arbitrarily slash the size of most libsnes cothreads significantly, decreasing overall state size from 10MB to 7MB

waterbox/libsnes/bsnes/snes/alt/cpu/cpu.cpp

@@ -113,7 +113,7 @@ void CPU::power() {
 }
 
 void CPU::reset() {
-  create(Enter, system.cpu_frequency());
+  create(Enter, system.cpu_frequency(), 16384);
   coprocessors.reset();
   PPUcounter::reset();
 

waterbox/libsnes/bsnes/snes/alt/ppu-compatibility/ppu.cpp

@@ -345,7 +345,7 @@ void PPU::power() {
 }
 
 void PPU::reset() {
-  create(Enter, system.cpu_frequency());
+  create(Enter, system.cpu_frequency(), 32768);
   PPUcounter::reset();
   memset(surface, 0, 512 * 512 * sizeof(uint32));
 

waterbox/libsnes/bsnes/snes/chip/armdsp/armdsp.cpp

@@ -155,7 +155,7 @@ void ArmDSP::reset() {
 }
 
 void ArmDSP::arm_reset() {
-  create(ArmDSP::Enter, 21477272);
+  create(ArmDSP::Enter, 21477272, 8192);
 
   bridge.ready = false;
   bridge.timer = 0;

waterbox/libsnes/bsnes/snes/chip/hitachidsp/hitachidsp.cpp

@@ -58,7 +58,7 @@ void HitachiDSP::power() {
 }
 
 void HitachiDSP::reset() {
-  create(HitachiDSP::Enter, frequency);
+  create(HitachiDSP::Enter, frequency, 8192);
   state = State::Idle;
 
   regs.n = 0;

waterbox/libsnes/bsnes/snes/chip/icd2/icd2.cpp

@@ -45,7 +45,7 @@ void ICD2::power() {
 }
 
 void ICD2::reset() {
-  create(ICD2::Enter, cpu.frequency / 5);
+  create(ICD2::Enter, cpu.frequency / 5, 16384);
 
   r6000_ly = 0x00;
   r6000_row = 0x00;

waterbox/libsnes/bsnes/snes/chip/link/link.cpp

@@ -44,7 +44,7 @@ void Link::power() {
 
 void Link::reset() {
   if(link_reset) link_reset();
-  create(Link::Enter, frequency);
+  create(Link::Enter, frequency, 8192);
 }
 
 uint8 Link::read(unsigned addr) {

waterbox/libsnes/bsnes/snes/chip/msu1/msu1.cpp

@@ -63,7 +63,7 @@ void MSU1::power() {
 }
 
 void MSU1::reset() {
-  create(MSU1::Enter, 44100);
+  create(MSU1::Enter, 44100, 16384);
 
   mmio.data_offset  = 0;
   mmio.audio_offset = 0;

waterbox/libsnes/bsnes/snes/chip/necdsp/necdsp.cpp

@@ -275,7 +275,7 @@ void NECDSP::power() {
 }
 
 void NECDSP::reset() {
-  create(NECDSP::Enter, frequency);
+  create(NECDSP::Enter, frequency, 8192);
 
   for(unsigned n = 0; n < 16; n++) regs.stack[n] = 0x0000;
   regs.pc = 0x0000;

waterbox/libsnes/bsnes/snes/chip/sa1/sa1.cpp

@@ -130,7 +130,7 @@ void SA1::power() {
 }
 
 void SA1::reset() {
-  create(SA1::Enter, system.cpu_frequency());
+  create(SA1::Enter, system.cpu_frequency(), 8192);
 
   cpubwram.dma = false;
   for(unsigned addr = 0; addr < iram.size(); addr++) {

waterbox/libsnes/bsnes/snes/chip/superfx/superfx.cpp

@@ -53,7 +53,7 @@ void SuperFX::power() {
 }
 
 void SuperFX::reset() {
-  create(SuperFX::Enter, system.cpu_frequency());
+  create(SuperFX::Enter, system.cpu_frequency(), 16384);
   instruction_counter = 0;
 
   for(unsigned n = 0; n < 16; n++) regs.r[n] = 0x0000;

waterbox/libsnes/bsnes/snes/controller/controller.cpp

@@ -47,7 +47,7 @@ void Controller::iobit(bool data) {
 }
 
 Controller::Controller(bool port) : port(port) {
-  if(!thread) create(Controller::Enter, 1);
+  if(!thread) create(Controller::Enter, 1, 4096);
 }
 
 

waterbox/libsnes/bsnes/snes/controller/justifier/justifier.cpp

@@ -99,7 +99,7 @@ void Justifier::latch(bool data) {
 }
 
 Justifier::Justifier(bool port, bool chained) : Controller(port), chained(chained) {
-  create(Controller::Enter, 21477272);
+  create(Controller::Enter, 21477272, 8192);
   latched = 0;
   counter = 0;
   active = 0;

waterbox/libsnes/bsnes/snes/controller/superscope/superscope.cpp

@@ -99,7 +99,7 @@ void SuperScope::latch(bool data) {
 }
 
 SuperScope::SuperScope(bool port) : Controller(port) {
-  create(Controller::Enter, 21477272);
+  create(Controller::Enter, 21477272, 8192);
   latched = 0;
   counter = 0;
 

waterbox/libsnes/bsnes/snes/controller/usart/usart.cpp

@@ -92,7 +92,7 @@ USART::USART(bool port) : Controller(port) {
   if(0 /*open_absolute(filename)*/) {
     init = sym("usart_init");
     main = sym("usart_main");
-    if(init && main) create(Controller::Enter, 1000000);
+    if(init && main) create(Controller::Enter, 1000000, 8192);
   }
 }
 

waterbox/libsnes/bsnes/snes/cpu/cpu.cpp

@@ -138,7 +138,7 @@ void CPU::power() {
 }
 
 void CPU::reset() {
-  create(Enter, system.cpu_frequency());
+  create(Enter, system.cpu_frequency(), 16384);
   coprocessors.reset();
   PPUcounter::reset();
 

waterbox/libsnes/bsnes/snes/smp/smp.cpp

@@ -60,7 +60,7 @@ void SMP::power() {
 }
 
 void SMP::reset() {
-  create(Enter, system.apu_frequency());
+  create(Enter, system.apu_frequency(), 16384);
 
   regs.pc = 0xffc0;
   regs.a = 0x00;

waterbox/libsnes/bsnes/snes/snes.hpp

@@ -23,9 +23,9 @@ namespace SNES {
     unsigned frequency;
     int64 clock;
 
-    inline void create(void (*entrypoint)(), unsigned frequency) {
+    inline void create(void (*entrypoint)(), unsigned frequency, int size) {
       if(thread) co_delete(thread);
-      thread = co_create(65536 * sizeof(void*), entrypoint);
+      thread = co_create(size * sizeof(void*), entrypoint);
       this->frequency = frequency;
       clock = 0;
     }

waterbox/libsnes/bsnes/target-libsnes/libsnes_pwrap.cpp

@@ -604,7 +604,7 @@ EXPORT void* DllInit()
 		co_delete(co_emu);
 		co_emu = nullptr;
 	}
-	co_emu = co_create(65536 * sizeof(void*), new_emuthread);
+	co_emu = co_create(32768 * sizeof(void*), new_emuthread);
 
 	return &comm;
 }