From 74f3a4d949b1b9f46fe78367414fb3fd49d0c29c Mon Sep 17 00:00:00 2001
From: folkert van heusden <mail@vanheusden.com>
Date: Fri, 12 Apr 2024 21:06:23 +0200
Subject: [PATCH] no SP update in MMR1 for M.P.?

---
 cpu.cpp | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/cpu.cpp b/cpu.cpp
index c609a9f..1609988 100644
--- a/cpu.cpp
+++ b/cpu.cpp
@@ -1311,9 +1311,6 @@ bool cpu::single_operand_instructions(const uint16_t instr)
 
 					 // put on current stack
 					 pushStack(v);
-
-					 b->addToMMR1(-2, 6);
-
 					 break;
 				 }
 
@@ -1322,7 +1319,6 @@ bool cpu::single_operand_instructions(const uint16_t instr)
 
 					 // retrieve word from '15/14'-stack
 					 uint16_t v             = popStack();
-					 b->addToMMR1(2, 6);
 
 					 bool     set_flags     = true;