demo2 PAGE 1
1 ; MCU 8051 IDE - Demonstration code
2 ; Interrupts, hexadecimal editor and code validator
3 ; ------------------------------------------------------
4 ; THIS REQUIRES ANOTHER MCU THAN AT89C2051 BECAUSE
5 ; AT89C2051 HAS NO XDATA MENORY. CLICK ON
6 ; [Main menu] -> [Project] -> [Edit project] AND SELECT
7 ; FOR INSTANCE AT89C51 AND SET XDATA TO SOME VALUE
8 ; ------------------------------------------------------
9
10 ; * Click on [Main menu] -> [Simulator] -> [Show XDATA memory]
11 ; * Press F2 and F6 (start simulator and animate)
12
13
14
15 ; Code with syntax errors
16 nolist ; Disable code listing
23 list ; Enable code listing
24
25 ; Constants
26 ; --------------------
27 cseg at 0D0h
00D0 57656C636F 28 string: db 'Welcome in MCU 8051 IDE ! '
6D6520696E
204D435520
3830353120
4944452021
20
29
001A 30 string_legth equ 26d
31
32 ; Macro instructions
33 ; --------------------
34 write_to_xdata macro str, code_ptr, xdata_ptr
35 mov A, code_ptr
36 mov DPTR, #str
37 movc A, @A+DPTR
38 mov DPL, xdata_ptr
39 movx @DPTR, A
40 inc xdata_ptr
41 inc code_ptr
42 endm
43
44 ; Program initialization
45 ; --------------------
46 org 0h ; Reset vector
****WARNING: This ORG has lower value than the previous one
0000 801C 47 sjmp start
48
49 org 0Bh ; Interrupt vector - T0
000B 8000 50 sjmp T0_int
51
52 ; Sub-programs
53 ; --------------------
54
55 ;; Handle interrupt from TF0
000D 7F1A 56 T0_int: mov R7, #string_legth
000F 7E00 57 mov R6, #0h
58 +1 loop: write_to_xdata string, R6, R5
0011 EE 59 +1 mov a , R6
0012 9000D0 60 +1 mov dptr , #string
0015 93 61 +1 movc a , @a+dptr
0016 8D82 62 +1 mov dpl , R5
0018 F0 63 +1 movx @dptr , a
0019 0D 64 +1 inc R5
001A 0E 65 +1 inc R6
001B DFF4 66 djnz R7, loop
001D 32 67 reti
68
69 ; Program start
70 ; --------------------
71 start: ; Start timer 0 in mode 2
001E 7D00 72 mov R5, #0h
0020 75A8FF 73 mov IE, #0FFh
0023 758AFF 74 mov TL0, #255d
0026 758903 75 mov TMOD, #03h
0029 D28C 76 setb TR0
002B 8000 77 sjmp main
78
79 ; Main loop
80 ; --------------------
002D 80FE 81 main: sjmp $ ; Infinite loop
82
83 ; Program end
84 ; --------------------
85 end
ASSEMBLY COMPLETE, NO ERRORS FOUND, 1 WARNING
ERROR SUMMARY:
Line 48, WARNING: This ORG has lower value than the previous one
SYMBOL TABLE:
??MCU_8051_IDE . . . . . . . . . . . N NUMB 8051H NOT USED
??VERSION. . . . . . . . . . . . . . N NUMB 0147H NOT USED
AC . . . . . . . . . . . . . . . . . B ADDR 00D6H NOT USED
ACC. . . . . . . . . . . . . . . . . D ADDR 00E0H NOT USED
ACSR . . . . . . . . . . . . . . . . D ADDR 0097H NOT USED
ADCF . . . . . . . . . . . . . . . . D ADDR 00F6H NOT USED
