diff --git a/bsnes.exe b/bsnes.exe
new file mode 100644
index 00000000..34e7d532
Binary files /dev/null and b/bsnes.exe differ
diff --git a/src/Makefile b/src/Makefile
index 04b5389b..134a3764 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -38,7 +38,7 @@ CC = cl
 CFLAGS = /nologo /wd4996 /O2 /EHsc /DPLATFORM_WIN /DCOMPILER_VISUALC /DPROCESSOR_X86 /DUI_LUI
 AS = nasm
 ASFLAGS = -f win32 -DWIN32
-LIBS = d3d9.lib ddraw.lib dsound.lib dinput8.lib dxguid.lib
+LIBS = d3d9.lib ddraw.lib dsound.lib dinput8.lib dxguid.lib kernel32.lib user32.lib gdi32.lib shell32.lib winmm.lib comdlg32.lib comctl32.lib
 LIBCO = libco_x86
 LIBUI = libui_win
 endif
@@ -49,7 +49,7 @@ CC = cl
 CFLAGS = /nologo /wd4996 /O2 /GL /EHsc /DPLATFORM_WIN /DCOMPILER_VISUALC /DPROCESSOR_X86 /DUI_LUI
 AS = nasm
 ASFLAGS = -f win32 -DWIN32
-LIBS = d3d9.lib ddraw.lib dsound.lib dinput8.lib dxguid.lib
+LIBS = d3d9.lib ddraw.lib dsound.lib dinput8.lib dxguid.lib kernel32.lib user32.lib gdi32.lib shell32.lib winmm.lib comdlg32.lib comctl32.lib
 LINK = /link /PGD:bsnes.pgd /LTCG:PGINSTRUMENT
 LIBCO = libco_x86
 LIBUI = libui_win
@@ -61,12 +61,23 @@ CC = cl
 CFLAGS = /nologo /wd4996 /O2 /GL /EHsc /DPLATFORM_WIN /DCOMPILER_VISUALC /DPROCESSOR_X86 /DUI_LUI
 AS = nasm
 ASFLAGS = -f win32 -DWIN32
-LIBS = d3d9.lib ddraw.lib dsound.lib dinput8.lib dxguid.lib
+LIBS = d3d9.lib ddraw.lib dsound.lib dinput8.lib dxguid.lib kernel32.lib user32.lib gdi32.lib shell32.lib winmm.lib comdlg32.lib comctl32.lib
 LINK = /link /PGD:bsnes.pgd /LTCG:PGOPTIMIZE
 LIBCO = libco_x86
 LIBUI = libui_win
 endif
 
+ifeq ($(PLATFORM),win-mingw-lui)
+OS = win
+CC = mingw32-gcc
+CFLAGS = -O3 -fomit-frame-pointer -ffast-math -DPLATFORM_WIN -DCOMPILER_GCC -DPROCESSOR_X86 -DUI_LUI
+AS = nasm
+ASFLAGS = -f win32 -DWIN32
+LIBS = -ld3d9 -lddraw -ldsound -ldinput8 -ldxguid -luuid -lkernel32 -luser32 -lgdi32 -lshell32 -lwinmm -lcomdlg32 -lcomctl32
+LIBCO = libco_x86
+LIBUI = libui_win
+endif
+
 #####################################
 ### compiler / assembler switches ###
 #####################################
@@ -79,6 +90,14 @@ CARGS = -c $< -o $@
 DEFINE = -D
 endif
 
+ifeq ($(CC),mingw32-gcc)
+OUT = -obsnes
+CPP = mingw32-g++
+OBJ = o
+CARGS = -c $< -o $@
+DEFINE = -D
+endif
+
 ifeq ($(CC),cl)
 OUT = /Febsnes
 CPP = cl
@@ -106,7 +125,6 @@ endif
 ifeq ($(OS),win)
 OUT := $(OUT).exe
 RM = del
-LIBS += kernel32.lib user32.lib gdi32.lib shell32.lib winmm.lib comdlg32.lib comctl32.lib
 endif
 
