; zero page ; pre-defined applesoft vars HGR_BITS = $1C CH = $24 CV = $25 GBASL = $26 GBASH = $27 BASL = $28 BASH = $29 AY_REGS = $70 ; through = $7D FRAME = $80 BAMP_COUNTDOWN = $81 WHICH_TRACK = $82 SONG_COUNTDOWN = $83 OUR_ROT = $A5 HGR_X = $E0 HGR_XH = $E1 HGR_Y = $E2 HGR_COLOR = $E4 HGR_PAGE = $E6 HGR_SCALE = $E7 OUTL = $F4 OUTH = $F5 LINE = $F6 SAVE_Y = $F7 LETTER_X = $F8 LETTER_Y = $F9 COUNT = $FA INL = $FD INH = $FE TEMP = $FF