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;$$$$變量定義區(qū)（30H-）$$$$$
OUTBIT EQU P2 ; 位控制口
OUTSEG EQU P0 ; 段控制口
ROW_COLUMN EQU P1 ; 讀鍵盤行線口
VARIABLE_DELAY1 EQU 30H ;延時(shí)變量
VARIABLE_DELAY2 EQU 31H
VARIABLE_STORE1 EQU 32H ;存儲(chǔ)第一個(gè)輸入數(shù)
VARIABLE_STORE2 EQU 33H
VARIABLE_STORE3 EQU 34H ;存儲(chǔ)第二個(gè)輸入數(shù)
VARIABLE_STORE4 EQU 35H
VARIABLE_STORE5 EQU 36H ;存儲(chǔ)最后結(jié)果
VARIABLE_STORE6 EQU 37H
VARIABLE_INPUT1A EQU 38H ;第一個(gè)輸入數(shù)保存地址
VARIABLE_INPUT1B EQU 39H
VARIABLE_INPUT1C EQU 3AH
VARIABLE_INPUT1D EQU 3BH
VARIABLE_INPUT2A EQU 3CH ;第二個(gè)輸入數(shù)保存地址
VARIABLE_INPUT2B EQU 3DH
VARIABLE_INPUT2C EQU 3EH
VARIABLE_INPUT2D EQU 3FH
VARIABLE_REPLACE_POINT EQU 40H ;結(jié)果顯示位置指針
;VARIABLE_RESULTB EQU 41H
;VARIABLE_RESULTC EQU 42H
;VARIABLE_RESULTD EQU 43H
VARIABLE_SIGN1 EQU 44H ;保存第一個(gè)符號(hào)位
VARIABLE_SIGN2 EQU 45H ;保存第二個(gè)符號(hào)位
VARIABLE_INPUT1_POINT EQU 46H ;第一個(gè)輸入數(shù)狀態(tài)指針,記錄輸入的位數(shù)
VARIABLE_INPUT2_POINT EQU 47H ;第二個(gè)輸入數(shù)狀態(tài)指針,記錄輸入的位數(shù)
VARIABLE_RESULT_POINT EQU 48H ;第二個(gè)輸入數(shù)狀態(tài)指針,記錄輸入的位數(shù)
VARIABLE_PLACE1_POINT EQU 49H ;第一個(gè)輸入數(shù)位置指針
VARIABLE_PLACE2_POINT EQU 4AH ;第一個(gè)輸入數(shù)位置指針
VARIABLE_LEDBUF_POINT EQU 4BH ;第一個(gè)輸入數(shù)位置指針
VARIABLE_LEDBUF EQU 4CH ; 顯示緩沖
S1 EQU 50H ;自定義數(shù)字電路入口與出口
S2 EQU 51H ;功能1實(shí)現(xiàn)：將分離個(gè)位數(shù)字（S1-S5），轉(zhuǎn)化為十進(jìn)制，存儲(chǔ)在S6,S7
S3 EQU 52H ;功能2實(shí)現(xiàn)：將十進(jìn)制位數(shù)字（S6-S7），轉(zhuǎn)化為個(gè)位數(shù)字，存儲(chǔ)在(S1-S5)
S4 EQU 53H ;S1(最高位)，S5(最低位)
S5 EQU 54H
S6 EQU 55H
S7 EQU 56H
KEY1 BIT P3.2
KEY2 BIT P3.3
KEY3 BIT P3.4
KEY4 BIT P3.5
;****************************************************進(jìn)入主程序*****************************************************************************
ORG 0000H
AJMP STABLE
ORG 0100H
; *****************************************************鍵碼定義和鍵值定義*******************************************************************
LEDMAP: ; 八段管顯示碼(共陽極)
DB 0C0h, 0F9h, 0A4h, 0B0h, 099h, 092h, 082h, 0F8h,080h, 090h, 088h, 083h,0C6H
KEYTABLE:
DB 00h, 04h, 08h
DB 01h, 05h, 09h
DB 02h, 06h, 0Ah
DB 03h, 07h, 0Bh
;$$$$子程序區(qū)$$$
$$$
;****************************************************延時(shí)程序（30H,31H）**********************************************************************
DELAY:
MOV VARIABLE_DELAY1,#10H
DE1:
MOV VARIABLE_DELAY2,#06FH
DE:
DJNZ VARIABLE_DELAY2,DE
DJNZ VARIABLE_DELAY1 ,DE1
RET
;***************************************************掃描按鍵程序*****************************************************************************
