Update README.md

remove dependency on PS2Keyboard

README.md

@@ -44,10 +44,6 @@ These are optional if the target board supports it (e.g., esp8266 or esp32 board
 - [Rei Vilo's port](https://github.com/rei-vilo/SD_TM4C) of Adafruit/Sparkfun's [SD library](https://github.com/adafruit/SD),
 - [My port](https://github.com/jscrane/SpiRAM) of Phil Stewart's [SpiRAM library](http://playground.arduino.cc/Main/SpiRAM)
 
-Input
-------
-- [PS2Keyboard](https://github.com/jscrane/PS2Keyboard)
-
 Hardware
 ---------
 - A [Stellaris Launchpad](http://www.energia.nu/Guide_StellarisLaunchPad.html) _or_ 
@@ -57,4 +53,3 @@ ESP32-based board, e.g., [Node32s](https://www.esp32.com/viewtopic.php?t=459),
 - A 23k256 SPI RAM chip (for Stellarpad, optional),
 - A supported TFT screen, such as [this one](http://forum.stellarisiti.com/topic/626-ssd1289-32-320x240-tft-16bit-parallel-interface-touch-libraries/),
 - A PS/2 keyboard.
-

display.cpp

@@ -61,6 +61,11 @@ void Display::begin(colour_t bg, colour_t fg, orientation_t orient, unsigned dis
 	_yoff = (_dy - dispy) / 2;
 	_dx -= _xoff;
 	_dy -= _yoff;
+
+#if defined(DEBUGGING)
+	Serial.printf("xoff %d yoff %d dx %d dy %d", _xoff, _yoff, _dx, _dy);
+	Serial.println();
+#endif
 }
 
 void Display::begin(colour_t bg, colour_t fg, orientation_t orient) {
@@ -92,7 +97,7 @@ void Display::begin(colour_t bg, colour_t fg, orientation_t orient) {
 		vga.end();
 	init = true;
 	vga.begin();
-	vga.setResolution(VGA_480x300_75Hz);
+	vga.setResolution(VGA_RESOLUTION);
 
 	canvas.setBrushColor(rgb(_bg));
 	canvas.clear();
@@ -102,6 +107,12 @@ void Display::begin(colour_t bg, colour_t fg, orientation_t orient) {
 	_cx = canvas.getFontInfo()->width;
 	_dx = canvas.getWidth();
 	_dy = canvas.getHeight();
+
+
+#if defined(DEBUGGING)
+	Serial.printf("w %d h %d", _dx, _dy);
+	Serial.println();
+#endif
 #endif
 
 	setColor(fg);

hardware.h

@@ -15,7 +15,7 @@ void hardware_init(class CPU &);
 void hardware_checkpoint(class Stream &);
 void hardware_restore(class Stream &);
 
-#ifdef __PS2DRV_H__
+#if defined(__PS2DRV_H__) && defined(USE_KBD)
 extern class PS2Driver ps2;
 #endif
 #if defined(__SPIRAM_H__) && defined(USE_SPIRAM)

hw/ttgo-t7-v14-mini32.h

@@ -3,6 +3,10 @@
 
 // Display
 #define USE_VGA
+#if !defined(VGA_RESOLUTION)
+#define VGA_RESOLUTION	VGA_480x300_75Hz
+//#define VGA_RESOLUTION	VGA_320x200_75HzRetro
+#endif
 
 // PS/2 Keyboard
 #define USE_KBD