Merge pull request #7 from fstark/master

Added support for AUTOTYPING.TXT with Shift-K

AUTOTYPING.TXT

@@ -0,0 +1,4 @@
+E000R
+10 PRINT "HELLO, WORLD! ";
+20 GOTO 10
+RUN

README

@@ -59,7 +59,7 @@ type E2B3R<enter>
 - Emulator commands
 
 Command      Key        Description
---------------------------------------------------------------------
+---------------------------------------------------------------------------
 Basic load   Shidt + B  Load rom/basic.rom to ram
 Dump core    Shift + D  Dump memory to core/_file name_ 
 Load core    Shift + L  Load memory from core/_file name_ 
@@ -67,6 +67,7 @@ Reset        Shift + R  Reset the emulator
 Hard reset   Shidt + H  Reset & Clear memory
 Quit         Shidt + Q  Quit the emulator
 Mode         Shift + M  Mode change 8KB & 32KB ram mode
+             Shift + K  Automatically type in AUTOTYPING.TXT file if present
 
 - Load / Save programs
 

src/keyboard.c

@@ -25,6 +25,43 @@
 #include "keyboard.h"
 #include "screen.h"
 
+#include <stdio.h>
+
+FILE *autotyping_file = NULL;
+
+int startAutotyping(const char *filename)
+{
+	if (autotyping_file)
+		stopAutotyping();
+	autotyping_file = fopen(filename, "r");
+	return !!autotyping_file;
+}
+
+int nextAutotyping(void)
+{
+	if (!autotyping_file)
+		return -1;
+	int c = fgetc(autotyping_file);
+	if (c!=EOF) {
+		if (c=='\n')
+			c = 0x0d;
+		if (c>='a' && c<='z')
+			c = c - 'a' + 'A';
+		writeKbd((unsigned char)(c + 0x80));
+		writeKbdCr(0xA7); 
+	}
+	else
+		stopAutotyping();
+	return c;
+}
+
+void stopAutotyping(void)
+{
+	if (autotyping_file)
+		fclose(autotyping_file);
+	autotyping_file = NULL;
+}
+
 int handleInput(void)
 {
 	char tmp;
@@ -32,7 +69,11 @@ int handleInput(void)
 	tmp = '\0';
 	while ( (tmp = getch_screen()) == '\0' )
 		;
-	if (tmp == 'B') {
+	if (tmp=='K') {
+		if (startAutotyping("AUTOTYPING.TXT"))
+			return 1;
+	}
+	else if (tmp == 'B') {
 		loadBasic();
 		resetPia6820();
 		resetM6502();

src/keyboard.h

@@ -20,3 +20,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 int handleInput(void);
+int startAutotyping(const char *filename);
+int nextAutotyping(void);
+void stopAutotyping(void);

src/memory.c

@@ -82,6 +82,7 @@
 #include "memory.h"
 #include "screen.h"
 #include "msgbuf.h"
+#include "keyboard.h"
 
 #define MEMMAX 0xFFFF
 #define FNAME_LEN_MAX 1024
@@ -161,8 +162,12 @@ unsigned char memRead(unsigned short address)
 		return readDspCr();
 	if (address == 0xD012)
 		return readDsp();
-	if (address == 0xD011)
-		return readKbdCr();
+	if (address == 0xD011) {
+		unsigned char v = readKbdCr();
+		if (!(v & 0x80))
+			nextAutotyping();
+		return v;
+	}
 	if (address == 0xD010)
 		return readKbd();