From 3738e41d2db8c058c684ab602309c98464d8e6f6 Mon Sep 17 00:00:00 2001 From: Loic Guegan Date: Tue, 26 Dec 2023 09:21:34 +0100 Subject: Minor changes --- src/vcpu.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) (limited to 'src/vcpu.c') diff --git a/src/vcpu.c b/src/vcpu.c index 1f36b68..11181f0 100644 --- a/src/vcpu.c +++ b/src/vcpu.c @@ -212,17 +212,15 @@ void VCPUExecute(){ if(State.V[State.X]&0x0F == State.keypress&0xF){ State.PC+=2; } - State.keypress=-1; } + State.keypress=-1; }else if(State.NN==0xA1){ // Skip if not keypress in VX + State.PC+=2; // First skip if(State.keypress >=0){ - if(State.V[State.X]&0x0F != State.keypress&0xF){ - State.PC+=2; - } - State.keypress=-1; + if(State.V[State.X]&0x0F == State.keypress&0x0F) + State.PC+=2; // Ignore skip if pressed } - else - State.PC+=2; + State.keypress=-1; } break; @@ -237,8 +235,8 @@ void VCPUExecute(){ State.V[State.X]=State.keypress&0xF; if(State.V[State.X]&0x0F != State.keypress&0xF){ State.PC+=2; - State.keypress=-1; } + State.keypress=-1; } else State.PC-=2; // Go back to last instruction (loop until key is pressed) -- cgit v1.2.3