : kPCSR_M_ERROR;
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cpu.AddWibr(clist, fBase+kPCSR, pcsr);
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}
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Server().Exec(clist);
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return;
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}
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} // end namespace Retro
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