Mercurial > hg > ede
diff emu_MCS-51/STARTUP.LST @ 33:02241452f397
8052 port code added to repo
| author | james <jb302@eecs.qmul.ac.uk> |
|---|---|
| date | Tue, 15 Apr 2014 15:49:16 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/emu_MCS-51/STARTUP.LST Tue Apr 15 15:49:16 2014 +0100 @@ -0,0 +1,252 @@ +A51 MACRO ASSEMBLER STARTUP 04/15/2014 15:32:07 PAGE 1 + + +MACRO ASSEMBLER A51 V8.02 +OBJECT MODULE PLACED IN STARTUP.OBJ +ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE STARTUP.A51 SET(SMALL) DEBUG EP + +LOC OBJ LINE SOURCE + + 1 $nomod51 + 2 ;------------------------------------------------------------------------------ + 3 ; This file is part of the C51 Compiler package + 4 ; Copyright (c) 1988-2005 Keil Elektronik GmbH and Keil Software, Inc. + 5 ; Version 8.01 + 6 ; + 7 ; *** <<< Use Configuration Wizard in Context Menu >>> *** + 8 ;------------------------------------------------------------------------------ + 9 ; STARTUP.A51: This code is executed after processor reset. + 10 ; + 11 ; To translate this file use A51 with the following invocation: + 12 ; + 13 ; A51 STARTUP.A51 + 14 ; + 15 ; To link the modified STARTUP.OBJ file to your application use the following + 16 ; Lx51 invocation: + 17 ; + 18 ; Lx51 your object file list, STARTUP.OBJ controls + 19 ; + 20 ;------------------------------------------------------------------------------ + 21 ; + 22 ; User-defined <h> Power-On Initialization of Memory + 23 ; + 24 ; With the following EQU statements the initialization of memory + 25 ; at processor reset can be defined: + 26 ; + 27 ; <o> IDATALEN: IDATA memory size <0x0-0x100> + 28 ; <i> Note: The absolute start-address of IDATA memory is always 0 + 29 ; <i> The IDATA space overlaps physically the DATA and BIT areas. + 0080 30 IDATALEN EQU 80H + 31 ; + 32 ; <o> XDATASTART: XDATA memory start address <0x0-0xFFFF> + 33 ; <i> The absolute start address of XDATA memory + 0000 34 XDATASTART EQU 0 + 35 ; + 36 ; <o> XDATALEN: XDATA memory size <0x0-0xFFFF> + 37 ; <i> The length of XDATA memory in bytes. + 0000 38 XDATALEN EQU 0 + 39 ; + 40 ; <o> PDATASTART: PDATA memory start address <0x0-0xFFFF> + 41 ; <i> The absolute start address of PDATA memory + 0000 42 PDATASTART EQU 0H + 43 ; + 44 ; <o> PDATALEN: PDATA memory size <0x0-0xFF> + 45 ; <i> The length of PDATA memory in bytes. + 0000 46 PDATALEN EQU 0H + 47 ; + 48 ;</h> + 49 ;------------------------------------------------------------------------------ + 50 ; + 51 ;<h> Reentrant Stack Initialization + 52 ; + 53 ; The following EQU statements define the stack pointer for reentrant + 54 ; functions and initialized it: + 55 ; + 56 ; <h> Stack Space for reentrant functions in the SMALL model. + 57 ; <q> IBPSTACK: Enable SMALL model reentrant stack + 58 ; <i> Stack space for reentrant functions in the SMALL model. + A51 MACRO ASSEMBLER STARTUP 04/15/2014 15:32:07 PAGE 2 + + 0000 59 IBPSTACK EQU 0 ; set to 1 if small reentrant is used. + 60 ; <o> IBPSTACKTOP: End address of SMALL model stack <0x0-0xFF> + 61 ; <i> Set the top of the stack to the highest location. + 0100 62 IBPSTACKTOP EQU 0xFF +1 ; default 0FFH+1 + 63 ; </h> + 64 ; + 65 ; <h> Stack Space for reentrant functions in the LARGE model. + 66 ; <q> XBPSTACK: Enable LARGE model reentrant stack + 67 ; <i> Stack space for reentrant functions in the LARGE model. + 0000 68 XBPSTACK EQU 0 ; set to 1 if large reentrant is used. + 69 ; <o> XBPSTACKTOP: End address of LARGE model stack <0x0-0xFFFF> + 70 ; <i> Set the top of the stack to the highest location. + 0000 71 XBPSTACKTOP EQU 0xFFFF +1 ; default 0FFFFH+1 + 72 ; </h> + 73 ; + 74 ; <h> Stack Space for reentrant functions in the COMPACT model. + 75 ; <q> PBPSTACK: Enable COMPACT model reentrant