blob: 0bdcef448ea0e0d8b9254cf6a37a1436419d7c4e (
plain) (
tree)
|
|
@ Copyright 2022 Gabriel Jensen.
@ This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
@ If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
.syntax unified
.cpu arm7tdmi
.thumb
.globl ax_getpx1
.globl ax_getpx2
.func
.thumb_func
ax_getpx1:
adds r0,r1 @ Get the address of the pixel by adding the offset to the video address.
ldrh r0,[r0]
bx lr
.endfunc
.func
.thumb_func
ax_getpx2:
adds r0,r1 @ Get the address of the pixel by adding the offset to the video address.
adds r0,r1 @ Add the offset twice as each pixel takes up two bytes.
ldrh r0,[r0]
bx lr
.endfunc
|
