988 B
#Apple 2 HGR BYTE Inspector
Keys:
ESC Quit G Toggle fullscreen
I Move cursor up J Move cursor left K Move cursor right L Move cursor down
^I Move cursor to col 0 ^J Move cursor to col 39 ^K Move cursor to row 0 ^L Move cursor to row 191 RET Center cursor
0..9 "Append" hex nibble to cursor byte A..F
! Toggle bit 0 @ Toggle bit 1
Toggle bit 2
$ Toggle bit 3 % Toggle bit 4 ^ Toggle bit 5 & Toggle bit 6
-
Toggle bit 7 (high bit)
SPC Toggle high bit of byte (bit 7) ( Set byte to $FF (Shift-9) ) Clear byte to $00 (Shift-0) ` Flip all bits ~ Flip all bits
, Shift byte left (with zero) . Shift byte right (with one ) < Shift byte left (with zero)
Shift byte right (with one )
[ Rotate byte left ] Rotate byte right
-
Save cursor byte to temporary
= Set cursor byte from temporary