stack + 76 ; <i> Stack space for reentrant functions in the COMPACT model. + 0000 77 PBPSTACK EQU 0 ; set to 1 if compact reentrant is used. + 78 ; + 79 ; <o> PBPSTACKTOP: End address of COMPACT model stack <0x0-0xFFFF> + 80 ; <i> Set the top of the stack to the highest location. + 0100 81 PBPSTACKTOP EQU 0xFF +1 ; default 0FFH+1 + 82 ; </h> + 83 ;</h> + 84 ;------------------------------------------------------------------------------ + 85 ; + 86 ; Memory Page for Using the Compact Model with 64 KByte xdata RAM + 87 ; <e>Compact Model Page Definition + 88 ; + 89 ; <i>Define the XDATA page used for PDATA variables. + 90 ; <i>PPAGE must conform with the PPAGE set in the linker invocation. + 91 ; + 92 ; Enable pdata memory page initalization + 0000 93 PPAGEENABLE EQU 0 ; set to 1 if pdata object are used. + 94 ; + 95 ; <o> PPAGE number <0x0-0xFF> + 96 ; <i> uppermost 256-byte address of the page used for PDATA variables. + 0000 97 PPAGE EQU 0 + 98 ; + 99 ; <o> SFR address which supplies uppermost address byte <0x0-0xFF> + 100 ; <i> most 8051 variants use P2 as uppermost address byte + 00A0 101 PPAGE_SFR DATA 0A0H + 102 ; + 103 ; </e> + 104 ;------------------------------------------------------------------------------ + 105 + 106 ; Standard SFR Symbols + 00E0 107 ACC DATA 0E0H + 00F0 108 B DATA 0F0H + 0081 109 SP DATA 81H + 0082 110 DPL DATA 82H + 0083 111 DPH DATA 83H + 112 + 113 NAME ?C_STARTUP + 114 + 115 + 116 ?C_C51STARTUP SEGMENT CODE + 117 ?STACK SEGMENT IDATA + 118 +---- 119 RSEG ?STACK +0000 120 DS 1 + 121 + 122 EXTRN CODE (?C_START) + 123 PUBLIC ?C_STARTUP + 124 + A51 MACRO ASSEMBLER STARTUP 04/15/2014 15:32:07 PAGE 3 + +---- 125 CSEG AT 0 +0000 020000 F 126 ?C_STARTUP: LJMP STARTUP1 + 127 +---- 128 RSEG ?C_C51STARTUP + 129 +0000 130 STARTUP1: + 131 + 132 IF IDATALEN <> 0 +0000 787F 133 MOV R0,#IDATALEN - 1 +0002 E4 134 CLR A +0003 F6 135 IDATALOOP: MOV @R0,A +0004 D8FD 136 DJNZ R0,IDATALOOP + 137 ENDIF + 138 + 139 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 + 153 + 154 IF PPAGEENABLE <> 0 + MOV PPAGE_SFR,#PPAGE + ENDIF + 157 + 158 IF PDATALEN <> 0 + MOV R0,#LOW (PDATASTART) + MOV R7,#LOW (PDATALEN) + CLR A + PDATALOOP: MOVX @R0,A + INC R0 + DJNZ R7,PDATALOOP + ENDIF + 166 + 167 IF IBPSTACK <> 0 + EXTRN DATA (?C_IBP) + + MOV ?C_IBP,#LOW IBPSTACKTOP + ENDIF + 172 + 173 IF XBPSTACK <> 0 + EXTRN DATA (?C_XBP) + + MOV ?C_XBP,#HIGH XBPSTACKTOP + MOV ?C_XBP+1,#LOW XBPSTACKTOP + ENDIF + 179 + 180 IF PBPSTACK <> 0 + EXTRN DATA (?C_PBP) + MOV ?C_PBP,#LOW PBPSTACKTOP + ENDIF + 184 +0006 758100 F 185 MOV SP,#?STACK-1 + 186 + 187 ; This code is required if you use L51_BANK.A51 with Banking Mode 4 + 188 ;<h> Code Banking + 189 ; <q> Select Bank 0 for L51_BANK.A51 Mode 4 + 190 + A51 MACRO ASSEMBLER STARTUP 04/15/2014 15:32:07 PAGE 4 + + + + + + 195 ;</h> +0009 020000 F 196 LJMP ?C_START + 197 + 198 END + A51 MACRO ASSEMBLER STARTUP 04/15/2014 15:32:07 PAGE 5 + +SYMBOL TABLE LISTING +------ ----- ------- + + +N A M E T Y P E V A L U E ATTRIBUTES + +?C_C51STARTUP. . . C SEG 000CH REL=UNIT +?C_START . . . . . C ADDR ----- EXT +?C_STARTUP . . . . C ADDR 0000H A +?STACK . . . . . . I SEG 0001H REL=UNIT +ACC. . . . . . . . D ADDR 00E0H A +B. . . . . . . . . D ADDR 00F0H A +DPH. . . . . . . . D ADDR 0083H A +DPL. . . . . . . . D ADDR 0082H A +IBPSTACK . . . . . N NUMB 0000H A +IBPSTACKTOP. . . . N NUMB 0100H A +IDATALEN . . . . . N NUMB 0080H A +IDATALOOP. . . . . C ADDR 0003H R SEG=?C_C51STARTUP +PBPSTACK . . . . . N NUMB 0000H A +PBPSTACKTOP. . . . N NUMB 0100H 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 +SP . . . . . . . . D ADDR 0081H A +STARTUP1 . . . . . C ADDR 0000H R SEG=?C_C51STARTUP +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)