Motorola M68CPU32BUG Manual de usuario descargar pdf (Pagina 121)

SYSTEM CALLS

M68CPU32BUG/D REV 1 5-7

.CHKBRK Check for Break .CHKBRK

5.2.3 Check for Break

SYSCALL .CHKBRK

TRAP CODE: $0005

Returns zero (0) status in condition code register if break status is detected at the default input

port.

Entry Conditions:

No arguments or stack allocation required

Exit Conditions:

Z flag set in CCR if break detected

EXAMPLE

SYSCALL .CHKBRK

BEQ BREAK

1 2 ... 116 117 118 119 120 121 122 123 124 125 126 ... 195 196

M68CPU32BUG DEBUG MONITOR 1
USER’S MANUAL 1
M68CPU32BUG/D 1
TABLE OF CONTENTS 3
M68CPU32BUG/D REV 1 ii 4
M68CPU32BUG/D REV 1 iii 5
M68CPU32BUG/D REV 1 iv 6
M68CPU32BUG/D REV 1 v 7
LIST OF FIGURES 8
LIST OF TABLES 8
CHAPTER 1 9
1.1 INTRODUCTION 9
1.2 GENERAL DESCRIPTION 9
GENERAL INFORMATION 10
M68CPU32BUG/D REV 1 1-2 10
1.3 USING THIS MANUAL 11
1.5 SYSTEM RESTART 12
1.6 MEMORY REQUIREMENTS 13
Figure 1-2. BCC Memory Map 14
M68CPU32BUG/D REV 1 1-7 15
M68CPU32BUG/D REV 1 1-8 16
CHAPTER 2 17
DEBUG MONITOR DESCRIPTION 17
2.1 INTRODUCTION 17
M68CPU32BUG/D REV 1 2-2 18
M68CPU32BUG/D REV 1 2-3 19
M68CPU32BUG/D REV 1 2-4 20
M68CPU32BUG/D REV 1 2-5 21
M68CPU32BUG/D REV 1 2-6 22
M68CPU32BUG/D REV 1 2-7 23
M68CPU32BUG/D REV 1 2-8 24
M68CPU32BUG/D REV 1 2-9 25
M68CPU32BUG/D REV 1 2-10 26
M68CPU32BUG/D REV 1 2-11 27
2.6 FUNCTION CODE SUPPORT 28
M68CPU32BUG/D REV 1 2-13 29
M68CPU32BUG/D REV 1 2-14 30
CHAPTER 3 31
3.1 INTRODUCTION 31
M68CPU32BUG/D REV 1 3-2 32
BC Block of Memory Compare BC 33
BF Block of Memory Fill BF 35
BM Block of Memory Move BM 37
BR Breakpoint Insert BR 39
BS Block of Memory Search BS 40
BV Block of Memory Verify BV 43
DC Data Conversion DC 45
DU Dump S-Records DU 46
M68CPU32BUG/D REV 1 3-19 49
M68CPU32BUG/D REV 1 3-20 50
GN Go To Next Instruction GN 51
GO Go Execute User Program GO 53
M68CPU32BUG/D REV 1 3-26 56
M68CPU32BUG/D REV 1 3-27 57
HE Help HE 58
M68CPU32BUG/D REV 1 3-31 61
M68CPU32BUG/D REV 1 3-32 62
M68CPU32BUG/D REV 1 3-33 63
MA Macro Define/Display MA 64
MAE Macro Edit MAE 67
M68CPU32BUG/D REV 1 3-39 69
MD Memory Display MD 70
MM Memory Modify MM 72
MS Memory Set MS 74
M68CPU32BUG/D REV 1 3-45 75
M68CPU32BUG/D REV 1 3-46 76
M68CPU32BUG/D REV 1 3-47 77
PA Printer Attached PA 78
PF Port Format PF 79
RD Register Display RD 82
RESET Cold/Warm Reset RESET 86
RM Register Modify RM 87
RS Register Set RS 88
SD Switch Directories SD 89
T Trace T 90
M68CPU32BUG/D REV 1 3-63 93
Trace on change of flow: 94
TM Transparent Mode TM 95
M68CPU32BUG/D REV 1 3-66 96
M68CPU32BUG/D REV 1 3-67 97
M68CPU32BUG/D REV 1 3-68 98
M68CPU32BUG/D REV 1 3-69 99
DEBUG MONITOR COMMANDS 100
M68CPU32BUG/D REV 1 3-70 100
M68CPU32BUG/D REV 1 3-71 101
M68CPU32BUG/D REV 1 3-72 102
CHAPTER 4 103
ASSEMBLER/DISASSEMBLER 103
4.1 INTRODUCTION 103
4.2SOURCE PROGRAM CODING 104
M68CPU32BUG/D 4-3 105
M68CPU32BUG/D 4-4 106
Pseudo Registers 107
Main Processor Registers 107
M68CPU32BUG/D 4-6 108
M68CPU32BUG/D 4-7 109
M68CPU32BUG/D 4-8 110