 ####################################
diff --git a/src/base.h b/src/base.h
index 1e28caf6..a9a3ac45 100644
--- a/src/base.h
+++ b/src/base.h
@@ -1,4 +1,4 @@
-#define BSNES_VERSION "0.022"
+#define BSNES_VERSION "0.022.03"
 #define BSNES_TITLE   "bsnes v" BSNES_VERSION
 
 #define MEMCORE bMemBus
@@ -31,6 +31,7 @@
   #error "unsupported processor"
 #endif
 
+#include "lib/libfunctor.h"
 #include "lib/libsort.h"
 #include "lib/libarray.h"
 #include "lib/libvector.h"
@@ -38,9 +39,9 @@
 #include "lib/libconfig.h"
 
 //platform-specific global functions
-void alert(char*, ...);
-void dprintf(char*, ...);
-void dprintf(uint, char*, ...);
+void alert(const char*, ...);
+void dprintf(const char*, ...);
+void dprintf(uint, const char*, ...);
 
 namespace source {
   enum {
diff --git a/src/lib/libbase.h b/src/lib/libbase.h
index d736cc23..922ab908 100644
--- a/src/lib/libbase.h
+++ b/src/lib/libbase.h
@@ -1,5 +1,5 @@
 /*
-  libbase : version 0.10 ~byuu (2007-06-04)
+  libbase : version 0.11 ~byuu (2007-09-08)
   license: public domain
 */
 
@@ -18,7 +18,7 @@
 
 #include <new>
 
-#if defined(_MSC_VER)
+#if defined(PLATFORM_WIN)
   #include <io.h>
   #include <direct.h>
   #include <shlobj.h>
@@ -34,6 +34,10 @@
 
   #define NOMINMAX
   #define PATH_MAX  _MAX_PATH
+  #define va_copy(dst, src) ((dst) = (src))
+#endif
+
+#if defined(PLATFORM_WIN)
   #define getcwd    _getcwd
   #define ftruncate _chsize
   #define mkdir     _mkdir
@@ -41,11 +45,10 @@
   #define rmdir     _rmdir
   #define vsnprintf _vsnprintf
 
-  #define va_copy(dst, src) ((dst) = (src))
   static char *realpath(const char *file_name, char *resolved_name) {
     return _fullpath(resolved_name, file_name, PATH_MAX);
   }
-#elif defined(__GNUC__)
+#elif defined(PLATFORM_X)
   #define mkdir(path) (mkdir)(path, 0755);
 #endif
 
@@ -90,13 +93,13 @@ typedef int64_t  int64;
 //userpath(output) retrieves path to user's home folder
 //output must be at least as large as PATH_MAX
 
-#if defined(_MSC_VER)
+#if defined(PLATFORM_WIN)
 static char *userpath(char *output) {
   strcpy(output, "."); //failsafe
   SHGetFolderPath(0, CSIDL_APPDATA | CSIDL_FLAG_CREATE, 0, 0, output);
   return output;
 }
-#elif defined(__GNUC__)
+#elif defined(PLATFORM_X)
 static char *userpath(char *output) {
   strcpy(output, "."); //failsafe
 struct passwd *userinfo = getpwuid(getuid());
diff --git a/src/lib/libco_x86.asm b/src/lib/libco_x86.asm
index 2e29c730..c243a537 100644
--- a/src/lib/libco_x86.asm
+++ b/src/lib/libco_x86.asm
@@ -1,14 +1,14 @@
 ;*****
-;libco_x86 : version 0.10 ~byuu (2007-04-18)
+;libco_x86 : version 0.10 ~byuu (2007-09-08)
 ;cross-platform x86 implementation of libco
 ;special thanks to Aaron Giles and Joel Yliluoma for various optimizations
 ;
 ;[ABI compatibility]
-;- visual c++; windows-x86
-;- mingw; windows-x86
-;- gcc; osx86
-;- gcc; linux-x86
-;- gcc; freebsd-x86
+;- visual c++; windows; x86
+;- mingw; windows; x86
+;- gcc; mac os x; x86
+;- gcc; linux; x86
+;- gcc; freebsd; x86
 ;
 ;[nonvolatile registers]
 ;- esp, ebp, edi, esi, ebx
@@ -28,7 +28,7 @@
 %define free       _free
 
