topic Re: JL8-COP caused a reset when using real time debugging simulator mode in CodeWarrior for MCU https://community.nxp.com/t5/CodeWarrior-for-MCU/JL8-COP-caused-a-reset-when-using-real-time-debugging-simulator/m-p/128662#M769 <HTML><HEAD></HEAD><BODY><DIV></DIV>The provided code is not actually setting the H register ever.<BR />Could that be the cause for different behavior?<BR /><BR />Note that<BR />LDX #$40<BR />does only set the X and not the H register.<BR />(the H could be set by a LDHX #$40 or by a CLRH)<BR /><BR />Also<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;STX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ,X&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR /><SPAN><BR />is a bit strange, not sure what the purpose is, or should that be a CLRH?<BR /><BR />Daniel<BR /></SPAN><SPAN>&nbsp;<BR /></SPAN><BR /><DIV></DIV></BODY></HTML> Sat, 21 Apr 2007 07:20:07 GMT CompilerGuru 2007-04-21T07:20:07Z JL8-COP caused a reset when using real time debugging simulator mode https://community.nxp.com/t5/CodeWarrior-for-MCU/JL8-COP-caused-a-reset-when-using-real-time-debugging-simulator/m-p/128661#M768 <HTML><HEAD></HEAD><BODY><DIV> </DIV><DIV><SPAN style="color: #330000;">Hi</SPAN></DIV><DIV><SPAN style="color: #330000;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I&nbsp;met a problem about COP caused a reset when using real time debugging simulator mode(HC08 CW 5.1V). But it is no problem when programming to Flash type MCU.&nbsp;</SPAN></DIV><DIV><SPAN style="color: #330000;">&nbsp;&nbsp;&nbsp;&nbsp;This&nbsp;<SPAN><SPAN>&nbsp;</SPAN>COP reset period = (2^18 – 2^4) ICLK = 262128* 1/50K = 5243mS=5.2s. So in theory, this COP should be not caused reset.</SPAN></SPAN></DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV><SPAN style="color: #ff0000;">My code as follows.</SPAN></DIV><DIV>&nbsp;</DIV><DIV>main:<BR />_Startup:<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;MOV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; #%00010000,CONFIG1&nbsp;&nbsp;&nbsp; &nbsp;;COP TIME = 2^18-2^4=262128*0.02ms(1/50K)<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =5243ms=5.2s<BR />&nbsp;&nbsp;&nbsp;MOV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; #%10000001,CONFIG2&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;MOV&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; #%11111111,DDRD&nbsp;&nbsp;&nbsp; ;SET PTD0~7 is output<BR />&nbsp;&nbsp;&nbsp;</DIV><DIV>IO_1:<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;feed_watchdog<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;JSR&nbsp;&nbsp;&nbsp; LED<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;BRA&nbsp;&nbsp;&nbsp;&nbsp; IO_1</DIV><DIV>&nbsp;</DIV><DIV>LED:<BR />&nbsp;&nbsp;&nbsp;&nbsp;BSET&nbsp;&nbsp;&nbsp;&nbsp; 3,PTD<BR />&nbsp;&nbsp;&nbsp;&nbsp;BSR&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DELAY025S<BR />&nbsp;&nbsp;&nbsp;&nbsp;BCLR&nbsp;&nbsp;&nbsp;&nbsp; 3,PTD<BR />&nbsp;&nbsp;&nbsp;&nbsp;BSR&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DELAY025S<BR />&nbsp;&nbsp;&nbsp;RTS</DIV><DIV>&nbsp;</DIV><DIV>;************************************************<BR />;&nbsp;&nbsp; DELAY 0.25S&nbsp;<BR />;================================================&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />DELAY025S:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PSHA&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PSHH&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</DIV><DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PSHX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LDX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; #$40&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</DIV><DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;STX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ,X&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LDA&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; #7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />DA1_025:<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;STHX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; $00F1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />DB1_025:<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />DC1_025:<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DEC&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; $00F1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;BNE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DC1_025&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DEC&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; $00F2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;BNE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DB1_025&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DECA&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;BNE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DA1_025&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PULX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</DIV><DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PULH&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PULA&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;RTS</DIV></BODY></HTML> Thu, 29 Mar 2007 13:03:51 GMT https://community.nxp.com/t5/CodeWarrior-for-MCU/JL8-COP-caused-a-reset-when-using-real-time-debugging-simulator/m-p/128661#M768 Lais 2007-03-29T13:03:51Z Re: JL8-COP caused a reset when using real time debugging simulator mode https://community.nxp.com/t5/CodeWarrior-for-MCU/JL8-COP-caused-a-reset-when-using-real-time-debugging-simulator/m-p/128662#M769 <HTML><HEAD></HEAD><BODY><DIV></DIV>The provided code is not actually setting the H register ever.<BR />Could that be the cause for different behavior?<BR /><BR />Note that<BR />LDX #$40<BR />does only set the X and not the H register.<BR />(the H could be set by a LDHX #$40 or by a CLRH)<BR /><BR />Also<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;STX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ,X&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR /><SPAN><BR />is a bit strange, not sure what the purpose is, or should that be a CLRH?<BR /><BR />Daniel<BR /></SPAN><SPAN>&nbsp;<BR /></SPAN><BR /><DIV></DIV></BODY></HTML> Sat, 21 Apr 2007 07:20:07 GMT https://community.nxp.com/t5/CodeWarrior-for-MCU/JL8-COP-caused-a-reset-when-using-real-time-debugging-simulator/m-p/128662#M769 CompilerGuru 2007-04-21T07:20:07Z