Add copies of programmers back in :-(

Apparently due to what seems to be a bug in the IDE, the correct
avrdude.conf will only be used for upload-using-programmer when a third
party programmer is selected.

Author: SpenceKonde

README.md

@@ -13,6 +13,8 @@ This core supports the following processors:
 * ATTiny87, 167 (probably working, lightly tested)
 * ATTiny48, 88 (probably working, lightly tested)
 
+*When uploading sketches via ISP, due to limitations of the Arduino IDE, you must select a programmer marked ATTiny Classic or ATTiny Modern from the programmers menu (or any other programmer added by an installed third party core) in order to upload properly to most parts.*
+
 
 ### Installation:
 

avr/programmers.txt

@@ -1,2 +1,30 @@
 
+avrisp.name=AVR ISP (ATtiny Classic)
+avrisp.communication=serial
+avrisp.protocol=stk500v1
 
+#avrispmkii.name=AVRISP mkII (ATtiny Classic)
+#avrispmkii.communication=usb
+#avrispmkii.protocol=stk500v2
+
+#usbtinyisp.name=USBtinyISP (ATtiny Classic)
+#usbtinyisp.protocol=usbtiny
+
+usbasp.name=USBasp (ATtiny Classic)
+usbasp.communication=usb
+usbasp.protocol=usbasp
+usbasp.program.tool=avrdude
+
+#parallel.name=Parallel Programmer (ATtiny Classic)
+#parallel.protocol=dapa
+#parallel.force=true
+# parallel.delay=200
+
+arduinoasisp.name=Arduino/Leo as ISP (ATtiny Classic)
+arduinoasisp.communication=serial
+arduinoasisp.protocol=arduino
+arduinoasisp.speed=19200
+arduinoasisp.program.protocol=arduino
+arduinoasisp.program.speed=19200
+arduinoasisp.program.tool=avrdude
+arduinoasisp.program.extra_params=-P{serial.port} -b{program.speed}