3. Übersicht zum µC 8052 - No official entry point - HAW Hamburg
3. Übersicht zum µC 8052 - No official entry point - HAW Hamburg
3. Übersicht zum µC 8052 - No official entry point - HAW Hamburg
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Prof. Dr. J. Reichardt<br />
Prof. Dr. B. Schwarz UART - CPLD 95108 - C <strong>8052</strong><br />
;------------------------------------------------------------------------------<br />
; Add constant (typeless) numbers here.<br />
;-----------------------------------------------------------------------------typeless_number<br />
EQU 0EDH ; assign 0ED HEX<br />
typeless_num1 EQU typeless_number - 8 ; evaluate typeless_num1<br />
;------------------------------------------------------------------------------<br />
; Provide an LJMP to start at the reset address (address 0) in the main module.<br />
; After a reset the program counter PC is loaded with 0000HEX .<br />
;------------------------------------------------------------------------------<br />
CSEG AT 0 ; absolute Segment at Address 0<br />
LJMP start ; reset location (jump to start)<br />
;------------------------------------------------------------------------------<br />
; CODE SEGMENT--Reserves space in CODE ROM for assembler instructions.<br />
;-----------------------------------------------------------------------------code_seg_name<br />
SEGMENT CODE<br />
RSEG code_seg_name ; switch to this code segment<br />
;------------------------------------------------------------------------------<br />
; Insert your assembly program here. <strong>No</strong>te, the code below is non-functional.<br />
;-----------------------------------------------------------------------------start:<br />
ORL IE,#82H ; enable interrupt system (Zeitgeber 0)<br />
SETB TR0 ; enable Zeitgeber 0<br />
repeat_label: MOV A,data_symbol;<br />
haw hamburg<br />
FACHBEREICH ELEKTROTECHNIK<br />
UND INFORMATIK<br />
© B. Schwarz 3-30
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