 %define co_active  @co_active@0
-%define co_create  @co_create@12
+%define co_create  @co_create@8
 %define co_delete  @co_delete@4
 %define co_switch  @co_switch@4
 %endif
@@ -76,11 +76,10 @@ co_active:
     ret
 
 ;*****
-;extern "C" cothread_t fastcall co_create(unsigned int heapsize, void (*coentry)(void *data), void *data);
-;ecx     = heapsize
-;edx     = coentry
-;[esp+4] = data
-;return  = eax
+;extern "C" cothread_t fastcall co_create(unsigned int heapsize, void (*coentry)());
+;ecx    = heapsize
+;edx    = coentry
+;return = eax
 ;*****
 
 align 16
@@ -101,7 +100,7 @@ co_create:
     and    ecx,-16                          ;force 16-byte alignment of stack heap
 
 ;store thread entry point + registers, so that first call to co_switch will execute coentry
-    mov    dword[ecx-4],co_entrypoint       ;entry point
+    mov    dword[ecx-4],edx                 ;entry point
     mov    dword[ecx-8],0                   ;ebp
     mov    dword[ecx-12],0                  ;esi
     mov    dword[ecx-16],0                  ;edi
@@ -109,11 +108,8 @@ co_create:
     sub    ecx,20
 
 ;initialize context memory heap and return
-    mov    [eax],ecx                        ;cothread_t[ 0- 3] = stack heap pointer (esp)
-    mov    [eax+4],edx                      ;cothread_t[ 4- 7] = coentry
-    mov    ecx,[esp+4]
-    mov    [eax+8],ecx                      ;cothread_t[ 8-11] = data
-    ret    4                                ;return allocated memory block as thread handle
+    mov    [eax],ecx                        ;*cothread_t = stack heap pointer (esp)
+    ret                                     ;return allocated memory block as thread handle
 
 ;*****
 ;extern "C" void fastcall co_delete(cothread_t cothread);
@@ -150,18 +146,3 @@ co_switch:
     pop    ebp
 
     ret
-
-;*****
-;void fastcall co_entrypoint();
-;*****
-
-align 16
-co_entrypoint:
-    mov    ebp,esp
-.loop
-    mov    eax,[co_active_context]
-    mov    ecx,[eax+8]                      ;fastcall
-    push   ecx                              ;stdcall
-    call   [eax+4]
-    mov    esp,ebp                          ;cdecl
-    jmp    .loop
diff --git a/src/lib/libco_x86.h b/src/lib/libco_x86.h
index 527f403a..96744c68 100644
--- a/src/lib/libco_x86.h
+++ b/src/lib/libco_x86.h
@@ -1,26 +1,26 @@
 /*
-  libco_x86 : version 0.10 ~byuu (2007-06-04)
+  libco_x86 : version 0.10 ~byuu (2007-09-08)
   license: public domain
 */
 
 #ifndef LIBCO_H
 #define LIBCO_H
 
-#undef fastcall
-#if defined(_MSC_VER)
-  #define fastcall __fastcall
-#elif defined(__GNUC__)
-  #define fastcall __attribute__((fastcall))
-#else
-  #error "fastcall undefined"
+#if !defined(fastcall)
+  #if defined(_MSC_VER)
+    #define fastcall __fastcall
+  #elif defined(__GNUC__)
+    #define fastcall __attribute__((fastcall))
+  #else
+    #error "fastcall undefined"
+  #endif
 #endif
 
-#define cocall fastcall
-typedef void (*cothread_t);
+typedef void *cothread_t;
 
-extern "C" cothread_t cocall co_active();
-extern "C" cothread_t cocall co_create(unsigned int heapsize, void (cocall *coentry)(void *data), void *data);
-extern "C" void       cocall co_delete(cothread_t cothread);
-extern "C" void       cocall co_switch(cothread_t cothread);
+extern "C" cothread_t fastcall co_active();
+extern "C" cothread_t fastcall co_create(unsigned int heapsize, void (*coentry)());
+extern "C" void       fastcall co_delete(cothread_t cothread);
+extern "C" void       fastcall co_switch(cothread_t cothread);
 
