# mrw: "memory read word", returns value of $reg
proc mrw {reg} {
set value ""
- ocd_mem2array value 32 $reg 1
+ mem2array value 32 $reg 1
return $value(0)
}
add_usage_text mrw "address"
add_help_text mrw "Returns value of word in memory."
+# mrh: "memory read halfword", returns value of $reg
+proc mrh {reg} {
+ set value ""
+ mem2array value 16 $reg 1
+ return $value(0)
+}
+
+add_usage_text mrh "address"
+add_help_text mrh "Returns value of halfword in memory."
+
+# mrb: "memory read byte", returns value of $reg
+proc mrb {reg} {
+ set value ""
+ mem2array value 8 $reg 1
+ return $value(0)
+}
+
+add_usage_text mrb "address"
+add_help_text mrb "Returns value of byte in memory."
+
# mmw: "memory modify word", updates value of $reg
# $reg <== ((value & ~$clearbits) | $setbits)
proc mmw {reg setbits clearbits} {
set old [mrw $reg]
- set new [expr ($old & ~$clearbits) | $setbits]
+ set new [expr {($old & ~$clearbits) | $setbits}]
mww $reg $new
}