; Grammer's Interrupt Service Routine (ISR)
Interrupt:
  push af
  push bc
  push de
  push hl
  in a, (4)
  cpl
  out (3),a
  cpl
  out (3),a

  rra     ;bit 0
  call c,interruptON
  rra     ;bit 1
  call c,interruptTimer1
  rra     ;bit 2
  call c,interruptTimer2
  rra     ;bit 3
  rra     ;bit 4
;    call c,interruptLink
  call getKey_interrupt

;  bit inthook,(iy+34)
;  call z,gHook
  pop hl
  pop de
  pop bc
  pop af
  ei
  ret
;gHook:
;runs the Grammer code set to interrupt
;  ret
interruptON:
  ret
interruptTimer1:
  ret
interruptTimer2:
  ret
getKey_interrupt:
  ret