Fujitsu F2 MC-16 Manual Do Utilizador
216
CHAPTER 2 DEPENDENCE FUNCTIONS
●
Abnormal Breakpoint
•
Setting a breakpoint at the instruction immediately after string instructions listed below, may cause a
break in the middle of the string instruction without executing the instruction to the end.
break in the middle of the string instruction without executing the instruction to the end.
F
2
MC-16/16L/16LX/16H: • MOVS
• MOVSW
• SECQ
• SECQW
• WBTS
• MOVSI
• MOVSWI
• SECQI
• SECQWI
• WBTC
• MOVSD
• MOVSWD
• SECQD
• SECQWD
• FILS
• FILSI
• FILSW
• FILSWI
F
2
MC-16F: Above plus • MOVM • MOVMW
Here are some additional points about the effects on other commands.
●
Dangerous Breakpoints
•
Never set a breakpoint at an address other than the instruction starting address. If a breakpoint is the last 1
byte of an instruction longer than 2 bytes length, and if such an address is even, the following abnormal
operation will result:
byte of an instruction longer than 2 bytes length, and if such an address is even, the following abnormal
operation will result:
- If instruction executed by STEP command, instruction execution not aborted.
- If breakpoint specified with GO command, set at instruction immediately after such instruction, the
breakpoint does not break.
Note:
When the debugging area is set again, all breakpoints in the area are cleared.