ADCLK. . . . . . . . . . . . . . . . D ADDR 00F2H NOT USED
ADCON. . . . . . . . . . . . . . . . D ADDR 00F3H NOT USED
ADDH . . . . . . . . . . . . . . . . D ADDR 00F5H NOT USED
ADDL . . . . . . . . . . . . . . . . D ADDR 00F4H NOT USED
AUXR . . . . . . . . . . . . . . . . D ADDR 008EH NOT USED
AUXR1. . . . . . . . . . . . . . . . D ADDR 00A2H NOT USED
B. . . . . . . . . . . . . . . . . . D ADDR 00F0H NOT USED
BDRCON . . . . . . . . . . . . . . . D ADDR 009BH NOT USED
BDRCON_1 . . . . . . . . . . . . . . D ADDR 009CH NOT USED
BRL. . . . . . . . . . . . . . . . . D ADDR 009AH NOT USED
CCAP0H . . . . . . . . . . . . . . . D ADDR 00FAH NOT USED
CCAP0L . . . . . . . . . . . . . . . D ADDR 00EAH NOT USED
CCAP1H . . . . . . . . . . . . . . . D ADDR 00FBH NOT USED
CCAP1L . . . . . . . . . . . . . . . D ADDR 00EBH NOT USED
CCAP2H . . . . . . . . . . . . . . . D ADDR 00FCH NOT USED
CCAP3H . . . . . . . . . . . . . . . D ADDR 00FDH NOT USED
CCAP4H . . . . . . . . . . . . . . . D ADDR 00FEH NOT USED
CCAPL2H. . . . . . . . . . . . . . . D ADDR 00FCH NOT USED
CCAPL2L. . . . . . . . . . . . . . . D ADDR 00ECH NOT USED
CCAPL3H. . . . . . . . . . . . . . . D ADDR 00FDH NOT USED
CCAPL3L. . . . . . . . . . . . . . . D ADDR 00EDH NOT USED
CCAPL4H. . . . . . . . . . . . . . . D ADDR 00FEH NOT USED
CCAPL4L. . . . . . . . . . . . . . . D ADDR 00EEH NOT USED
CCAPM0 . . . . . . . . . . . . . . . D ADDR 00DAH NOT USED
CCAPM1 . . . . . . . . . . . . . . . D ADDR 00DBH NOT USED
CCAPM2 . . . . . . . . . . . . . . . D ADDR 00DCH NOT USED
CCAPM3 . . . . . . . . . . . . . . . D ADDR 00DDH NOT USED
CCAPM4 . . . . . . . . . . . . . . . D ADDR 00DEH NOT USED
CCF0 . . . . . . . . . . . . . . . . B ADDR 00D8H NOT USED
CCF1 . . . . . . . . . . . . . . . . B ADDR 00D9H NOT USED
CCF2 . . . . . . . . . . . . . . . . B ADDR 00DAH NOT USED
CCF3 . . . . . . . . . . . . . . . . B ADDR 00DBH NOT USED
CCF4 . . . . . . . . . . . . . . . . B ADDR 00DCH NOT USED
CCON . . . . . . . . . . . . . . . . D ADDR 00D8H NOT USED
CFINT. . . . . . . . . . . . . . . . C ADDR 0033H NOT USED
CH . . . . . . . . . . . . . . . . . D ADDR 00F9H NOT USED
CKCON. . . . . . . . . . . . . . . . D ADDR 008FH NOT USED
CKCON0 . . . . . . . . . . . . . . . D ADDR 008FH NOT USED
CKRL . . . . . . . . . . . . . . . . D ADDR 0097H NOT USED
CKSEL. . . . . . . . . . . . . . . . D ADDR 0085H NOT USED
CL . . . . . . . . . . . . . . . . . D ADDR 00E9H NOT USED
CLKREG . . . . . . . . . . . . . . . D ADDR 008FH NOT USED
CMOD . . . . . . . . . . . . . . . . D ADDR 00D9H NOT USED
CPRL2. . . . . . . . . . . . . . . . B ADDR 00C8H NOT USED
CR . . . . . . . . . . . . . . . . . B ADDR 00DEH NOT USED
