color definitions

This commit is contained in:
Wolfgang Hottgenroth 2024-02-27 15:10:38 +01:00
parent 8f143104f6
commit f0e8bf7616
2 changed files with 79 additions and 35 deletions

20
colors.h Normal file

@ -0,0 +1,20 @@
#ifndef _COLORS_H_
#define _COLORS_H_
#define _red 0x00
#define _blue 0x01
#define _green 0x02
#define _orange 0x03
#define _rose 0x04
#define _magenta 0x05
#define _violet 0x06
#define _azure 0x07
#define _cyan 0x08
#define _springgreen 0x09
#define _chartreuse 0x0a
#define _yellow 0x0b
#endif

94
main.S

@ -1,41 +1,84 @@
.file "main.S"
#include <msp430g2553.h>
#include "colors.h"
#define PC r0
#define SP r1
#define SR r2
#define _red 0x00
#define _blue 0x01
#define _green 0x02
.section ".rodata","a"
screendata:
.byte _red
.byte _blue
.byte _green
.byte _violet
.byte _orange
.byte _springgreen
screendataend:
.byte 0xff
;; color definitions according to https://learn.sparkfun.com/tutorials/lilypad-protosnap-plus-activity-guide/3-custom-color-mixing
red:
colors1:
.byte 0b11111111
.byte 0xff ;; red
colors2:
.byte 0b00000000
.byte 0x00 ;; green
colors3:
.byte 0b00000000
.byte 0x00 ;; blue
.byte 0
blue:
.byte 0b00000000
.byte 0b00000000
.byte 0b11111111
.byte 0x00
.byte 0x00
.byte 0xff
.byte 0
green:
.byte 0b00000000
.byte 0b11111111
.byte 0b00000000
.byte 0x00
.byte 0xff
.byte 0x00
.byte 0
orange:
.byte 0xff
.byte 0x80
.byte 0x00
.byte 0
rose:
.byte 0xff
.byte 0x00
.byte 0x80
.byte 0
magenta:
.byte 0xff
.byte 0x00
.byte 0xff
.byte 0
violet:
.byte 0x80
.byte 0x00
.byte 0xff
.byte 0
azure:
.byte 0x00
.byte 0x80
.byte 0xff
.byte 0
cyan:
.byte 0x00
.byte 0xff
.byte 0xff
.byte 0
springgreen:
.byte 0x00
.byte 0xff
.byte 0x80
.byte 0
chartreuse:
.byte 0x80
.byte 0xff
.byte 0x00
.byte 0
yellow:
.byte 0xff
.byte 0xff
.byte 0x00
.byte 0
;; .text is the name of the section, it is a hint for the linker to
@ -57,9 +100,6 @@ _start:
;; initialize stack pointer with value from linker
mov.w #__stack, SP
mov.w #0xaaaa, r7
mov.w #0x5555, r8
init:
;; configuration of GPIO Ports
mov.b #BIT0|BIT1|BIT2,&P1DIR
@ -114,22 +154,6 @@ mainloop:
rla.b r9
rla.b r9
; This code already works
;mainloop_wait_for_isr:
; ;; check bit0 in sync register
; bit #0x01,r4
; jz mainloop_wait_for_isr
;
; ;; load data
; mov.b r9,r5
; ;; clear BYTE_DONE
; bic #0x01, r4
; ;; enable isr
; bis #0x02, r4
;
; ;; continue
; jmp mainloop
;; enable isr
bis #0x02, r4