SCANNING:
JNB KEY1,FUNCTION1_SIGN1
JNB KEY2,FUNCTION2_SIGN1
JNB KEY3,FUNCTION3_SIGN1
JNB KEY4,FUNCTION4_SIGN1
RET
;****************************************************第一個(gè)符號(hào)位保存程序*****************************************************************
FUNCTION1_SIGN1:
MOV VARIABLE_SIGN1,#1
SJMP SCANNING
FUNCTION2_SIGN1:
MOV VARIABLE_SIGN1,#2
SJMP SCANNING
FUNCTION3_SIGN1:
MOV VARIABLE_SIGN1,#3
SJMP SCANNING
FUNCTION4_SIGN1:
MOV VARIABLE_SIGN1,#4
SJMP SCANNING
;****************************************************LED顯示程序****************************************************************************
DISPLAYLED:
MOV R0, #VARIABLE_LEDBUF
MOV R1, #4 ; 共4個(gè)八段管
MOV R2, #11111110B ; 從左邊開始顯示
LOOP:
MOV OUTBIT, #0FFH ; 關(guān)所有八段管
MOV OUTSEG, @R0
MOV OUTBIT, R2 ; 顯示一位八段管
ACALL DELAY ;
MOV A, R2 ; 位選選中下一位
RL A ;
MOV R2, A ;
INC R0
DJNZ R1, LOOP
RET
;**************************************************行值局部程序*****************************************************************************
GET_ROW1:
MOV A,ROW_COLUMN ; 讀入鍵狀態(tài)
ORL A, #0f8h ; 高5位不用，變?yōu)?1111
CPL A ;11111110->00000001,11111101->00000010,11111011->00000100, 1，2，4
RET
;*******************************得到行值程序，出口參數(shù)R3（行值）**********************************************************************************
GET_ROW:
MOV ROW_COLUMN,#07H ;將行線置1.列線置0
MOV R3,#0FFH
ACALL GET_ROW1
GE1:
RRC A
INC R3
JC GE2
SJMP GE1
GE2:
RET
;***************************得到列值程序，出口參數(shù)R4（列值）,所用寄存器R1,R2******************************************** ***************
GET_COLUMN:
MOV ROW_COLUMN,#07H ;將行線置1.列線置0
MOV R2, #4
KLoop:
CJNE R2,#4,NEXT1
MOV A,#01FH
AJMP NEXT5
NEXT1:
CJNE R2,#3,NEXT2
MOV A,#02FH
AJMP NEXT5
NEXT2:
CJNE R2,#2,NEXT3
MOV A,#04FH
AJMP NEXT5
NEXT3:
CJNE R2,#1,NEXT5
MOV A,#08FH
NEXT5:
MOV ROW_COLUMN, a
ACALL GET_ROW1 ;調(diào)用得到行值時(shí)需要給出列值的狀態(tài)
JZ GOON1 ;當(dāng)
A為零時(shí)，說明本列有鍵按下
DJNZ R2, KLoop ;掃描四次直至將全部列掃描完畢
GOON1:
MOV A, #4 ;列值減1
SUBB A,R2
MOV R4,A
RET
;************鍵值計(jì)算程序，入口參數(shù)，R3(行值),R4（列值）,出口參數(shù)R5（鍵值）******************************************************************
CALCULATE_KEY: ;鍵值 = 列 X 3 + 行
MOV A,R4
MOV B,#3
MUL AB
ADD A,R3
MOV DPTR,#KEYTABLE
ACALL LOOK_UP_TABLE
MOV R5,A
RET
;**************************************************按鍵抖動(dòng)去除程序**********************************************************************
WAIT_RELEASE:
ACALL TEST_KEY
JNZ WAIT_RELEASE
RET
;************************************************得到鍵值總程序,出口參數(shù)R5(鍵值)********************************************************************