M68CPU32BUG/D 4-9 111
M68CPU32BUG/D 4-10 112
M68CPU32BUG/D 4-11 113
0000D000 6000BF68 BRA *-4096 114
0000D000 60FE BRA.B * 114
0000D000 4EF90000 D000 JMP * 114
CHAPTER 5 115
SYSTEM CALLS 115
5.1 INTRODUCTION 115
5.2 SYSTEM CALL ROUTINES 116
M68CPU32BUG/D REV 1 5-3 117
M68CPU32BUG/D REV 1 5-4 118
M68CPU32BUG/D REV 1 5-5 119
COUNT = 3 120
COUNT = 3? 5<CR> 120
COUNT = 5 120
COUNT = 3? <CR> 120
SYSCALL .CHKBRK 121
BEQ BREAK 121
M68CPU32BUG/D REV 1 5-8 122
M68CPU32BUG/D REV 1 5-9 123
.ERASLN Erase Line .ERASLN 124
SYSCALL .INCHR Call .INCHR 125
M68CPU32BUG/D REV 1 5-12 126
M68CPU32BUG/D REV 1 5-13 127
M68CPU32BUG/D REV 1 5-14 128
MOVE.B D0,-(A7) 129
Send character in D0 129
SYSCALL .OUTCHR 129
To default output port 129
.OUTSTR .OUTSTR 130
M68CPU32BUG/D REV 1 5-17 131
PEA (A0) 132
Long buffer address 132
SYSCALL .READLN 132
M68CPU32BUG/D REV 1 5-19 133
SYSCALL .RETURN 134
Return to CPU32Bug 134
.SNDBRK Send Break .SNDBRK 135
M68CPU32BUG/D REV 1 5-22 136
SYSCALL .TM_INI 137
Initialize timer 137
.TM_RD Read Timer .TM_RD 138
SYSCALL .TM_STR0 139
Start Timer at T=0 .TM_STR0 140
.WRITDLN .WRITDLN 141
.WRITELN .WRITELN 143
CHAPTER 6 145
DIAGNOSTIC FIRMWARE GUIDE 145
6.1 INTRODUCTION 145
6.2 DIAGNOSTIC MONITOR 145
M68CPU32BUG/D REV 1 6-2 146
M68CPU32BUG/D REV 1 6-3 147
6.3 UTILITIES 148
M68CPU32BUG/D REV 1 6-5 149
CPU CPU Tests For The MCU CPU 150
CPU A Register Test CPU A 151
CPU B Instruction Test CPU B 152
CPU C Address Mode Test CPU C 153
M68CPU32BUG/D REV 1 6-10 154
MT Memory Tests MT 155
M68CPU32BUG/D REV 1 6-12 156
MT A Set Function Code MT A 157
MT B Set Start Address MT B 158
MT C Set Stop Address MT C 159
MT D Set Bus Data Width MT D 160
MT E March Address Test MT E 161
MT F Walk a Bit Test MT F 162
MT G Refresh Test MT G 163
MT H Random Byte Test MT H 164
MT I Program Test MT I 165
MT J Test and Set Test MT J 166
BERR Bus Error Test BERR 167
M68CPU32BUG/D REV 1 6-24 168
APPENDIX A 169
S-RECORD INFORMATION 169
A.1 INTRODUCTION 169
A.2 S-RECORD CONTENT 169
A.3 S-RECORD TYPES 170
A.4 S-RECORDS CREATION 171
M68CPU32BUG REV 1 A-4 172
APPENDIX B 173
SELF-TEST ERROR MESSAGES 173
B.1 INTRODUCTION 173
M68CPU32BUG REV 1 B-2 174
APPENDIX C 175
USER CUSTOMIZATION 175
C.1 INTRODUCTION 175
C.2 CPU32BUG CUSTOMIZATION 176
M68CPU32BUG REV 1 C-3 177
C>DEL TMP.MX<CR> 178
C>DEL C32B1.MX<CR> 178
C.3 CUSTOMIZATION TABLE 179
M68CPU32BUG REV 1 C-6 180
M68CPU32BUG REV 1 C-7 181
ROM AUTO BOOT VECTORS 182
Periodic Interrupt Timer 183
M68CPU32BUG REV 1 C-10 184
M68CPU32BUG REV 1 C-11 185
M68CPU32BUG REV 1 C-12 186
M68CPU32BUG REV 1 C-13 187
C.4 COMMUNICATION FORMATS 188
M68CPU32BUG REV 1 C-15 189
M68CPU32BUG REV 1 C-16 190
Platform Board 191
M68CPU32BUG REV 1 C-18 192
Offset Value Comment 193
M68CPU32BUG REV 1 C-20 194
M68CPU32BUG REV 1 C-21 195
M68CPU32BUG REV 1 C-22 196

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Motorola M68CPU32BUG Manual de usuario Pagina 121

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