CT2. . . . . . . . . . . . . . . . . B ADDR 00C9H NOT USED
CY . . . . . . . . . . . . . . . . . B ADDR 00D7H NOT USED
DP0H . . . . . . . . . . . . . . . . D ADDR 0083H NOT USED
DP0L . . . . . . . . . . . . . . . . D ADDR 0082H NOT USED
DP1H . . . . . . . . . . . . . . . . D ADDR 0085H NOT USED
DP1L . . . . . . . . . . . . . . . . D ADDR 0084H NOT USED
DPH. . . . . . . . . . . . . . . . . D ADDR 0083H NOT USED
DPL. . . . . . . . . . . . . . . . . D ADDR 0082H
EA . . . . . . . . . . . . . . . . . B ADDR 00AFH NOT USED
EC . . . . . . . . . . . . . . . . . B ADDR 00AEH NOT USED
EECON. . . . . . . . . . . . . . . . D ADDR 0096H NOT USED
ES . . . . . . . . . . . . . . . . . B ADDR 00ACH NOT USED
ET0. . . . . . . . . . . . . . . . . B ADDR 00A9H NOT USED
ET1. . . . . . . . . . . . . . . . . B ADDR 00ABH NOT USED
ET2. . . . . . . . . . . . . . . . . B ADDR 00ADH NOT USED
EX0. . . . . . . . . . . . . . . . . B ADDR 00A8H NOT USED
EX1. . . . . . . . . . . . . . . . . B ADDR 00AAH NOT USED
EXEN2. . . . . . . . . . . . . . . . B ADDR 00CBH NOT USED
EXF2 . . . . . . . . . . . . . . . . B ADDR 00CEH NOT USED
EXTI0. . . . . . . . . . . . . . . . C ADDR 0003H NOT USED
EXTI1. . . . . . . . . . . . . . . . C ADDR 0013H NOT USED
F0 . . . . . . . . . . . . . . . . . B ADDR 00D5H NOT USED
FE . . . . . . . . . . . . . . . . . B ADDR 009FH NOT USED
IE . . . . . . . . . . . . . . . . . D ADDR 00A8H
IE0. . . . . . . . . . . . . . . . . B ADDR 0089H NOT USED
IE1. . . . . . . . . . . . . . . . . B ADDR 008BH NOT USED
INT0 . . . . . . . . . . . . . . . . B ADDR 00B2H NOT USED
INT1 . . . . . . . . . . . . . . . . B ADDR 00B3H NOT USED
IP . . . . . . . . . . . . . . . . . D ADDR 00B8H NOT USED
IPH. . . . . . . . . . . . . . . . . D ADDR 00B7H NOT USED
IPH0 . . . . . . . . . . . . . . . . D ADDR 00B7H NOT USED
IPH1 . . . . . . . . . . . . . . . . D ADDR 00B3H NOT USED
IPL0 . . . . . . . . . . . . . . . . D ADDR 00B8H NOT USED
IPL1 . . . . . . . . . . . . . . . . D ADDR 00B2H NOT USED
IT0. . . . . . . . . . . . . . . . . B ADDR 0088H NOT USED
IT1. . . . . . . . . . . . . . . . . B ADDR 008AH NOT USED
KBE. . . . . . . . . . . . . . . . . D ADDR 009DH NOT USED
KBF. . . . . . . . . . . . . . . . . D ADDR 009EH NOT USED
KBLS . . . . . . . . . . . . . . . . D ADDR 009CH NOT USED
LOOP . . . . . . . . . . . . . . . . C ADDR 0011H
MAIN . . . . . . . . . . . . . . . . C ADDR 002DH
OSCCON . . . . . . . . . . . . . . . D ADDR 0086H NOT USED
OV . . . . . . . . . . . . . . . . . B ADDR 00D2H NOT USED
P. . . . . . . . . . . . . . . . . . B ADDR 00D0H NOT USED
P0 . . . . . . . . . . . . . . . . . D ADDR 0080H NOT USED