GET_KEY:
ACALL GET_ROW
ACALL GET_COLUMN
ACALL CALCULATE_KEY
ACALL WAIT_RELEASE
RET
;*****************************************************測(cè)試按鍵是否按下程序,出口參數(shù)A***********************************************
TEST_KEY:
MOV ROW_COLUMN,#07H ;將行線置1.列線置0
ACALL GET_ROW1
RET
;**********************************************計(jì)算器輸入第一個(gè)數(shù)程序****************************************************************
CALCULATOR_INPUT1: ;USE:R0,R1,R2;出口參數(shù)R5
MOV R1,VARIABLE_PLACE1_POINT ;將所得鍵碼送入相應(yīng)存儲(chǔ)區(qū)
MOV A,R5
MOV @R1,A
INC VARIABLE_PLACE1_POINT
ACALL LOOK_UP_TABLE1 ;將所得段碼送入相應(yīng)緩沖區(qū)
MOV R0,VARIABLE_LEDBUF_POINT
MOV @R0,A
INC VARIABLE_LEDBUF_POINT
RET
;**********************************************計(jì)算器輸入第二個(gè)數(shù)程序****************************************************************
CALCULATOR_INPUT2: ;USE:R0,R1,R2;出口參數(shù)R5
CLR C
MOV A,R5
CAL1:
INC VARIABLE_INPUT2_POINT
MOV R2,VARIABLE_INPUT2_POINT
CJNE R2,#5,CAL4
SJMP CAL5 ;輸入四個(gè)數(shù)后，第五個(gè)數(shù)一定為符號(hào)位
CAL4:
SUBB A,#8
JC CAL2 ;符號(hào)位應(yīng)大等于8
SJMP CAL3
CAL2:
ADDC A,#8
MOV R1,VARIABLE_PLACE2_POINT ;將所得鍵碼送入相應(yīng)存儲(chǔ)區(qū)
MOV @R1,A
INC VARIABLE_PLACE2_POINT
ACALL LOOK_UP_TABLE1 ;將所得段碼送入相應(yīng)緩沖區(qū)
MOV R0,VARIABLE_LEDBUF_POINT
MOV @R0,A
INC VARIABLE_LEDBUF_POINT
SJMP CAL5
CAL3:
ADD A,#8
CAL5:
RET
;************************************************************整合程序1***********************************************************************
INTEGRATE1:
MOV R7, VARIABLE_INPUT1_POINT
CJNE R7,#1,FF1
MOV S5,VARIABLE_INPUT1A
MOV S1,#0
MOV S2,#0
MOV S3,#0
MOV S4,#0
LCALL CALCULATOR_INTEGRATE
AJMP NEXT22
FF1:
CJNE R
7,#2,FF2
MOV S4,VARIABLE_INPUT1A
MOV S5,VARIABLE_INPUT1B
MOV S2,#0
MOV S3,#0
MOV S1,#0
LCALL CALCULATOR_INTEGRATE
AJMP NEXT22
FF2:
CJNE R7,#3,FF3
MOV S3,VARIABLE_INPUT1A
MOV S4,VARIABLE_INPUT1B
MOV S5,VARIABLE_INPUT1C
MOV S1,#0
MOV S2,#0
LCALL CALCULATOR_INTEGRATE
AJMP NEXT22
FF3:
MOV S2,VARIABLE_INPUT1A
MOV S3,VARIABLE_INPUT1B
MOV S4,VARIABLE_INPUT1C
MOV S5,VARIABLE_INPUT1D
MOV S1,#0
LCALL CALCULATOR_INTEGRATE
NEXT22:
MOV VARIABLE_STORE1,S6 ;將轉(zhuǎn)化后的值存在S8和S9中
MOV VARIABLE_STORE2,S7
LCALL QL
MOV VARIABLE_LEDBUF+0, #0FFH ; 顯示管輸完符號(hào)位后顯示全滅
MOV VARIABLE_LEDBUF+1, #0FFH
MOV VARIABLE_LEDBUF+2, #0FFH
MOV VARIABLE_LEDBUF+3, #0FFH
MOV VARIABLE_LEDBUF_POINT,#VARIABLE_LEDBUF
RET
;************************************************************整合程序2***********************************************************************
