Exception Vectors

Sharp reserved $00～3f

Address	Vector	Description
$000000	$00	Initial SSP
$000004	$01	Initial PC
$000008	$02	Bus error
$00000c	$03	Address error
$000010	$04	Illegal instruction
$000014	$05	Divide by zero
$000018	$06	CHK instruction
$00001c	$07	TRAPV, FTRAPcc instruction
$000020	$08	Privilege violation
$000024	$09	Trace exception handling
$000028	$0a	Unimplemented instruction line 1010 emulator (SX call)
$00002c	$0b	Unimplemented instruction line 1111 emulator (DOS call, floating point operation)
$000030	$0c	Unused
$000034	$0d	FPU protocol violation exception handling
$000038	$0e	FPU format violation exception handling
$00003c	$0f	Uninitialized interrupt
$000040	$10	Unused
$000044	$11	〃
$000048	$12	〃
$00004c	$13	〃
$000050	$14	〃
$000054	$15	〃
$000058	$16	〃
$00005c	$17	〃
$000060	$18	Spurious interrupt
$000064	$19	Level 1 interrupt (autovector)
$000068	$1a	〃 2 〃
$00006c	$1b	〃 3 〃
$000070	$1c	〃 4 〃
$000074	$1d	〃 5 〃
$000078	$1e	〃 6 〃
$00007c	$1f	〃 7 〃(NMI)
$000080	$20	trap #0
$000084	$21	〃 #1
$000088	$22	〃 #2
$00008c	$23	〃 #3
$000090	$24	〃 #4
$000094	$25	〃 #5
$000098	$26	〃 #6
$00009c	$27	〃 #7
$0000a0	$28	〃 #8 (System reserved)
$0000a4	$29	〃 #9 (OS debugger)
$0000a8	$2a	〃 #10 (Reset/power processing)
$0000ac	$2b	〃 #11 (BREAK key)
$0000b0	$2c	〃 #12 (COPY key)
$0000b4	$2d	〃 #13 (CTRL+C)
$0000b8	$2e	〃 #14 (error handling)
$0000bc	$2f	〃 #15 (IOCS call)
$0000c0	$30	FPU BSUN (Branch/Set on Unordered) Exception handling
$0000c4	$31	〃 INEX1,INEX2 (Inexact Decimal Input,Inexact Operation)
$0000c8	$32	〃 DZ (Divide by Zero)
$0000cc	$33	〃 UNFL (Underflow)
$0000d0	$34	〃 OPERR (Operand Error)
$0000d4	$35	〃 OVFL (Overflow)
$0000d8	$36	〃 SNAN (Signalling Not A Number)
$0000dc	$37	Unused
$0000e0	$38	MMU
$0000e4	$39	〃
$0000e8	$3a	〃
$0000ec	$3b	Unused
…	…	…
$0000fc	$3f	Unused

User interrupt $40～$ff

Address	Vector	Description
$000100	$40	MFP RTC alarm/1Hz
$000104	$41	MFP External power OFF
$000108	$42	MFP Front switch OFF
$00010c	$43	MFP FM sound source
$000110	$44	MFP Timer-D (used for BG processing)
$000114	$45	MFP Timer-C (mouse/cursor/FDD/etc control)
$000118	$46	MFP V-DISP
$00011c	$47	MFP RTC clock
$000120	$48	MFP Timer-B
$000124	$49	MFP key serial out error
$000128	$4a	MFP キーシリアル出力空
$00012c	$4b	MFP key serial in error
$000130	$4c	MFP キーシリアル入力あり
$000134	$4d	MFP Timer-A
$000138	$4e	MFP CRTC･IRQ
$00013c	$4f	MFP H-SYNC
$000140	$50	SCC(B) Transmit buffer empty
$000144	$51	SCC(B) 〃
$000148	$52	SCC(B) External status change
$00014c	$53	SCC(B) 〃
$000150	$54	SCC(B) Received character(mouse 1 byte input)
$000154	$55	SCC(B) 〃
$000158	$56	SCC(B) Special Rx condition
$00015c	$57	SCC(B) 〃
$000160	$58	SCC(A) Transmit buffer empty
$000164	$59	SCC(A) 〃
$000168	$5a	SCC(A) External status change
$00016c	$5b	SCC(A) 〃
$000170	$5c	SCC(A) Received character(RS-232C 1 byte input)
$000174	$5d	SCC(A) 〃
$000178	$5e	SCC(A) Special Rx condition
$00017c	$5f	SCC(A) 〃
$000180	$60	I/O FDC Status interrupt
$000184	$61	I/O FDC Insert/Eject interrupt
$000188	$62	I/O HDC status interrupt
$00018c	$63	I/O Printer ready interrupt
$000190	$64	DMAC #0 End (FDD)
$000194	$65	DMAC #0 Error(〃 )
$000198	$66	DMAC #1 End (SASI)
$00019c	$67	DMAC #1 Error(〃)
$0001a0	$68	DMAC #2 End (IOCS _DMAMOVE,_DMAMOV_A,_DMAMOV_L)
$0001a4	$69	DMAC #2 Error(〃)
$0001a8	$6a	DMAC #3 End (ADPCM)
$0001ac	$6b	DMAC #3 Error(〃)
$000200	$6c	SPC SCSI interrupt(Internal SCSI)
$000204	$6d	Unused
…	…	…
$0003d4	$f5	Unused
$0003d8	$f6	SPC SCSI interrupt(SCSI board)
$0003dc	$f7	Unused
…	…	…
$0003fc	$ff	Unused