Memory-mapped I/O ports: Difference between revisions

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==0x900E0010-0x900E001F - Keypad==
This page was split:
(Read?)-Write, half-word (only?)


Keypad map. Each bit represents a key. If bit is cleared, the key is being pressed. The mapping depends on the currently used keypad (TI-Nspire or TI-84+).
[[Memory-mapped I/O ports on Classic]]


'''TI-Nspire keypad map:'''
[[Memory-mapped I/O ports on CX]]
{|border="1" cellspacing="0" cellpadding="5"
|-
! bit 0
! bit 1
! bit 2
! bit 3
! bit 4
! bit 5
! bit 6
! bit 7
! bit 8
! bit 9
! bit 10
! bit 11
! bit 12
! bit 13
! bit 14
! bit 15
|-
| ret
| enter
| space
| (-)
| Z
| .
| Y
| 0
| X
| ---
| theta
| on
| ,
| +
| W
| 3
|-
| V
| 2
| U
| 1
| T
| e^x
| pi
| click
| ?
| -
| S
| 6
| R
| 5
| Q
| 4
|-
| P
| 10^x
| EE
| ???
| :
| *
| O
| 9
| N
| 8
| M
| 7
| L
| x^2
| i
| ???
|-
| "
| /
| K
| tan
| J
| cos
| I
| sin
| H
| ^
| >
| ---
| '
| cat
| G
| )
|-
| F
| (
| E
| var
| D
| caps
| <
| ---
| flag
| ???
| C
| home
| B
| menu
| A
| esc
|-
| &#124;
| tab
| =
| ---
| up
| ---
| right
| ---
| down
| ---
| left
| ---
| clear
| ctrl
| =
| ---
|}


 
[[Memory-mapped I/O ports on CX II]]
'''TI-84+ keypad map:'''
 
== A4000100-A40096FF - Screen ==
Read-write, byte, half-word, word
 
Screen buffer. The upper left corner is the first byte. Each grayscaled pixel is 4-bit long. 1111 is white, 0000 is black.

Latest revision as of 17:05, 3 July 2019

This page was split:

Memory-mapped I/O ports on Classic

Memory-mapped I/O ports on CX

Memory-mapped I/O ports on CX II

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