startu32.lst

USB IAP (In Application Programming) Demo for uPSD32

                     127     
                     128     ; uPSD specific initialization
0000 7455            129                     MOV     A, #055H        ; Disable Watch Dog Reset
0002 F5AE            130                     MOV     WDKEY, A
                     131     
0004 74FE            132                     MOV     A, #0FEH        ; Load pre-scalars with large value
0006 F595            133                     MOV     ASCL, A         ; Slow down ADC Logic
0008 F5B1            134                     MOV     PSCL0L, A       ; Slow down PWM Logic
000A F5B2            135                     MOV     PSCL0H, A
000C F5B3            136                     MOV     PSCL1L, A
000E F5B4            137                     MOV     PSCL1H, A
0010 F5E1            138                     MOV     USCL, A         ; Slow down USB Logic
                     139     
0012 7400            140                     MOV     A,#0            ; Disable DDC and DDC XRAM out of addr space
0014 F5A8            141                     MOV     EA,A            ; EA=0; disable all INTs
0016 F5EE            142                     MOV     UADR, A         ; Disable USB Logic
0018 F5E9            143                     MOV     UIEN, A         ; Disable USB Logic
                     144     
001A F5D7            145                     MOV     DDCCON, A
001C F5D8            146                     MOV     S1CON, A        ; Disable DDC I2C as well
                     147     
001E F5D0            148                     MOV     PSW, A          ; register BANK 0
                     149     
                     150     
                     151     IF IDATALEN <> 0
0020 78FF            152                     MOV     R0,#IDATALEN - 1
0022 E4              153                     CLR     A
0023 F6              154     IDATALOOP:      MOV     @R0,A
0024 D8FD            155                     DJNZ    R0,IDATALOOP
                     156     ENDIF
                     157     
                     158     IF XDATALEN <> 0
                                             MOV     DPTR,#XDATASTART
                                             MOV     R7,#LOW (XDATALEN)
                               IF (LOW (XDATALEN)) <> 0
                                             MOV     R6,#(HIGH (XDATALEN)) +1
                               ELSE
                                             MOV     R6,#HIGH (XDATALEN)
                               ENDIF
                                             CLR     A
                             XDATALOOP:      MOVX    @DPTR,A
                                             INC     DPTR
                                             DJNZ    R7,XDATALOOP
                                             DJNZ    R6,XDATALOOP
                             ENDIF
                     172     
                     173     IF PPAGEENABLE <> 0
                                             MOV     PPAGE_SFR,#PPAGE
                             ENDIF
                     176     
                     177     IF PDATALEN <> 0
                                             MOV     R0,#LOW (PDATASTART)
                                             MOV     R7,#LOW (PDATALEN)
                                             CLR     A
                             PDATALOOP:      MOVX    @R0,A
                                             INC     R0
                                             DJNZ    R7,PDATALOOP
                             ENDIF
                     185     
                     186     IF IBPSTACK <> 0
                             EXTRN DATA (?C_IBP)
                             
                                             MOV     ?C_IBP,#LOW IBPSTACKTOP
                             ENDIF
A51 MACRO ASSEMBLER  STARTU32                                                             04/30/2004 12:57:59 PAGE     4

                     191     
                     192     IF XBPSTACK <> 0
                             EXTRN DATA (?C_XBP)
                             
                                             MOV     ?C_XBP,#HIGH XBPSTACKTOP
                                             MOV     ?C_XBP+1,#LOW XBPSTACKTOP
                             ENDIF
                     198     
                     199     IF PBPSTACK <> 0
                             EXTRN DATA (?C_PBP)
                                             MOV     ?C_PBP,#LOW PBPSTACKTOP
                             ENDIF
                     203     
0026 758100   F      204                     MOV     SP,#?STACK-1  ;#080H ;#?STACK-1
                     205     ; This code is required if you use L51_BANK.A51 with Banking Mode 4
                     206     ; EXTRN CODE (?B_SWITCH0)
                     207     ;               CALL    ?B_SWITCH0      ; init bank mechanism to code bank 0
0029 020000   F      208                     LJMP    ?C_START
                     209     
                     210                     END
A51 MACRO ASSEMBLER  STARTU32                                                             04/30/2004 12:57:59 PAGE     5

SYMBOL TABLE LISTING
------ ----- -------


N A M E             T Y P E  V A L U E   ATTRIBUTES

?C_C51STARTUP. . .  C SEG    002CH       REL=UNIT
?C_START . . . . .  C ADDR   -----       EXT
?C_STARTUP . . . .  C ADDR   0000H   A   
?STACK . . . . . .  I SEG    0001H       REL=UNIT
ACC. . . . . . . .  D ADDR   00E0H   A   
ASCL . . . . . . .  D ADDR   0095H   A   
B. . . . . . . . .  D ADDR   00F0H   A   
DDCCON . . . . . .  D ADDR   00D7H   A   
DPH. . . . . . . .  D ADDR   0083H   A   
DPL. . . . . . . .  D ADDR   0082H   A   
EA . . . . . . . .  D ADDR   00A8H   A   
IBPSTACK . . . . .  N NUMB   0000H   A   
IBPSTACKTOP. . . .  N NUMB   0100H   A   
IDATALEN . . . . .  N NUMB   0100H   A   
IDATALOOP. . . . .  C ADDR   0023H   R   SEG=?C_C51STARTUP
PBPSTACK . . . . .  N NUMB   0000H   A   
PBPSTACKTOP. . . .  N NUMB   0000H   A   
PDATALEN . . . . .  N NUMB   0000H   A   
PDATASTART . . . .  N NUMB   0000H   A   
PPAGE. . . . . . .  N NUMB   0000H   A   
PPAGEENABLE. . . .  N NUMB   0000H   A   
PPAGE_SFR. . . . .  D ADDR   00A0H   A   
PSCL0H . . . . . .  D ADDR   00B2H   A   
PSCL0L . . . . . .  D ADDR   00B1H   A   
PSCL1H . . . . . .  D ADDR   00B4H   A   
PSCL1L . . . . . .  D ADDR   00B3H   A   
PSW. . . . . . . .  D ADDR   00D0H   A   
S1CON. . . . . . .  D ADDR   00D8H   A   
SP . . . . . . . .  D ADDR   0081H   A   
STARTUP1 . . . . .  C ADDR   0000H   R   SEG=?C_C51STARTUP
UADR . . . . . . .  D ADDR   00EEH   A   
UIEN . . . . . . .  D ADDR   00E9H   A   
USCL . . . . . . .  D ADDR   00E1H   A   
WDKEY. . . . . . .  D ADDR   00AEH   A   
XBPSTACK . . . . .  N NUMB   0000H   A   
XBPSTACKTOP. . . .  N NUMB   0000H   A   
XDATALEN . . . . .  N NUMB   0000H   A   
XDATASTART . . . .  N NUMB   0000H   A   


REGISTER BANK(S) USED: 0 


ASSEMBLY COMPLETE.  0 WARNING(S), 0 ERROR(S)