 #endif
diff --git a/src/lib/libco_x86_64.asm b/src/lib/libco_x86_64.asm
index 9341af08..224a7c0a 100644
--- a/src/lib/libco_x86_64.asm
+++ b/src/lib/libco_x86_64.asm
@@ -1,12 +1,12 @@
 ;*****
-;libco_x86_64 : version 0.10 ~byuu (2007-04-18)
+;libco_x86_64 : version 0.10 ~byuu (2007-09-08)
 ;cross-platform x86-64 implementation of libco
 ;special thanks to Aaron Giles and Joel Yliluoma for various optimizations
 ;
 ;[ABI compatibility]
 ;- SystemV ( http://refspecs.freestandards.org/elf/x86_64-SysV-psABI.pdf )
-;- gcc; linux-x86-64
-;- gcc; freebsd-x86-64
+;- gcc; linux; x86-64
+;- gcc; freebsd; x86-64
 ;
 ;[nonvolatile registers]
 ;- rsp, rbp, rbx, r12, r13, r14, r15
@@ -50,10 +50,9 @@ co_active:
     ret
 
 ;*****
-;extern "C" cothread_t co_create(unsigned int heapsize, void (*coentry)(void *data), void *data);
+;extern "C" cothread_t co_create(unsigned int heapsize, void (*coentry)());
 ;rdi    = heapsize
 ;rsi    = coentry
-;rdx    = data
 ;return = rax
 ;*****
 
@@ -63,11 +62,9 @@ co_create:
     add    rdi,512                          ;allocate extra memory for contextual info
     push   rdi
     push   rsi
-    push   rdx
 
     call   malloc                           ;rax = malloc(rdi)
 
-    pop    rdx
     pop    rsi
     pop    rdi
 
@@ -75,7 +72,7 @@ co_create:
     and    rdi,-16                          ;force 16-byte alignment of stack heap
 
 ;store thread entry point + registers, so that first call to co_switch will execute coentry
-    mov    qword[rdi-8],co_entrypoint       ;entry point
+    mov    qword[rdi-8],rsi                 ;entry point
     mov    qword[rdi-16],0                  ;r15
     mov    qword[rdi-24],0                  ;r14
     mov    qword[rdi-32],0                  ;r13
@@ -85,9 +82,7 @@ co_create:
     sub    rdi,56
 
 ;initialize context memory heap and return
-    mov    [rax],rdi                        ;cothread_t[ 0- 7] = stack heap pointer (rsp)
-    mov    [rax+8],rsi                      ;cothread_t[ 8-15] = coentry
-    mov    [rax+16],rdx                     ;cothread_t[16-23] = data
+    mov    [rax],rdi                        ;*cothread_t = stack heap pointer (rsp)
     ret                                     ;return allocated memory block as thread handle
 
 ;*****
@@ -126,14 +121,3 @@ co_switch:
     pop    rbp
 
     ret
-
-;*****
-;void co_entrypoint();
-;*****
-
-align 16
-co_entrypoint:
-    mov    rax,[co_active_context wrt rip]
-    mov    rdi,[rax+16]
-    call   [rax+8]
-    jmp    co_entrypoint
diff --git a/src/lib/libco_x86_64.h b/src/lib/libco_x86_64.h
index f0370486..e7d2c98a 100644
--- a/src/lib/libco_x86_64.h
+++ b/src/lib/libco_x86_64.h
@@ -1,15 +1,15 @@
 /*
-  libco_x86_64 : version 0.10 ~byuu (2007-04-18)
+  libco_x86_64 : version 0.10 ~byuu (2007-09-08)
+  license: public domain
 */
 
