bsnes-patches/v087/0007-Support-notifying-latches.patch

   1 From 13643c86bfff3871968cf6e8b4f991465d4e81e7 Mon Sep 17 00:00:00 2001
   2 From: Ilari Liusvaara <ilari.liusvaara@elisanet.fi>
   3 Date: Sun, 27 Oct 2013 10:52:45 +0200
   4 Subject: [PATCH 7/8] Support notifying latches
   5
   6 ---
   7  snes/cpu/mmio/mmio.cpp       | 1 +
   8  snes/cpu/timing/joypad.cpp   | 1 +
   9  snes/interface/interface.cpp | 5 +++++
  10  snes/interface/interface.hpp | 1 +
  11  4 files changed, 8 insertions(+)
  12
  13 diff --git a/snes/cpu/mmio/mmio.cpp b/snes/cpu/mmio/mmio.cpp
  14 index c5ee930..b7afff0 100755
  15 --- a/snes/cpu/mmio/mmio.cpp
  16 +++ b/snes/cpu/mmio/mmio.cpp
  17 @@ -33,6 +33,7 @@ void CPU::mmio_w2183(uint8 data) {
  18  //strobing $4016.d0 affects both controller port latches.
  19  //$4017 bit 0 writes are ignored.
  20  void CPU::mmio_w4016(uint8 data) {
  21 +  if(data&1) interface->notifyLatched();
  22    input.port1->latch(data & 1);
  23    input.port2->latch(data & 1);
  24  }
  25 diff --git a/snes/cpu/timing/joypad.cpp b/snes/cpu/timing/joypad.cpp
  26 index 179df27..6a98de0 100755
  27 --- a/snes/cpu/timing/joypad.cpp
  28 +++ b/snes/cpu/timing/joypad.cpp
  29 @@ -9,6 +9,7 @@ void CPU::step_auto_joypad_poll() {
  30
  31      if(status.auto_joypad_active && status.auto_joypad_latch) {
  32        if(status.auto_joypad_counter == 0) {
  33 +        interface->notifyLatched();
  34          input.port1->latch(1);
  35          input.port2->latch(1);
  36          input.port1->latch(0);
  37 diff --git a/snes/interface/interface.cpp b/snes/interface/interface.cpp
  38 index 0a21a13..6685556 100755
  39 --- a/snes/interface/interface.cpp
  40 +++ b/snes/interface/interface.cpp
  41 @@ -28,4 +28,9 @@ time_t Interface::randomSeed()
  42    return time(0);
  43  }
  44
  45 +void Interface::notifyLatched()
  46 +{
  47 +  //Nothing.
  48 +}
  49 +
  50  }
  51 diff --git a/snes/interface/interface.hpp b/snes/interface/interface.hpp
  52 index 30ee7fd..203f7b0 100755
  53 --- a/snes/interface/interface.hpp
  54 +++ b/snes/interface/interface.hpp
  55 @@ -7,6 +7,7 @@ struct Interface {
  56    virtual void message(const string &text);
  57    virtual time_t currentTime();
  58    virtual time_t randomSeed();
  59 +  virtual void notifyLatched();
  60  };
  61
  62  extern Interface *interface;
  63 --
  64 1.8.4.4
  65