菜鸟请教高手……
下面是自己编得一个小程序，不是很懂汇编，所以整个程序不知道具体哪出问题了，还请高手指教，谢谢！INCLUDE 'derivative.inc'
XDEF _Startup, main,SYS_Init
XREF __SEG_END_SSTACK
ORG RAMStart ;以下定义变量
AD_data: DS.B 2 ;$0060
D_data: DS.B 4 ;$0062
Count1: DS.B 1 ;$0066
Count2: DS.B 1 ;$0067
State: DS.B 1 ;$0068
TR_data: DS.B 8 ;$0069
Nm: DS.B 1 ;$0071
Nah: DS.B 1 ;$0072
Nal: DS.B 1 ;$0073
ch_data: DS.B 1 ;$0074
Temp: DS.B 1 ;$0075
ORG ROMStart
main:
_Startup: SEI
LDHX #RAMEnd+1 ; initialize the stack pointer
TXS
BRA SYS_Init
CLI ; enable interrupts
mainLoop: BRCLR 7,TPMSC,*
BSR AD_disp
BRSET 5,SCIS1,TR_disp
BRA mainLoop
ORG NVPROT ;Flash保护寄存器
DC.B $FF
ORG NVOPT ;Flash选项寄存器
DC.B $7E
SYS_Init: .
.
.
.
;AD采样处理部分
AD_disp: LDA #$50 ;after 50 samples then compare
STA Count2
AD_disp1: LDA #$04 ;use 4 value method
STA Count1
LDX #$00
sample: BRCLR 7,ADCSC1,* ;sample
LDA ADCRL
STA $62,X
INCX
DBNZ $66,sample
BSR compare1
STA $60
DBNZ $67,AD_disp1
compare2: LDA $61
CMP $60
BLS J1 ;Below then turn
CMP $72 ;fewer?
BLS J2
CMP $73 ;need change
BLS J3
MOV #$92,$68
STA Temp
RTS
J1: MOV #$98,$68
STA Temp
RTS
J2: MOV #$94,$68
STA Temp
RTS
J3: MOV #$96,$68
STA Temp
RTS
p1: LDX #$02 ;clear AD_data
CLR $60,X
DBNZX p1
RTS
compare1: LDA $62
CMP $63
BHI s1 ;M0>M1,change
CMP $64
BHI s2 ;M0>M2,change
CMP $65
BHI s3 ;M0>M3,change
LDA $63
CMP $64
BHI s4 ;M1>M2,change
CMP $65
BHI s5 ;M1>M3,change
LDA $64
CMP $65
BHI s6 ;M2>M3,change
LDA $63
ADD $64
LSRA
p2: LDX #$04 ;Clean D_data
CLR $62,X
DBNZX p2
RTS
s1: STA $75 ;change M0&M1
LDA $63
BSR s0
RTS
s2: STA $75 ;change M0&M2
LDA $64
BSR s0
RTS
s3: STA $75 ;change M0&M3
LDA $65
BSR s0
RTS
s0: MOV $75,$62 ;put M0 to Temp
LDA $62
RTS
s4: STA $75 ;change M1&M2
LDA $64
MOV $75,$63
LDA $63
RTS
s5: STA $75 ;change M1&M3
LDA $65
MOV $75,$63
LDA $63
RTS
s6: STA $75 ;change M2&M3
LDA $65
MOV $75,$64
RTS
;TR通信处理部分
TR_disp: LDX #$00
BRA TR1
RTS
TR1: LDA SCID ;Receive 8 bytes ,1 frame message
STA TR_data,X
BRCLR 5,SCIS1,*
INCX
CMP #$08
BNE TR1
TR3: NOP
BSR TR2
CBEQ $70,TR4 ;check
BSR finish
TR2: LDA $69 ;Sum the fomer 7 bytes
LDX #$01
ADD $69,X
INCX
CMP #$07
BNE TR2
RTS
finish: LDX #$08 ;clear TR_data,and exit communicate
CLR $69,X
DBNZX finish
BRA mainLoop ;return mainLoop
TR4: LDA $69 ;check the message of received frame
CMP #$EB
BNE finish
LDA $6A
CMP #$90
BNE finish
LDA $6B
CMP #$00
BNE finish
LDA $6C
CBEQA #$01,set0 ;need to set the initation of transfusion bottle
CBEQA #$03,sta_disp ;enter sta_disp
CBEQA #$05,da_disp ;enter da_disp
BSR finish
set0: MOV $6D,$71 ;set Nm
MOV $6E,$72 ;set Nah
MOV $6F,$73 ;set Nal
BSR finish
TR5: JSR TR2
sta_disp: LDA #$92 ;normal?then go to finish
CBEQ $68,finish
LDA #$98 ;unnormal?then go to disp
CBEQ $68,disp
LDA #$94 ;fewer?then go to disp
CBEQ $68,disp
LDA #$96
CBEQ $68,disp ;need change?then go to disp
BSR finish
disp: MOV #$06,$6C ;set funcation number =06
MOV $68,$6D ;set TR_data+4=state
MOV #$00,$6E ;set TR_data+5=0
MOV #$00,$6F ;set TR_data+6=0
BRA TR2 ;sum the former 7 bytes data
STA $70 ;fill the latest byte
RTS
send: LDX #$00 ;send 8 bytes messages
BRA send0
RTS
send0: BRCLR 7,SCIS1,*
LDA $69,X
STA SCID
BRCLR 6,SCIS1,*
INCX
CMP #$08
BNE send0
RTS
da_disp: MOV #$08,$6C ;set funcation number = 08
MOV $75,$6D ;fill TR_data+4=the weight transfusion bottle
BSR TR5
STA $70 ;fill TR_data+7=the value of check
BSR send
RTS
ORG $FFFE
END
