You can view the output of the Apple by using the following commands.
Command |
Effect |
\ |
Display Apple output until a key pressed. |
DGR |
View Double lo-res (current page). |
DGR1 |
View Double lo-res Page 1. |
DGR2 |
View Double lo-res Page 2. |
DHGR |
View Double Hi-res (current page). |
DHGR1 |
View Double Hi-res Page 1. |
DHGR2 |
View Double Hi-res Page 2. |
GR |
View Lo-Res screen (current page). |
GR1 |
View Lo-Res screen Page 1. |
GR2 |
View Lo-Res screen Page 2. |
HGR |
View Hi-res (current page). |
HGR0 |
View pseudo Hi-res Page 0 ($0000). |
HGR1 |
View Hi-res Page 1 ($2000). |
HGR2 |
View Hi-res Page 2 ($4000). |
HGR3 |
View pseudo Hi-res Page 3 ($6000). |
HGR4 |
View pseudo Hi-res Page 4 ($8000). |
HGR5 |
View pseudo Hi-res Page 5 ($A000). |
HGR6 |
View pseudo Hi-res Page 6 LC Banks 1/2 ($C000-$DFFF). |
HGR7 |
View pseudo Hi-res Page 7 LC Banks 2/RAM ($D000-$EFFF). |
HGR8 |
View pseudo Hi-res Page 8 LC Banks RAM ($D000-$EFFF). |
SHR |
View Super Hi-res. |
TEXT |
View Text screen (current page). |
TEXT1 |
View Text screen Page 1 ($0400). |
TEXT2 |
View Text screen Page 2 ($0800). |
TEXT80 |
View 80-column Text screen (current page). |
TEXT81 |
View 80-column Text screen Page 1. |
TEXT82 |
View 80-column Text screen Page 2. |
If you change to a specific video mode/page different from the current video settings and then exit the debugger (F7) the screen will NOT change to the current video settings. This lets you inspect other video modes/pages until code (re)sets the video mode or page -- handy if reverse engineering games.
While viewing the Apple's output you can use the following keys to switch video pages. Pressing any other key will return to the debugger's output.
|
Key |
Name |
Effect |
0 |
Zero | View pseudo page 0 |
1 |
One | View page 1 |
2 |
Two | View page 2 |
3 |
Three | View pseudo page 3 |
4 |
Four | View pseudo page 4 |
5 |
Five | View pseudo page 5 |
6 |
Six | View pseudo page 6 |
7 |
Seven | View pseudo page 7 |
8 |
Eight | View pseudo page 8 |
9 |
Nine | View current video mode and page. |