$FCF1	JMP to cartridge IRQ routine
$FCF4	JMP to PHOENIX routine
$FCF7	JMP to LONG FETCH routine
$FCFA	JMP to LONG JUMP routine
$FCFD	JMP to LONG IRQ routine

$FF49	JMP to define function key routine
$FF4C	JMP to PRINT routine
$FF4F	JMP to PRIMM routine
$FF52	JMP to ENTRY routine
$FF80	RELEASE # OF KERNAL (MSB: 0 = NTSC ; 1 = PAL)

$FF81	CINT (Initialize screen editor)
$FF84	IOINIT (Initialize I/O devices)
$FF87	RAMTAS (Ram test)
$FF8A	RESTOR (Restore vectors to initial values)
$FF8D	VECTOR (Change vectors for user)
$FF90	SETMSG (Control O.S. messages)
$FF93	SECND (Send SA after LISTEN)
$FF96	TKSA (Send SA after TALK)
$FF99	MEMTOP (Set/Read top of memory)
$FF9C	MEMBOT (Set/Read bottom of memory)
$FF9F	SCNKEY (Scan keyboard)
$FFA2	SETTMO (Set timeout in DMA disk)
$FFA5	ACPTR (Handshake serial bus or DMA disk byte in)
$FFA8	CIOUT (Handshake serial bus or DMA disk byte out)
$FFAB	UNTLR (Send UNTALK out serial bus or DMA disk)
$FFAE	UNLSN (Send UNLISTEN out serial bus or DMA disk)
$FFB1	LISTN (Send LISTEN out serial bus or DMA disk)
$FFB4	TALK (Send TALK out serial bus or DMA disk)
$FFB7	READSS (Return I/O STATUS byte)
$FFBA	SETLFS (Set LA, FA, SA)
$FFBD	SETNAM (Set length and filename address)
$FFC0	OPEN (Open logical file)
$FFC3	CLOSE (Close logical file)
$FFC6	CHKIN (Open channel in)
$FEC9	CHOUT (Open channel out)
$FECC	CLRCH (Close I/O channels)
$FFCF	BASIN (Input from channel)
$FFD2	BSOUT (Output to channel)
$FFD5	LOADSP (Load from file)
$FFD8	SAVESP (Save to file)
$FFDB	SETTIM (Set internal clock)
$FFDE	RDTIM (Read internal clock)
$FFE1	STOP (Scan STOP key)
$FFE4	GETIN (Get character from queue)
$FFE7	CLALL (Close all files)
$FFEA	UDTIM (Increment clock)
$FFED	SCRORG (Query screen width/height)
$FFF0	PLOT (Read/Set X,Y coord of cursor)
$FFF3	IOBASE (Return location of start of I/O)

$D880	ROM routine - Clear screen with color in A
$D88B	ROM routine - Clear screen