 #ifndef LIBCO_H
 #define LIBCO_H
 
-#define cocall
-typedef void (*cothread_t);
+typedef void *cothread_t;
 
 extern "C" cothread_t co_active();
-extern "C" cothread_t co_create(unsigned int heapsize, void (cocall *coentry)(void *data), void *data);
+extern "C" cothread_t co_create(unsigned int heapsize, void (*coentry)());
 extern "C" void       co_delete(cothread_t cothread);
 extern "C" void       co_switch(cothread_t cothread);
 
diff --git a/src/lib/libfunctor.h b/src/lib/libfunctor.h
new file mode 100644
index 00000000..2978562e
--- /dev/null
+++ b/src/lib/libfunctor.h
@@ -0,0 +1,100 @@
+/*
+  libfunctor : version 0.05 ~byuu (2007-09-08)
+  license: public domain
+*/
+
+#ifndef LIBFUNCTOR_H
+#define LIBFUNCTOR_H
+
+//prologue
+
+#define TN typename
+
+template<typename T> class functor;
+
+//parameters = 0
+
+#define cat(n)  n
+#define TL typename R
+#define PL
+#define CL
+
+#include "libfunctor_impl.h"
+
+//parameters = 1
+
+#define cat(n)  , n
+#define TL TN R, TN P1
+#define PL P1 p1
+#define CL p1
+
+#include "libfunctor_impl.h"
+
+//parameters = 2
+
+#define cat(n)  , n
+#define TL TN R, TN P1, TN P2
+#define PL P1 p1, P2 p2
+#define CL p1, p2
+
+#include "libfunctor_impl.h"
+
+//parameters = 3
+
+#define cat(n)  , n
+#define TL TN R, TN P1, TN P2, TN P3
+#define PL P1 p1, P2 p2, P3 p3
+#define CL p1, p2, p3
+
+#include "libfunctor_impl.h"
+
+//parameters = 4
+
+#define cat(n)  , n
+#define TL TN R, TN P1, TN P2, TN P3, TN P4
+#define PL P1 p1, P2 p2, P3 p3, P4 p4
+#define CL p1, p2, p3, p4
+
+#include "libfunctor_impl.h"
+
+//parameters = 5
+
+#define cat(n)  , n
+#define TL TN R, TN P1, TN P2, TN P3, TN P4, TN P5
+#define PL P1 p1, P2 p2, P3 p3, P4 p4, P5 p5
+#define CL p1, p2, p3, p4, p5
+
+#include "libfunctor_impl.h"
+
+//parameters = 6
+
+#define cat(n)  , n
+#define TL TN R, TN P1, TN P2, TN P3, TN P4, TN P5, TN P6
+#define PL P1 p1, P2 p2, P3 p3, P4 p4, P5 p5, P6 p6
+#define CL p1, p2, p3, p4, p5, p6
+
+#include "libfunctor_impl.h"
+
+//parameters = 7
+
+#define cat(n)  , n
+#define TL TN R, TN P1, TN P2, TN P3, TN P4, TN P5, TN P6, TN P7
+#define PL P1 p1, P2 p2, P3 p3, P4 p4, P5 p5, P6 p6, P7 p7
+#define CL p1, p2, p3, p4, p5, p6, p7
+
+#include "libfunctor_impl.h"
+
+//parameters = 8
+
+#define cat(n)  , n
+#define TL TN R, TN P1, TN P2, TN P3, TN P4, TN P5, TN P6, TN P7, TN P8
+#define PL P1 p1, P2 p2, P3 p3, P4 p4, P5 p5, P6 p6, P7 p7, P8 p8
+#define CL p1, p2, p3, p4, p5, p6, p7, p8
+
+#include "libfunctor_impl.h"
+
+//epilogue
+
+#undef TN
+
+#endif
diff --git a/src/lib/libfunctor_impl.h b/src/lib/libfunctor_impl.h
