From 1994e4fdb4225e09d202c988fe0eaba7ba213e5b Mon Sep 17 00:00:00 2001
From: Jared Young <g42makes-github@gits.org>
Date: Mon, 4 Nov 2019 03:09:57 +0000
Subject: [PATCH] input working, double chars for now(next thing to figure
 out), can now quite with ctrl-D

---
 mp-s7-src/main.cc          |  1 +
 mp-s7-src/retro/Console.cc | 21 +++++++++++++++++++++
 mp-s7-src/retro/Console.h  |  1 +
 3 files changed, 23 insertions(+)

diff --git a/mp-s7-src/main.cc b/mp-s7-src/main.cc
index 50f0c9b..9e071f0 100644
--- a/mp-s7-src/main.cc
+++ b/mp-s7-src/main.cc
@@ -98,6 +98,7 @@ extern "C" void gc_collect(void) {
 // Receive single character
 int mp_hal_stdin_rx_chr(void) {
     unsigned char c = 0;
+    c = retro::Console::currentInstance->ReadChar();
     return c;
 }
 
diff --git a/mp-s7-src/retro/Console.cc b/mp-s7-src/retro/Console.cc
index bc10bf5..47d4b79 100644
--- a/mp-s7-src/retro/Console.cc
+++ b/mp-s7-src/retro/Console.cc
@@ -326,6 +326,27 @@ std::string Console::ReadLine()
     return buffer;
 }
 
+char Console::ReadChar()
+{
+    if(!consolePort)
+        return 0;
+
+    char c;
+
+    c = WaitNextChar();
+    if(!c)
+    {
+        eof = true;
+        return 0;
+    }
+
+    if(c == '\r')
+        c = '\n';
+
+    putch(c);
+    return c;
+}
+
 void Console::InvalidateCursor()
 {
     if(cursorDrawn)
diff --git a/mp-s7-src/retro/Console.h b/mp-s7-src/retro/Console.h
index d94417c..7792e6c 100644
--- a/mp-s7-src/retro/Console.h
+++ b/mp-s7-src/retro/Console.h
@@ -40,6 +40,7 @@ namespace retro
 
         void write(const char *s, int n);
         std::string ReadLine();
+	char ReadChar();
 
         static Console *currentInstance;