fixes, graphic acceleration commands, upscaling pixels

crsn/src/asm/parse/arg_parser.rs

@@ -45,8 +45,12 @@ impl<'a> TokenParser<'a> {
     /// Get error if not empty.
     /// The argument is substituted into the phrase "Instruction needs ...!" - i.e. "one Wr argument and a list or string"
     pub fn ensure_empty(&self, what_arguments : &str) -> Result<(), CrsnError> {
+        self.ensure_empty_custom(&format!("Instruction needs {}!", what_arguments))
+    }
+
+    pub fn ensure_empty_custom(&self, msg : &str) -> Result<(), CrsnError> {
         if self.have_more() {
-            Err(CrsnError::Parse(format!("Instruction needs {}!", what_arguments).into(), self.start_pos.clone()))
+            Err(CrsnError::Parse(msg.to_string().into(), self.start_pos.clone()))
         } else {
             Ok(())
         }

crsn/src/runtime/run_thread/state.rs

@@ -115,10 +115,12 @@ impl RunState {
     }
 
     /// Read a `Rd` value
+    #[inline]
     pub fn read(&mut self, rd: impl Into<Rd>) -> Result<Value, Fault> {
         let rd = rd.into();
         // TODO dedupe
         match rd.0 {
+            RdData::Immediate(v) => Ok(v),
             RdData::Register(Register::Gen(rn)) => {
                 if likely(rn < REG_COUNT as u8) {
                     trace!("Rd {:?} = {}", rd, self.frame.gen[rn as usize]);
@@ -135,7 +137,6 @@ impl RunState {
                     Err(Fault::RegisterNotExist { reg: Register::Global(rn) })
                 }
             }
-            RdData::Immediate(v) => Ok(v),
             RdData::Register(Register::Arg(rn)) => {
                 if likely(rn < REG_COUNT as u8) {
                     trace!("Rd {:?} = {}", rd, self.frame.arg[rn as usize]);