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changed .data constants to variables

Arthur Paulino 2018-01-05 20:23:51 -03:00
parent 4eb4abcc1f
commit 7664174f14
1 changed files with 5 additions and 5 deletions
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10
Learn-by-Examples.md

@ -3,7 +3,7 @@
HWID_HOLO EQU 0x9 ; setup constants
HOLO_DISPLAY_HEX EQU 1
.data
DISPLAYED_HEX EQU 0X000A ; create a word in memory called DISPLAYED_HEX and set its value to 0x000A
DISPLAYED_HEX: DW 0X000A ; create a word in memory called DISPLAYED_HEX and set its value to 0x000A
.text
MOV A, HOLO_DISPLAY_HEX ; MOV the constant HOLO_DISPLAY_HEX into register A
MOV B, [DISPLAYED_HEX] ; MOV the value inside the memory spot DISPLAYED_HEX into register B
@ -28,11 +28,11 @@ HOLO_DISPLAY_STRING EQU 2
HWID_HOLO EQU 0x9 ; setup constants
HOLO_DISPLAY_DEC EQU 3
.data
DISPLAYED_DECIMAL EQU 42 ; create a word in memory called DISPLAYED_DECIMAL and set its value
DISPLAYED_DECIMAL: DW 42 ; create a word in memory called DISPLAYED_DECIMAL and set its value
; to 42
.text
MOV A, HOLO_DISPLAY_DEC ; MOV the constant HOLO_DISPLAY_DEC into register A
MOV B, DISPLAYED_DECIMAL ; MOV the value inside the memory spot DISPLAYED_HEX into register B
MOV B, [DISPLAYED_DECIMAL] ; MOV the value inside the memory spot DISPLAYED_HEX into register B
HWI HWID_HOLO ; more magic
BRK ; halt execution until next tick
```
@ -42,7 +42,7 @@ HWID_HOLO EQU 0x9 ; setup constants
HOLO_DISPLAY_DEC EQU 3
HOLO_DISPLAY_COLOR EQU 4
.data
DISPLAYED_DECIMAL EQU 42 ; create a word in memory called DISPLAYED_DECIMAL and set its value
DISPLAYED_DECIMAL: DW 42 ; create a word in memory called DISPLAYED_DECIMAL and set its value
; to 42
.text
MOV A, HOLO_DISPLAY_COLOR ; MOV the constant HOLO_DISPLAY_COLOR into register A
@ -50,7 +50,7 @@ HOLO_DISPLAY_COLOR EQU 4
MOV C, 0x0000 ; clear register C: no green and no blue
HWI HWID_HOLO ; this interrupt will set the color to: #0000FF [C:B] also know as red
MOV A, HOLO_DISPLAY_DEC ; MOV the constant HOLO_DISPLAY_DEC into register A
MOV B, DISPLAYED_DECIMAL ; MOV the value that DISPLAYED_DECIMAL is pointing at into register B
MOV B, [DISPLAYED_DECIMAL] ; MOV the value that DISPLAYED_DECIMAL is pointing at into register B
HWI HWID_HOLO ; ...
BRK ; halt execution until next tick
```