Merge pull request #147 from TG9541/dual-uart

fixes #143 simulated serial full duplex
TG9541 · Jan 19, 2018 · 8f56ecc · 8f56ecc
2 parents 4d46d6d + 25496a0
commit 8f56ecc
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/forth.asm b/forth.asm
@@ -151,7 +151,11 @@
 
         ; console configuration: check if TX simulation has priority over UART
         .ifge   HAS_TXSIM - HAS_TXUART
-        CONSOLE_HALF_DUPLEX = 1 ; RX/TX simulation always behaves like half duplex
+        .ifeq  PNTX-PNRX
+        CONSOLE_HALF_DUPLEX = 1 ; single wire RX/TX simulation is half duplex
+        .else
+        CONSOLE_HALF_DUPLEX = 0 ; RX/TX simulation supports full duplex
+        .endif
         .else
         CONSOLE_HALF_DUPLEX = HALF_DUPLEX ; use hardware UART settings
         .endif