P1 . . . . . . . . . . . . . . . . . D ADDR 0090H NOT USED
P1M1 . . . . . . . . . . . . . . . . D ADDR 00D4H NOT USED
P1M2 . . . . . . . . . . . . . . . . D ADDR 00E2H NOT USED
P2 . . . . . . . . . . . . . . . . . D ADDR 00A0H NOT USED
P3 . . . . . . . . . . . . . . . . . D ADDR 00B0H NOT USED
P3M1 . . . . . . . . . . . . . . . . D ADDR 00D5H NOT USED
P3M2 . . . . . . . . . . . . . . . . D ADDR 00E3H NOT USED
P4 . . . . . . . . . . . . . . . . . D ADDR 00C0H NOT USED
P4M1 . . . . . . . . . . . . . . . . D ADDR 00D6H NOT USED
P4M2 . . . . . . . . . . . . . . . . D ADDR 00E4H NOT USED
P5 . . . . . . . . . . . . . . . . . D ADDR 00E8H NOT USED
PC . . . . . . . . . . . . . . . . . B ADDR 00BEH NOT USED
PCON . . . . . . . . . . . . . . . . D ADDR 0087H NOT USED
PPCL . . . . . . . . . . . . . . . . B ADDR 00BEH NOT USED
PS . . . . . . . . . . . . . . . . . B ADDR 00BCH NOT USED
PSL. . . . . . . . . . . . . . . . . B ADDR 00BCH NOT USED
PSW. . . . . . . . . . . . . . . . . D ADDR 00D0H NOT USED
PT0. . . . . . . . . . . . . . . . . B ADDR 00B9H NOT USED
PT0L . . . . . . . . . . . . . . . . B ADDR 00B9H NOT USED
PT1. . . . . . . . . . . . . . . . . B ADDR 00BBH NOT USED
PT1L . . . . . . . . . . . . . . . . B ADDR 00BBH NOT USED
PT2. . . . . . . . . . . . . . . . . B ADDR 00BDH NOT USED
PT2L . . . . . . . . . . . . . . . . B ADDR 00BDH NOT USED
PX0. . . . . . . . . . . . . . . . . B ADDR 00B8H NOT USED
PX0L . . . . . . . . . . . . . . . . B ADDR 00B8H NOT USED
PX1. . . . . . . . . . . . . . . . . B ADDR 00BAH NOT USED
PX1L . . . . . . . . . . . . . . . . B ADDR 00BAH NOT USED
RB8. . . . . . . . . . . . . . . . . B ADDR 009AH NOT USED
RCAP2H . . . . . . . . . . . . . . . D ADDR 00CBH NOT USED
RCAP2L . . . . . . . . . . . . . . . D ADDR 00CAH NOT USED
RCLK . . . . . . . . . . . . . . . . B ADDR 00CDH NOT USED
RD . . . . . . . . . . . . . . . . . B ADDR 00B7H NOT USED
REN. . . . . . . . . . . . . . . . . B ADDR 009CH NOT USED
RESET. . . . . . . . . . . . . . . . C ADDR 0000H NOT USED
RI . . . . . . . . . . . . . . . . . B ADDR 0098H NOT USED
RS0. . . . . . . . . . . . . . . . . B ADDR 00D3H NOT USED
RS1. . . . . . . . . . . . . . . . . B ADDR 00D4H NOT USED
RXD. . . . . . . . . . . . . . . . . B ADDR 00B0H NOT USED
SADDR. . . . . . . . . . . . . . . . D ADDR 00A9H NOT USED
SADDR_0. . . . . . . . . . . . . . . D ADDR 00A9H NOT USED
SADDR_1. . . . . . . . . . . . . . . D ADDR 00AAH NOT USED
SADEN. . . . . . . . . . . . . . . . D ADDR 00B9H NOT USED
SADEN_0. . . . . . . . . . . . . . . D ADDR 00B9H NOT USED
SADEN_1. . . . . . . . . . . . . . . D ADDR 00BAH NOT USED