INTEGRATE2:
DEC VARIABLE_INPUT2_POINT
MOV R7, VARIABLE_INPUT2_POINT
CJNE R7,#1,FFI1
MOV S5,VARIABLE_INPUT2A
MOV S1,#0
MOV S2,#0
MOV S3,#0
MOV S4,#0
LCALL CALCULATOR_INTEGRATE
AJMP NEXTI22
FFI1:
CJNE R7,#2,FFI2
MOV S4,VARIABLE_INPUT2A
MOV S5,VARIABLE_INPUT2B
MOV S2,#0
MOV S3,#0
MOV S1,#0
LCALL CALCULATOR_INTEGRATE
AJMP NEXTI22
FFI2:
CJNE R7,#3,FFI3
MOV S3,VARIABLE_INPUT2A
MOV S4,VARIABLE_INPUT2B
MOV S5,VARIABLE_INPUT2C
MOV S1,#0
MOV S2,#0
LCALL CALCULATOR_INTEGRATE
AJMP NEXTI22
FFI3:
MOV S2,VARIABLE_INPUT2A
MOV S3,VARIABLE_INPUT2B
MOV S4,VARIABLE_INPUT2C
MOV S5,VARIABLE_INPUT2D
MOV S1,#0
LCALL CALCULATOR_INTEGRATE
NEXTI22:
MOV VARIABLE_STORE3,S6 ;將轉(zhuǎn)化后的值存在S8和S9中
MOV VARIABLE_STORE4,S7
LCALL QL
MOV VARIABLE_LEDBUF+0, #0FFH ; 顯示管輸完符號(hào)位后顯示全滅
MOV VARIABLE_LEDBUF+1, #0FFH
MOV VARIABLE_LEDBUF+2, #0FFH
MOV VARIABLE_LEDBUF+3, #0FFH
MOV VARIABLE_LEDBUF_POINT,#VARIABLE_LEDBUF
RET
;**********************************************計(jì)算器運(yùn)算程序*****************************************************************************
;***********************************************計(jì)算器加法**********************************************************************************
CALCULATOR_ADDITION:
MOV R1,VARIABLE_STORE2 ;入口：R1(H),R0,R3(H),R2,出口：和R1(H),R0(L)
MOV R0,VARIABLE_STORE1
MOV R3,VARIABLE_STORE4
MOV R2,VARIABLE_STORE3
LCALL ADDITION
MOV VARIABLE_STORE6,R1
MOV VARIABLE_STORE5,R0
MOV S7,VARIABLE_STORE6
MOV S6,VARIABLE_STORE5
LCALL CALCULATOR_SEPARATE
RET
;*********************************************計(jì)算器減法***********************************************************************************
CALCULATOR_SUBTRACTION:
MOV R1,VARIABLE_STORE2
MOV R0,VARIABLE_STORE1
MOV R3,VARIABLE_STORE4
MOV R2,VARIABLE_STORE3
LCALL SUBTRACTION ;入口：減數(shù)R3(H),R2(L),被減數(shù)R1(H),R0(L),出口：差R1(H),R0(L)
MOV VARIABLE_STORE6,R1
MOV VARIABLE_STORE5,R0
MOV S7,VARIABLE_STORE6
MOV S6,VARIABLE_STORE5
LCALL CALCULATOR_SEPARATE
RET
;*********************************************計(jì)算器乘法***********************************************************************************
CALCULATOR_MULTIPLICATION:
MOV R1,VARIABLE_STORE2
MOV R0,VARIABLE_STORE1
MOV R3,VARIABLE_STORE4
MOV R2,VARIABLE_STORE3
LCALL MULTIPLICATION ;入口：被乘數(shù)R3,R2,乘數(shù)R1,R0,結(jié)果R7,R6,R5,R4
MOV VARIABLE_STORE6,R5
MOV VARIABLE_STORE5,R4
MOV S7,VARIABLE_STORE6
MOV S6,VARIABLE_STORE5
LCALL CALCULATOR_SEPARATE
RET
;*********************************************計(jì)算器除法***********************************************************************************
