Standardizes build process and adds OVERVIEW.md for each

Balloon Fight (JU)/copilot/symbols.inc

@@ -0,0 +1,52 @@
+; PPU registers 
+PPUCTRL = $2000
+PPUMASK = $2001
+PPUSTATUS = $2002
+OAMADDR = $2003
+OAMDATA = $2004
+PPUSCROLL = $2005
+PPUADDR = $2006
+PPUDATA = $2007
+OAMDMA = $4014
+JOY1 = $4016
+JOY2 = $4017
+
+APUPC1BASE = $4000
+APUPC1SWEEP = $4001
+APUPC1TLOW = $4002
+APUPC1THIGH = $4003
+
+APUPC2BASE = $4004
+APUPC2SWEEP = $4005
+APUPC2LOW = $4006
+APUPC2HIGH = $4007
+
+APUTRIBASE = $4008
+APUTRILOW = $400A
+APUTRIHIGH = $400B
+
+APUNOISEBASE = $400C
+APUNOISELOOP = $400E
+APUNOISELENGTH = $400F
+
+APUDMABASE = $4010
+APUDMALOAD = $4011
+APUDMAADDR = $4012
+APUDMALEN = $4013
+
+APUCTRL = $4015
+APUSTATUS = $4015
+APUFRAMECNT = $4017
+
+; Controller Masks
+PAD_RIGHT=$01
+PAD_LEFT=$02
+PAD_DOWN=$04
+PAD_UP=$08
+PAD_START=$10
+PAD_SELECT=$20
+PAD_B=$40
+PAD_A=$80
+PAD_HORIZONTAL=PAD_LEFT|PAD_RIGHT
+PAD_VERTICAL=PAD_UP|PAD_DOWN
+PAD_DPAD=PAD_HORIZONTAL|PAD_VERTICAL