SBUF . . . . . . . . . . . . . . . . D ADDR 0099H NOT USED
SCON . . . . . . . . . . . . . . . . D ADDR 0098H NOT USED
SINT . . . . . . . . . . . . . . . . C ADDR 0023H NOT USED
SM0. . . . . . . . . . . . . . . . . B ADDR 009FH NOT USED
SM1. . . . . . . . . . . . . . . . . B ADDR 009EH NOT USED
SM2. . . . . . . . . . . . . . . . . B ADDR 009DH NOT USED
SP . . . . . . . . . . . . . . . . . D ADDR 0081H NOT USED
SPCON. . . . . . . . . . . . . . . . D ADDR 00C3H NOT USED
SPCR . . . . . . . . . . . . . . . . D ADDR 00D5H NOT USED
SPDAT. . . . . . . . . . . . . . . . D ADDR 00C5H NOT USED
SPDR . . . . . . . . . . . . . . . . D ADDR 0086H NOT USED
SPSR . . . . . . . . . . . . . . . . D ADDR 00AAH NOT USED
SPSTA. . . . . . . . . . . . . . . . D ADDR 00C4H NOT USED
START. . . . . . . . . . . . . . . . C ADDR 001EH
STRING . . . . . . . . . . . . . . . C ADDR 00D0H
STRING_LEGTH . . . . . . . . . . . . N NUMB 001AH
T0 . . . . . . . . . . . . . . . . . B ADDR 00B4H NOT USED
T0_INT . . . . . . . . . . . . . . . C ADDR 000DH
T1 . . . . . . . . . . . . . . . . . B ADDR 00B5H NOT USED
T2CON. . . . . . . . . . . . . . . . D ADDR 00C8H NOT USED
T2MOD. . . . . . . . . . . . . . . . D ADDR 00C9H NOT USED
TB8. . . . . . . . . . . . . . . . . B ADDR 009BH NOT USED
TCLK . . . . . . . . . . . . . . . . B ADDR 00CCH NOT USED
TCON . . . . . . . . . . . . . . . . D ADDR 0088H NOT USED
TF0. . . . . . . . . . . . . . . . . B ADDR 008DH NOT USED
TF1. . . . . . . . . . . . . . . . . B ADDR 008FH NOT USED
TF2. . . . . . . . . . . . . . . . . B ADDR 00CFH NOT USED
TH0. . . . . . . . . . . . . . . . . D ADDR 008CH NOT USED
TH1. . . . . . . . . . . . . . . . . D ADDR 008DH NOT USED
TH2. . . . . . . . . . . . . . . . . D ADDR 00CDH NOT USED
TI . . . . . . . . . . . . . . . . . B ADDR 0099H NOT USED
TIMER0 . . . . . . . . . . . . . . . C ADDR 000BH NOT USED
TIMER1 . . . . . . . . . . . . . . . C ADDR 001BH NOT USED
TIMER2 . . . . . . . . . . . . . . . C ADDR 002BH NOT USED
TL0. . . . . . . . . . . . . . . . . D ADDR 008AH
TL1. . . . . . . . . . . . . . . . . D ADDR 008BH NOT USED
TL2. . . . . . . . . . . . . . . . . D ADDR 00CCH NOT USED
TMOD . . . . . . . . . . . . . . . . D ADDR 0089H
TR0. . . . . . . . . . . . . . . . . B ADDR 008CH
TR1. . . . . . . . . . . . . . . . . B ADDR 008EH NOT USED
TR2. . . . . . . . . . . . . . . . . B ADDR 00CAH NOT USED
TXD. . . . . . . . . . . . . . . . . B ADDR 00B1H NOT USED
WDTCON . . . . . . . . . . . . . . . D ADDR 00A7H NOT USED
WDTPRG . . . . . . . . . . . . . . . D ADDR 00A7H NOT USED
WDTRST . . . . . . . . . . . . . . . D ADDR 00A6H NOT USED
WR . . . . . . . . . . . . . . . . . B ADDR 00B6H NOT USED