CALCULATOR_DIVISION:
MOV R6,VARIABLE_STORE2 ;入口：R6(H),R7(L),被除數(shù)，R4(H),R5(L),除數(shù)，出口：商R6(H),R7(L)，余R4(H),R5(L
MOV R7,VARIABLE_STORE1
MOV R4,VARIABLE_STORE4
MOV R5,VARIABLE_STORE3
LCALL DIVISION
MOV VARIABLE_STORE6,R6
MOV VARIABLE_STORE5,R7
MOV S7,VARIABLE_STORE6
MOV S6,VARIABLE_STORE5
LCALL CALCULATOR_SEPARATE
RET
;*********************************************設(shè)立最后計(jì)算器顯示的位數(shù)和位置***********************************************************************************
CALCULATOR_RESULT_DESIGN: ;設(shè)立最后顯示的位數(shù)
MOV A,S1
CJNE A,#0,H1
MOV A,S2
CJNE A,#0,H2
MOV A,S3
CJNE A,#0,H3
MOV A,S4
CJNE A,#0,H4
MOV A,S5
CJNE A,#0,H5
RET
H1:
MOV VARIABLE_REPLACE_POINT,#S1 ;最后顯示位置指針
MOV VARIABLE_RESULT_POINT,#5
RET
H2:
MOV VARIABLE_REPLACE_POINT,#S2
MOV VARIABLE_RESULT_POINT,#4
RET
H3:
MOV VARIABLE_REPLACE_POINT,#S3
MOV VARIABLE_RESULT_POINT,#3
RET
H4:
MOV VARIABLE_REPLACE_POINT,#S4
MOV VARIABLE_RESULT_POINT,#2
RET
H5:
MOV VARIABLE_REPLACE_POINT,#S5
MOV VARIABLE_RESULT_POINT,#1
RET
;***********************************************************顯示結(jié)果送入緩沖區(qū)************************************************************
RESULT_LEDBUF:
MOV R7,#0
NEXTR77:
MOV A,R7
CJNE A,VARIABLE_RESULT_POINT,NEXTR8 ;控制顯示位數(shù)
RET
NEXTR8:
INC R7
MOV R1,VARIABLE_REPLACE_POINT ;將顯示位置的數(shù)字送給A寄存器
MOV A,@R1
LCALL LOOK_UP_TABLE1
INC VARIABLE_REPLACE_POINT ;顯示位置后移
MOV R0,VARIABLE_LEDBUF_POINT ;將要顯示段碼送給緩沖區(qū)
MOV @R0,A
INC VARIABLE_LEDBUF_POINT
SJMP NEXTR77
;;**********************************************************數(shù)字電路整合功能***************************************************************
CALCULATOR_INTEGRATE: ;出口參數(shù)S6,S7，入口參數(shù)，S1,S2,S3,S4,S5
ACALL QL
MOV R0,S1
MOV R1,#0
MOV DPTR, #10000
MOV R3, DPH
MOV R2, DPL
ACALL MULTIPLICATION
MOV S7, R5
MOV S6, R4
ACALL QL
MOV R0,S2
MOV R1,#0
MOV DPTR, #1000
MOV R3, DPH
MOV R2,DPL
ACALL MULTIPLICATION
MOV A,R5
MOV R1,A
MOV A,R4
MOV R0,A
MOV R3,S7
MOV R2,S6
ACALL ADDITION
MOV S7, R1
MOV S6 ,R0
ACALL QL
MOV R0,S3
MOV R1,#0
MOV DPTR, #100
MOV R3, DPH
MOV R2, DPL
ACALL MULTIPLICATION
MOV A,R5
MOV R1,A
MOV A,R4
MOV R0,A
MOV R3,S7
MOV R2,S6
ACALL ADDITION
MOV S7, R1
MOV S6 ,R0
ACALL QL
MOV R0,S4
MOV R1,#0
MOV DPTR, #10
MOV R3, DPH
MOV R2, DPL
ACALL MULTIPLICATION
MOV A,R5
MOV R1,A
MOV A,R4
MOV R0,A
MOV R3,S7
MOV R2,S6
ACALL ADDITION
MOV S7, R1
MOV S6 ,R0
ACALL QL
MOV R0,S5
MOV R1,#0
MOV DPTR, #1
MOV R3, DPH
MOV R2, DPL
ACALL MULTIPLICATION
