From faad4c5752ee01186840c0703da731e1607eb871 Mon Sep 17 00:00:00 2001
From: Dreaded_X <tim.huizinga@gmail.com>
Date: Mon, 18 Jan 2021 18:01:18 +0100
Subject: [PATCH] Added platform specific fast put_char and put_string routines

---
 include/console.h |  2 ++
 src/console.c     | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/include/console.h b/include/console.h
index 01d792b..263c19b 100644
--- a/include/console.h
+++ b/include/console.h
@@ -5,3 +5,5 @@ char get_char();
 
 void put_string(char* s);
 
+void put_char_fast(char c);
+void put_string_fast(char* s);
diff --git a/src/console.c b/src/console.c
index f3ac80e..badb5c6 100644
--- a/src/console.c
+++ b/src/console.c
@@ -21,9 +21,37 @@ void put_char(char c)  __naked {
 	__endasm;
 }
 
+void put_char_fast(char c)  __naked {
+	c;
+	__asm
+	conout:
+		in a, (0x03)
+		and #0x01
+		jp z, debug
+
+		ld iy, #2
+		add iy, sp
+		ld a, 0(iy)
+
+		out (0x02), a
+		ret
+	debug:
+		ld a, #0
+		out (0xFF), a
+		jp conout
+	__endasm;
+}
+
 void put_string(char* s) {
 	while (*s) {
 		put_char(*s);
 		s++;
 	}
 }
+
+void put_string_fast(char* s) {
+	while (*s) {
+		put_char_fast(*s);
+		s++;
+	}
+}