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