diff options
Diffstat (limited to 'tcl/mem_helper.tcl')
-rw-r--r-- | tcl/mem_helper.tcl | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/tcl/mem_helper.tcl b/tcl/mem_helper.tcl deleted file mode 100644 index 86ad00f..0000000 --- a/tcl/mem_helper.tcl +++ /dev/null @@ -1,31 +0,0 @@ -# Helper for common memory read/modify/write procedures - -# mrw: "memory read word", returns value of $reg -proc mrw {reg} { - set value "" - mem2array value 32 $reg 1 - return $value(0) -} - -add_usage_text mrw "address" -add_help_text mrw "Returns value of word in memory." - -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] - mww $reg $new -} - -add_usage_text mmw "address setbits clearbits" -add_help_text mmw "Modify word in memory. new_val = (old_val & ~clearbits) | setbits;" |