MOV A,R5
MOV R1,A
MOV A,R4
MOV R0,A
MOV R3,S7
MOV R2,S6
ACALL ADDITION
MOV S7, R1
MOV S6 ,R0
RET
;************************************************************數(shù)字電路分離功能**************************************************************
CALCULATOR_SEPARATE: ;入口參數(shù)S6,S7，出口參數(shù)，S1,S2,S3,S4,S5
ACALL QL
MOV R6,S7
MOV R7,S6
MOV DPTR, #10000
MOV R4, DPH
MOV R5, DPL
ACALL DIVISION
MOV S1,R7
MOV S7,R4
MOV S6,R5
ACALL QL
MOV R6,S7
MOV R7,S6
MOV DPTR, #1000
MOV R4, DPH
MOV R5, DPL
ACALL DIVISION
MOV S2,R7
MOV S7,R4
MOV S6,R5
ACALL QL
MOV R6,S7
MOV R7,S6
MOV DPTR, #100
MOV R4, DPH
MOV R5, DPL
ACALL DIVISION
MOV S3,R7
MOV S7,R4
MOV S6,R5
ACALL QL
MOV R6,S7
MOV R7,S6
MOV DPTR, #10
MOV R4, DPH
MOV R5, DPL
ACALL DIVISION
MOV S4,R7
MOV S7,R4
MOV S6,R5
ACALL QL
MOV R6,S7
MOV R7,S6
MOV DPTR, #1
MOV R4, DPH
MOV R5, DPL
ACALL DIVISION
MOV S5,R7
RET
;****************************************************0—-65535之內(nèi)加減乘除*******************************************************************
;**********************************************************加法******************************************************************************
ADDITION: ;入口：R1(H),R0,R3(H),R2,出口：和R1(H),R0(L)
MOV A,R0
ADD A,R2
MOV R0,A
MOV A,R1
ADDC A,R3
MOV R1,A
RET
;**********************************************************減法******************************************************************************
SUBTRACTION: ;入口：減數(shù)R3(H),R2(L),被減數(shù)R1(H),R0(L),出口：差R1(H),R0(L)
CLR C
MOV A,R0
SUBB A,R2
MOV R0,A
MOV A,R1
SUBB A,R3
MOV R1,A
RET
;**********************************************************乘法******************************************************************************
MULTIPLICATION: ;入口：被乘數(shù)R3,R2,乘數(shù)R1,R0,結(jié)果R7,R6,R5,R4
CLR A
MOV
R7, A
MOV R6, A
MOV R5, A
MOV R4, A
MOV 46H, #10H
MULLOOP1:
CLR C
MOV A, R4
RLC A
MOV R4, A
MOV A, R5
RLC A
MOV R5, A
MOV A, R6
RLC A
MOV R6, A
MOV A, R7
RLC A
MOV R7, A
MOV A, R0
RLC A
MOV R0, A
MOV A, R1
RLC A
MOV R1,A
JNC MULLOOP2
CLR C
MOV A, R4
ADDC A, R2
MOV R4, A
MOV A, R5
ADDC A, R3
MOV R5, A
MOV A, R6
ADDC A, #00H
MOV R6, A
MOV A, R7
ADDC A, #00H
MOV R7, A
MULLOOP2: DJNZ 46H,MULLOOP1
RET
;**********************************************************除法******************************************************************************
DIVISION: ;入口：R6(H),R7(L),被除數(shù)，R4(H),R5(L),除數(shù)，出口：商R6(H),R7(L)，余R4(H),R5(L)
UDIV:
CLR C
CLR A
MOV R2,A
MOV R3,A
MOV B,#10H
MOVBIT: MOV A,R7;R6、R7中數(shù)據(jù)左移一位到R2、R3中,C到R7
RLC A
MOV R7,A
MOV A,R6
