From 1deb00495d2b7ab19dc29ed2b25c284e56acc85b Mon Sep 17 00:00:00 2001
From: Thiago Auler dos Santos <thiagoauler@gmail.com>
Date: Wed, 22 Nov 2017 23:28:49 -0200
Subject: [PATCH] accepting numbers, text, and other symbols as user input

---
 src/interface.c | 4 +++-
 src/opcodes.c   | 7 +++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/interface.c b/src/interface.c
index 7019243..450facb 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -16,7 +16,9 @@ void input()
 {
     int ch = getch();
     if (ch == '\n') { ch = '\r'; }
-    if (ch == '\r' || (ch >= '0' && ch <= '9'))
+    if (ch == '\r' || ch == '.' || ch == ':' ||
+       (ch >= '0' && ch <= '9') ||
+       (ch >= 'A' && ch <= 'Z'))
     {
         keyboard_buffer  = ch | 0x80;
         keyboard_control = 0xFF;
diff --git a/src/opcodes.c b/src/opcodes.c
index ee3fb74..45a05cd 100644
--- a/src/opcodes.c
+++ b/src/opcodes.c
@@ -95,7 +95,7 @@ void fetch_operand()
 
 void adjustNZ(db r)
 {
-    if (r == 0) { Z_SET; } else { Z_UNSET;}
+    if (r == 0) { Z_SET; } else { Z_UNSET; }
     r = r >> 7;
     if (r == 1) { N_SET; } else { N_UNSET; } 
 }
@@ -110,7 +110,7 @@ db adder(db a, db b)
     db z = (a + b + C_IS_SET) >> 7;
     db v =  c ^ z;
     
-    if (c == 1) { C_SET; } else { C_UNSET;}
+    if (c == 1) { C_SET; } else { C_UNSET; }
     if (v == 1) { V_SET; } else { V_UNSET; } 
         
     adjustNZ(r);
@@ -307,6 +307,7 @@ void clv()
 void cmp()
 {
     // compare memory with accumulator
+    C_SET;
     fetch_operand();
     operand = operand ^ 0xFF;
     adder(ac, operand);
@@ -315,6 +316,7 @@ void cmp()
 void cpx()
 {
     // compare memory and index x
+    C_SET;
     fetch_operand();
     operand = operand ^ 0xFF;
     adder(x, operand);
@@ -323,6 +325,7 @@ void cpx()
 void cpy()
 {
     // compare memory and index y
+    C_SET;
     fetch_operand();
     operand = operand ^ 0xFF;
     adder(y, operand);