gp4prog: using --emulate without --voltage is an error.

whitequark · whitequark · commit 268258fa7750 · 2016-12-10T12:22:38.000Z
diff --git a/src/gp4prog/main.cpp b/src/gp4prog/main.cpp
@@ -331,6 +331,13 @@ int main(int argc, char* argv[])
 		return 0;
 	}
 
+	//It makes no sense to emulate without applying any Vdd
+	if(voltage == 0.0 && !downloadFilename.empty() && !programNvram)
+	{
+		LogError("--emulate is specified but --voltage isn't; chip must be powered for emulation\n");
+		return 1;
+	}
+
 	//It makes no sense to apply vccio to a single-rail part
 	if(voltage2 != 0.0 && detectedPart != SilegoPart::SLG46621V)
 	{

Original file line number	Diff line number	Diff line change
`@@ -331,6 +331,13 @@ int main(int argc, char* argv[])`
`331`	`331`	`return 0;`
`332`	`332`	`}`
`333`	`333`
	`334`	`+ //It makes no sense to emulate without applying any Vdd`
	`335`	`+ if(voltage == 0.0 && !downloadFilename.empty() && !programNvram)`
	`336`	`+ {`
	`337`	`+ LogError("--emulate is specified but --voltage isn't; chip must be powered for emulation\n");`
	`338`	`+ return 1;`
	`339`	`+ }`
	`340`	`+`
`334`	`341`	`//It makes no sense to apply vccio to a single-rail part`
`335`	`342`	`if(voltage2 != 0.0 && detectedPart != SilegoPart::SLG46621V)`
`336`	`343`	`{`