Tandy 1000 HX Technical Reference Manual page 276

• TANDY COMPUTER PRODUCTS •
16 COLOR MEDIUM RESOLUTION 320 X 200 GRAPHICS MODE
The 16 Color Medium Resolution 320 X 200 Graphics mode works
with all types of display devices. This mode is available
in the IBM PCjr only and has the following characteristics:
Contains a maximum of 200 rows of 320 PELS
Can display 16 of 16 possible colors
Each pixel selects 1 of 16 colors
Requires 32K bytes of read/write memory
Formats 2 PELs per byte in the following manner:
7
PA3
6
PA2
5
PAl
4
PA0
3
PA3
2
PA2
1
PAl
0
PA0
First
Display
PEL
Second
Display
PEL
16 COLOR LOW RESOLUTION 160 X 200 GRAPHICS MODE
The 16 Color Low Resolution 160 X 200 Graphics mode works
with all types of display devices. This mode is available
in the IBM PCjr only, with the following characteristics:
Contains a maximum of 200 rows of 160 PELS
Can display 16 of 16 possible colors
Each pixel selects 1 of 16 colors
Requires 16K bytes of read/write memory
Formats 2 PELs per byte in the following manner:
7
PA3
6
PA2
5
PAl
4
PA0
3
PA3
2
PA2
1
PAl
0
PA0
First
Display
PEL
Second
Display
PEL