new file mode 100644
index 00000000..95f2a207
--- /dev/null
+++ b/src/lib/libfunctor_impl.h
@@ -0,0 +1,81 @@
+#ifdef LIBFUNCTOR_H
+
+template<TL>
+class functor<R (PL)> {
+private:
+  struct base1 { virtual void func1(PL) {} };
+  struct base2 { virtual void func2(PL) {} };
+  struct derived : base1, virtual base2 {};
+
+  struct data_t {
+    R (*fn_call)(const data_t& cat(PL));
+    union {
+      R (*fn_global)(PL);
+      struct {
+        R (derived::*fn_member)(PL);
+        void *object;
+      };
+    };
+  } data;
+
+  static R fn_call_global(const data_t &d cat(PL)) {
+    return d.fn_global(CL);
+  }
+
+  template<typename C>
+  static R fn_call_member(const data_t &d cat(PL)) {
+    return (((C*)d.object)->*((R (C::*&)(PL))d.fn_member))(CL);
+  }
+
+public:
+  R operator()(PL) const { return data.fn_call(data cat(CL)); }
+  operator bool() const { return data.fn_call; }
+
+  functor() { data.fn_call = 0; }
+
+  functor(R (*fn)(PL)) {
+    data.fn_call = &fn_call_global;
+    data.fn_global = fn;
+  }
+
+  template<typename C>
+  functor(R (C::*fn)(PL), C *obj) {
+    data.fn_call = &fn_call_member<C>;
+    (R (C::*&)(PL))data.fn_member = fn;
+    assert(sizeof data.fn_member >= sizeof fn);
+    data.object = obj;
+  }
+
+  template<typename C>
+  functor(R (C::*fn)(PL) const, C *obj) {
+    data.fn_call = &fn_call_member<C>;
+    (R (C::*&)(PL))data.fn_member = (R (C::*&)(PL))fn;
+    assert(sizeof data.fn_member >= sizeof fn);
+    data.object = obj;
+  }
+
+  functor &operator=(const functor &source) { memcpy(&data, &source.data, sizeof(data_t)); return *this; }
+  functor(const functor &source) { memcpy(&data, &source.data, sizeof(data_t)); }
+};
+
+template<TL>
+functor<R (PL)> bind(R (*fn)(PL)) {
+  return functor<R (PL)>(fn);
+}
+
+template<typename C, TL>
+functor<R (PL)> bind(R (C::*fn)(PL), C *obj) {
+  return functor<R (PL)>(fn, obj);
+}
+
+template<typename C, TL>
+functor<R (PL)> bind(R (C::*fn)(PL) const, C *obj) {
+  return functor<R (PL)>(fn, obj);
+}
+
+#undef cat
+#undef TL
+#undef PL
+#undef CL
+
+#endif
diff --git a/src/lib/libui_win.cpp b/src/lib/libui_win.cpp
index 985e950b..23f3c2e3 100644
--- a/src/lib/libui_win.cpp
+++ b/src/lib/libui_win.cpp
@@ -1,3 +1,5 @@
+#define _WIN32_IE 0x0600
+
 #include "libui_win.h"
 #include "libui_win_window.cpp"
 #include "libui_win_control.cpp"
diff --git a/src/snes/interface/interface.h b/src/snes/interface/interface.h
index 054b645f..0da725de 100644
--- a/src/snes/interface/interface.h
+++ b/src/snes/interface/interface.h
@@ -12,6 +12,7 @@ class SNESInterface { public:
 