RLC A
MOV R6,A
MOV A,R3
RLC A
MOV R3,A
MOV A,R2
RLC A
MOV R2,A
CLR C ;R2R3-R4R5
MOV A,R3
SUBB A,R5
PUSH Acc
MOV A,R2
SUBB A,R4
JBC Cy,MOVBIT0;不夠減，清C繼續(xù)左移
MOV R2,A;夠減，存回余數(shù)并置位C
POP Acc
MOV R3,A
SETB C
SJMP MOVBIT1
MOVBIT0: POP Acc
MOVBIT1: DJNZ B,MOVBIT
MOV A,R7
RLC A
MOV R7,A
MOV A,R6
RLC A
MOV R6,A
MOV A,R2
MOV R4,A
MOV A,R3
MOV R5,A
RET
;**********************************************************寄存器清零******************************************************************************
QL:
MOV R0,#0
MOV R1,#0
MOV R2,#0
MOV R3,#0
MOV R4,#0
MOV R5,#0
MOV R6,#0
MOV R7,#0
RET
;###################################################查表源程序，入口參數(shù)A,DPTR#############################################################
LOOK_UP_TABLE:
MOVC A, @A+DPTR
RET
;***************************************************查表程序1,入口參數(shù)A********************************************************************************
LOOK_UP_TABLE1:
MOV DPTR,#LEDMAP
MOVC A, @A+DPTR
RET
;###################################################初始化顯示緩沖區(qū)程序###################################################################
INIT_LEDBUF:
MOV VARIABLE_LEDBUF+0,#0FFH
MOV VARIABLE_LEDBUF+1,#0FFH
MOV VARIABLE_LEDBUF+2,#0FFH
MOV VARIABLE_LEDBUF+3,#0FFH
MOV ROW_COLUMN,#07H
;###################################################變量初始化程序##########################################################################
INIT_VARIABLE:
MOV VARIABLE_STORE1,#0
MOV VARIABLE_STORE2,#0
MOV VARIABLE_STORE3,#0
MOV VARIABLE_STORE4,#0
MOV VARIABLE_STORE5,#0
MOV VARIABLE_STORE6,#0
MOV VARIABLE_INPUT1A,#0
MOV VARIABLE_INPUT1B,#0
MOV VARIABLE_INPUT1C,#0
MOV VARIABLE_INPUT1D,#0
MOV VARIABLE_INPUT2A,#0
MOV VARIABLE_INPUT2B,#0
MOV VARIABLE_INPUT2C,#0
MOV
VARIABLE_INPUT2D,#0
MOV VARIABLE_REPLACE_POINT,#0
;MOV VARIABLE_RESULTB,#0
;MOV VARIABLE_RESULTC,#0
;MOV VARIABLE_RESULTD,#0
MOV VARIABLE_SIGN1,#0
MOV VARIABLE_SIGN2,#0
MOV VARIABLE_INPUT1_POINT,#0
MOV VARIABLE_INPUT2_POINT,#0
MOV VARIABLE_RESULT_POINT,#0
MOV VARIABLE_PLACE1_POINT,#VARIABLE_INPUT1A
MOV VARIABLE_PLACE2_POINT,#VARIABLE_INPUT2A
MOV VARIABLE_LEDBUF_POINT,#VARIABLE_LEDBUF
MOV S1,#0
MOV S2,#0
MOV S3,#0
MOV S4,#0
MOV S5,#0
MOV S6,#0
MOV S7,#0
SETB KEY1
SETB KEY2
SETB KEY3
SETB KEY4
RET
;***************************************************初始化程序******************************************************************************
INIT:
ACALL INIT_VARIABLE
ACALL INIT_LEDBUF
RET
;$$$$主程序區(qū)$$$$$
STABLE:
……………………
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