Bump to 0.2.0

Cargo.toml

@@ -1,9 +1,19 @@
 [package]
 name = "dmd_core"
-version = "0.1.0"
+description = "AT&T / Teletype DMD 5620 Terminal Emulator - Core Library"
+version = "0.2.0"
 authors = ["Seth Morabito <web@loomcom.com>"]
+homepage = "https://github.com/sethm/dmd_core"
+repository = "https://github.com/sethm/dmd_core"
+readme = "README.md"
 edition = "2018"
+license = "MIT"
+categories = ["simulation"]
 
 [dependencies]
 lazy_static = "^1.2.0"
-log = "0.4"
+
+[badges]
+travic-ci = { repository = "https://github.com/sethm/dmd_core", branch = "master" }
+
+maintenance = { status = "actively-developed" }

src/bus.rs

@@ -204,6 +204,10 @@ impl Bus {
     pub fn rx_ready(&self) -> bool {
         self.duart.rx_ready()
     }
+
+    pub fn duart_output(&self) -> u8 {
+        self.duart.output_port()
+    }
 }
 
 #[cfg(test)]

src/cpu.rs

@@ -1622,7 +1622,6 @@ impl Cpu {
                 self.set_v_flag_op(result, 2);
             }
             _ => {
-                trace!("Unhandled opcode: {:?}", self.ir);
                 return Err(CpuError::Exception(CpuException::IllegalOpcode));
             }
         };

src/dmd.rs

@@ -143,6 +143,13 @@ impl Dmd {
     pub fn mouse_up(&mut self, button: u8) {
         self.bus.mouse_up(button);
     }
+
+    ///
+    /// Return the current state of the DUART's Output Port
+    ///
+    pub fn duart_output(&self) -> u8 {
+        self.bus.duart_output()
+    }
 }
 
 #[cfg(test)]

src/duart.rs

@@ -49,6 +49,8 @@ const CSRB: u8 = 0x27;
 const CRB: u8 = 0x2b;
 const THRB: u8 = 0x2f;
 const IP_OPCR: u8 = 0x37;
+const OPBITS_SET: u8 = 0x3b;
+const OPBITS_RESET: u8 = 0x3f;
 
 
 //
@@ -110,6 +112,7 @@ pub struct Duart {
     acr: u8,
     ipcr: u8,
     inprt: u8,
+    outprt: u8,
     istat: u8,
     imr: u8,
     ivec: u8,
@@ -151,6 +154,7 @@ impl Duart {
             acr: 0,
             ipcr: 0x40,
             inprt: 0xb,
+            outprt: 0,
             istat: 0,
             imr: 0,
             ivec: 0,
@@ -212,6 +216,11 @@ impl Duart {
         }
     }
 
+    pub fn output_port(&self) -> u8 {
+        // The output port always returns a complement of the bits
+        !self.outprt
+    }
+
     pub fn tx_poll(&mut self) -> Option<u8> {
         self.tx_queue.pop_back()
     }
@@ -510,6 +519,12 @@ impl Device for Duart {
             IP_OPCR => {
                 // Not implemented
             }
+            OPBITS_SET => {
+                self.outprt |= val;
+            }
+            OPBITS_RESET => {
+                self.outprt &= !val;
+            }
             _ => {}
         };
 

src/lib.rs

@@ -1,6 +1,3 @@
-#[macro_use]
-mod macros;
-
 pub mod bus;
 pub mod cpu;
 pub mod dmd;
@@ -13,10 +10,4 @@ pub mod rom_hi;
 pub mod rom_lo;
 
 #[macro_use]
-extern crate lazy_static;
-
-use std::time::Instant;
-
-lazy_static! {
-    pub static ref START_TIME: Instant = Instant::now();
-}
+extern crate lazy_static;

src/macros.rs

@@ -1,6 +0,0 @@
-#[macro_export]
-macro_rules! trace {
-    ($($arg:expr),*) => {{
-      println!("[{:?}] {}", $crate::START_TIME.elapsed(), format!($($arg),*));
-    }};
-}