   void audio_sample(uint16 l_sample, uint16 r_sample);
 
+functor<bool ()> input_ready;
   void input_poll();
   bool input_poll(uint deviceid, uint button);
 
diff --git a/src/snes/scheduler/scheduler.cpp b/src/snes/scheduler/scheduler.cpp
index c9964589..320184cd 100644
--- a/src/snes/scheduler/scheduler.cpp
+++ b/src/snes/scheduler/scheduler.cpp
@@ -2,10 +2,10 @@ Scheduler scheduler;
 
 //
 
-void cocall threadentry_cpu(void*) { r_cpu->enter(); }
-void cocall threadentry_smp(void*) { r_smp->enter(); }
-void cocall threadentry_ppu(void*) {} //currently unused
-void cocall threadentry_dsp(void*) { r_dsp->enter(); }
+void threadentry_cpu() { r_cpu->enter(); }
+void threadentry_smp() { r_smp->enter(); }
+void threadentry_ppu() {                 } //currently unused
+void threadentry_dsp() { r_dsp->enter(); }
 
 //
 
@@ -41,10 +41,10 @@ void Scheduler::init() {
   if(thread_dsp)co_delete(thread_dsp);
 
   thread_snes = co_active();
-  thread_cpu  = co_create(sizeof(void*) * 64 * 1024, threadentry_cpu, 0);
-  thread_smp  = co_create(sizeof(void*) * 64 * 1024, threadentry_smp, 0);
-  thread_ppu  = co_create(sizeof(void*) * 64 * 1024, threadentry_ppu, 0);
-  thread_dsp  = co_create(sizeof(void*) * 64 * 1024, threadentry_dsp, 0);
+  thread_cpu  = co_create(sizeof(void*) * 64 * 1024, threadentry_cpu);
+  thread_smp  = co_create(sizeof(void*) * 64 * 1024, threadentry_smp);
+  thread_ppu  = co_create(sizeof(void*) * 64 * 1024, threadentry_ppu);
+  thread_dsp  = co_create(sizeof(void*) * 64 * 1024, threadentry_dsp);
 }
 
 //
diff --git a/src/snes/tracer/tracer.cpp b/src/snes/tracer/tracer.cpp
index 13fe2c1a..bb180041 100644
--- a/src/snes/tracer/tracer.cpp
+++ b/src/snes/tracer/tracer.cpp
@@ -1,6 +1,6 @@
 Tracer tracer;
 
-void tprintf(char *s, ...) {
+void tprintf(const char *s, ...) {
   if(tracer.enabled() == false) { return; }
 
 char str[4096];
diff --git a/src/snes/tracer/tracer.h b/src/snes/tracer/tracer.h
index 0a589ad0..6c258e63 100644
--- a/src/snes/tracer/tracer.h
+++ b/src/snes/tracer/tracer.h
@@ -1,4 +1,4 @@
-void tprintf(char *s, ...);
+void tprintf(const char *s, ...);
 
 class Tracer {
 private:
@@ -43,7 +43,7 @@ public:
   Tracer();
   ~Tracer();
 
-  friend void tprintf(char *s, ...);
+  friend void tprintf(const char *s, ...);
 };
 
 extern Tracer tracer;
diff --git a/src/ui/audio/dsound.cpp b/src/ui/audio/dsound.cpp
index de73689e..5e3ac2b2 100644
--- a/src/ui/audio/dsound.cpp
+++ b/src/ui/audio/dsound.cpp
@@ -2,7 +2,7 @@ void AudioDS::sample(uint16 l_sample, uint16 r_sample) {
   data.buffer[data.buffer_pos++] = (l_sample << 0) + (r_sample << 16);
   if(data.buffer_pos < latency)return;
 
-uint32 ring_pos, pos, size;
+DWORD ring_pos, pos, size;
   for(;;) {
     dsb_b->GetCurrentPosition(&pos, 0);
     ring_pos = pos / data.ring_size;
@@ -30,7 +30,7 @@ void *output;
   data.buffer[data.buffer_pos++] = (l_sample << 0) + (r_sample << 16);
 //if(data.buffer_pos & 15)return;
 
-uint32 ring_pos, pos, size;
+DWORD ring_pos, pos, size;
   dsb_b->GetCurrentPosition(&pos, 0);
   ring_pos = pos / data.ring_size;
   if(ring_pos == data.ring_pos)return;
@@ -66,7 +66,7 @@ void AudioDS::clear_audio() {
   dsb_b->Stop();
   dsb_b->SetCurrentPosition(0);
 
-uint32 size;
+DWORD size;
 void  *output;
   dsb_b->Lock(0, data.ring_size * 3, &output, &size, 0, 0, 0);
   memset(output, 0, size);
diff --git a/src/ui/interface.cpp b/src/ui/interface.cpp
index 0e359867..da6ec569 100644
--- a/src/ui/interface.cpp
+++ b/src/ui/interface.cpp
@@ -39,12 +39,12 @@ void SNESInterface::audio_sample(uint16 l_sample, uint16 r_sample) {
 
