demo1 DEMO 2 11/29/1182 PAGE 1
1 ; MCU 8051 IDE - Demonstration code
2 ; Macro instructions, conditional compilation and constants
3 ; Try tab "Graph" on bottom panel
4
5 ; Press F2 and F6 to run the program (start simulator and animate)
6
7 $TITLE('DEMO 2') ; Set title for code listing
8 $DATE(11/29/1182) ; Set date for code listing (the 29th of November 1182, welcome back to the M
9
10 ; Constant definitions
11 ; --------------------
000F 12 counter idata 00Fh ; Counter of Px shifts
0064 13 x set 100 ; Some variable
0001 14 inc_dec equ 100 / X ; Flag: Increment/Decrement counter
15
16 cseg at 1FFh ; Code segment starts at 0x1FF
01FF 04 17 something: db 4d ; Reserve 4 bytes in this segment
18
19 ; Macro instructions
20 ; --------------------
21
22 ;; Shift the given registers
23 shift macro reg0, reg1
24
25 ; Increment / Decrement counter
26 mov A, counter
27 if inc_dec <> 0
28 inc A
29 else
30 dec A
31 endif
33 mov counter, A
34 $list ; <- Enable code listing
35
36 ; Shift
37 mov reg1, reg0
38 mov reg0, reg1
39 setb C
40 mov A, reg0
41 rl A
42 mov reg0, A
43 endm
44
45 ; Program initialization
46 ; --------------------
47 org 0h
****WARNING: This ORG has lower value than the previous one
0000 8000 48 sjmp start
49
50 ; Program start
51 ; --------------------
0002 75900F 52 start: mov P1, #00Fh
0005 75B01E 53 mov P3, #01Eh
0008 8000 54 sjmp main
55
56 ; Main loop
57 ; --------------------
58 +1 main: shift P1, P3
59 +1
000A E50F 60 +1 mov a , counter
61 +1 if inc_dec <> 0
000C 04 62 +1 inc a
63 +1 else
64 +1 dec a
65 +1 endif
000D F50F 66 +1 mov counter , a
67 +1
000F 8590B0 68 +1 mov P3 , P1
0012 85B090 69 +1 mov P1 , P3
0015 D3 70 +1 setb c
0016 E590 71 +1 mov a , P1
0018 23 72 +1 rl a
0019 F590 73 +1 mov P1 , a
001B 80ED 74 sjmp main
75
76 ; Program end
77 ; --------------------
78 end
ASSEMBLY COMPLETE, NO ERRORS FOUND, 1 WARNING
ERROR SUMMARY:
Line 49, 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
COUNTER. . . . . . . . . . . . . . . I ADDR 000FH
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 NOT USED
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 NOT USED
IE0. . . . . . . . . . . . . . . . . B ADDR 0089H NOT USED
IE1. . . . . . . . . . . . . . . . . B ADDR 008BH NOT USED
INC_DEC. . . . . . . . . . . . . . . N NUMB 0001H 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
MAIN . . . . . . . . . . . . . . . . C ADDR 000AH
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
P1M1 . . . . . . . . . . . . . . . . D ADDR 00D4H NOT USED
P1M2 . . . . . . . . . . . . . . . . D ADDR 00E2H NOT USED
P2 . . . . . . . . . . . . . . . . . D ADDR 00A0H NOT USED
P3 . . . . . . . . . . . . . . . . . D ADDR 00B0H
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
SOMETHING. . . . . . . . . . . . . . C ADDR 01FFH 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 0002H
T0 . . . . . . . . . . . . . . . . . B ADDR 00B4H NOT USED
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 NOT USED
TL1. . . . . . . . . . . . . . . . . D ADDR 008BH NOT USED
TL2. . . . . . . . . . . . . . . . . D ADDR 00CCH NOT USED
TMOD . . . . . . . . . . . . . . . . D ADDR 0089H NOT USED
TR0. . . . . . . . . . . . . . . . . B ADDR 008CH NOT USED
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
X. . . . . . . . . . . . . . . . . . NUMB 0064H NOT USED REDEFINABLE
