參數(shù)資料
型號: SDA525X
廠商: SIEMENS AG
英文描述: ICs for Consumer Electronics
中文描述: 消費電子集成電路
文件頁數(shù): 54/143頁
文件大?。?/td> 1050K
代理商: SDA525X
SDA 525x
Semiconductor Group
54
1998-04-08
More comfortable programming, e. g. based on C-programs, require similar processing
of the source programs or object files with respect to special considerations of the
compiler.
Figure 20
shows an assembler program run, performing the following actions:
1. Start at bank 0 at 00000.
2. Set ISR-page to bank 2.
3. Jump to bank 1 at address 25.
4. Being interrupted to bank 2 ISR.
5. Call a subprogram at bank 2 address 43.
6. After return read data from bank 2.
Figure 20
Program Example
UEC04719
0040:
PRGM0:
MOV MEX2,#02
;Prepare jumping
;from
;Bank 0 to Bank 1
MOV MEX1,#1
LJMP 25
;’25’ is a substitution
of Primary Labels
transformed to an
Absolute Address at
Bank 2
0043:
0046:
;set ISR Bank = Bank 2
ORG 40
Bank 0
Bank 1
ORG 25
0025:
0040:
0080:
0150:
0153:
0156:
PRGM1: MOV...
;Prepare
;Calling PRGM2
;on Bank 2
MOV MEX1,#2
LCALL 43
;Fetch Data from Bank 2
;(and update ISR-Bank
MOV MEX2,#0A2
MOV DPTR,#100
MOVC A, @DPTR
pointer)
ORG 13
Bank 2
0013:
;ISR on
;Bank 2
RETI
ORG 43
PRGM2:
;Execute PRGM2
RET
ORG 100
BYTE 44
0043:
0060:
0100:
Interrupt
to AKKU
H
H
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