From ed433f95a507deec23137808266888d66ca76945 Mon Sep 17 00:00:00 2001
From: Logan McNaughton <848146+loganmc10@users.noreply.github.com>
Date: Wed, 9 Aug 2023 19:54:07 -0600
Subject: [PATCH] update parallel rsp

---
 parallel-rsp/parallel.cpp | 1 -
 parallel-rsp/rsp/cp0.cpp  | 4 ----
 parallel-rsp/rsp_jit.cpp  | 5 +----
 parallel-rsp/state.hpp    | 1 -
 4 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/parallel-rsp/parallel.cpp b/parallel-rsp/parallel.cpp
index e952c9d..70d213c 100644
--- a/parallel-rsp/parallel.cpp
+++ b/parallel-rsp/parallel.cpp
@@ -85,7 +85,6 @@ extern "C"
 		// Run CPU until we either break or we need to fire an IRQ.
 		RSP::cpu.get_state().pc = *RSP::rsp.SP_PC_REG & 0xfff;
 		RSP::cpu.get_state().instruction_count = 0;
-		RSP::cpu.get_state().did_mfc0 = 0;
 
 #ifdef INTENSE_DEBUG
 		fprintf(stderr, "RUN TASK: %u\n", RSP::cpu.get_state().pc);
diff --git a/parallel-rsp/rsp/cp0.cpp b/parallel-rsp/rsp/cp0.cpp
index b3b683a..c95712a 100644
--- a/parallel-rsp/rsp/cp0.cpp
+++ b/parallel-rsp/rsp/cp0.cpp
@@ -26,18 +26,14 @@ extern "C"
 			rsp->sr[rt] = res;
 
 #ifdef PARALLEL_INTEGRATION
-		// WAIT_FOR_CPU_HOST. From CXD4.
 		if (rd == CP0_REGISTER_SP_RESERVED)
 		{
-			rsp->instruction_count += 4; // Needed for DK64
 			*rsp->cp0.cr[CP0_REGISTER_SP_RESERVED] = 1;
-			rsp->did_mfc0 = 1;
 			return MODE_EXIT;
 		}
 		// We don't return control to the CPU if the RDP FREEZE bit is set, doing so seems to cause flickering
 		else if (rd == CP0_REGISTER_SP_STATUS && (*rsp->cp0.cr[CP0_REGISTER_CMD_STATUS] & DPC_STATUS_FREEZE) == 0)
 		{
-			rsp->did_mfc0 = 1;
 			return MODE_EXIT;
 		}
 #endif
diff --git a/parallel-rsp/rsp_jit.cpp b/parallel-rsp/rsp_jit.cpp
index 951e8e3..8758d32 100644
--- a/parallel-rsp/rsp_jit.cpp
+++ b/parallel-rsp/rsp_jit.cpp
@@ -1996,10 +1996,7 @@ ReturnMode CPU::run()
 			return static_cast<ReturnMode>(ret);
 
 		default:
-			if (state.did_mfc0)
-				return static_cast<ReturnMode>(MODE_EXIT);
-			else
-				break;
+			break;
 		}
 	}
 }
diff --git a/parallel-rsp/state.hpp b/parallel-rsp/state.hpp
index 2169819..185b38c 100644
--- a/parallel-rsp/state.hpp
+++ b/parallel-rsp/state.hpp
@@ -145,7 +145,6 @@ struct CPUState
 	uint32_t instruction_count = 0;
 	uint32_t last_instruction_type = 0;
 	uint32_t instruction_pipeline = 0;
-	uint32_t did_mfc0 = 0;
 	uint32_t dirty_blocks = 0;
 	static_assert(CODE_BLOCKS <= 32, "Code blocks must fit in 32-bit register.");