 //input
 
-//allow_input() returns true only when main emulator window has focus
-//TODO: draft a more elegant way to poll lui, etc platforms from here
-bool allow_input(); //defined in lui/main.cpp
-
 void SNESInterface::input_poll() {
-  allow_input() ? uiInput->poll() : uiInput->clear_input();
+  if(input_ready && input_ready() == false) {
+    uiInput->clear_input();
+  } else {
+    uiInput->poll();
+  }
   input_manager.poll();
 }
 
diff --git a/src/ui/lui/main.cpp b/src/ui/lui/main.cpp
index bc77f3ed..2bbb8854 100644
--- a/src/ui/lui/main.cpp
+++ b/src/ui/lui/main.cpp
@@ -18,16 +18,7 @@ bool _term_ = false;
 #include "ui.cpp"
 #include "event.cpp"
 
-bool allow_input() {
-#if defined(PLATFORM_X)
-//TODO: window_main.focused() does not work at all on X
-  return true;
-#endif
-//only allow input capture when main window is active
-  return window_main.focused() == true;
-}
-
-void alert(char *s, ...) {
+void alert(const char *s, ...) {
 char str[4096];
 va_list args;
   va_start(args, s);
@@ -36,7 +27,7 @@ va_list args;
   fprintf(stdout, "%s\r\n", str);
 }
 
-void dprintf(char *s, ...) {
+void dprintf(const char *s, ...) {
 char str[4096];
 va_list args;
   va_start(args, s);
@@ -45,7 +36,7 @@ va_list args;
   fprintf(stdout, "%s\r\n", str);
 }
 
-void dprintf(uint source, char *s, ...) {
+void dprintf(uint source, const char *s, ...) {
 char str[4096];
 va_list args;
   va_start(args, s);
@@ -67,7 +58,8 @@ void run() {
     snes.runtoframe();
     event::update_frame_counter();
   }
-#if defined(_MSC_VER)
+
+#if defined(PLATFORM_WIN)
 //prevent bsnes from consuming 100% CPU resources when idle
   else { Sleep(1); }
 #endif
diff --git a/src/ui/lui/ui_main.cpp b/src/ui/lui/ui_main.cpp
index 38a63437..25383c64 100644
--- a/src/ui/lui/ui_main.cpp
+++ b/src/ui/lui/ui_main.cpp
@@ -1,3 +1,13 @@
+bool MainWindow::input_ready() {
+#if defined(PLATFORM_X)
+//FIXME: focused() is broken in X port
+  return true;
+#endif
+
+//only allow input when main window is focused
+  return focused() == true;
+}
+
 bool MainWindow::message(uint id, uintptr_t param) {
 ui::Control *control = (ui::Control*)param;
   if(id == ui::Message::Close) {
@@ -102,6 +112,8 @@ ui::Control *control = (ui::Control*)param;
 }
 
 void MainWindow::setup() {
+  snesinterface.input_ready = bind(&MainWindow::input_ready, this);
+
 ui::ControlGroup group;
   create(ui::Window::Center, 256, 224, BSNES_TITLE);
   set_background_color(0, 0, 0);
@@ -169,7 +181,7 @@ ui::ControlGroup group;
         group.add(menu_settings_videoframeskip_7);
         group.add(menu_settings_videoframeskip_8);
         group.add(menu_settings_videoframeskip_9);
-        menu_settings_videoframeskip_0.create(menu_settings_videoframeskip, group, "0 (off)");
+        menu_settings_videoframeskip_0.create(menu_settings_videoframeskip, group, "0");
         menu_settings_videoframeskip_sep1.create(menu_settings_videoframeskip);
         menu_settings_videoframeskip_1.create(menu_settings_videoframeskip, group, "1");
         menu_settings_videoframeskip_2.create(menu_settings_videoframeskip, group, "2");
diff --git a/src/ui/lui/ui_main.h b/src/ui/lui/ui_main.h
index d0289eb9..53ea23ee 100644
--- a/src/ui/lui/ui_main.h
+++ b/src/ui/lui/ui_main.h
@@ -60,6 +60,8 @@ ui::MenuGroup menu_misc;
 ui::Container view;
 //
 
+  bool input_ready();
+
   bool message(uint id, uintptr_t param = 0);
   void setup();
   void setup_menu();