參數(shù)資料
型號(hào): V30MZ
英文描述: V30MZ(TM) Hardware (Preliminary) | User's Manual[01/2002]
中文描述: V30MZ(TM)硬件(初步)|用戶手冊(cè)[01/2002]
文件頁數(shù): 56/89頁
文件大?。?/td> 418K
代理商: V30MZ
CHAPTER 5 INTERRUPT FUNCTIONS
56
Figure 5-1. Interrupt Vector Table Configuration
Vector 0
000H
003H
Vector 1
004H
007H
Vector 2
008H
00BH
Vector 3
00CH
00FH
Vector 4
010H
013H
Vector 5
014H
017H
Vector 6
018H
02BH
02CH
07BH
Vector 31
07CH
07FH
Vector 32
080H
083H
084H
3FBH
Vector 255
3FCH
3FFH
DIV or DIVU instruction
divide error
BRK flag
(Single-step)
NMI input
BRK 3 instruction
BRKV instruction
CHKIND instruction
boundary over
Reserved
General use
BRK imm8 instruction
INT input
Dedicated
use
For vectors 0 to 5, the interrupt sources to be used are specified and vectors 6 to 31 are reserved and are not
available for general use.
For vectors 32 to 255, BRK imm8 instruction, and INT input are available for general use.
One interrupt vector consists of 4 bytes and the higher address 2 bytes are loaded to the program segment
register (PS) as a base address pointer (program segment value) and the lower address 2 bytes are loaded to the
program counter (PC) as an offset value.
Example:
Vector 0
003H
002H
001H
000H
PS
(003H, 002H)
PC
(001H, 000H)
When creating a program, initialize the content of each vector used based on the example above in the beginning
of the program.
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