1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
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/.
*/
#if !defined(__agbx_hdr_priv)
#define __agbx_hdr_priv
#include <agbx/gfx.h>
#define __agbx_set10(_addr,_val) { \
__asm__ ( \
"strh %1,[%0]" \
: \
: "r" (_addr),"r" (_val) \
: "memory" \
); \
}
#define __agbx_set20(_addr,_val) { \
__asm__ ( \
"str %1,[%0]" \
: \
: "r" (_addr),"r" (_val) \
: "memory" \
); \
}
#define __agbx_set8(_addr,_val) { \
__asm__ ( \
"strb %1,[%0]" \
: \
: "r" (_addr),"r" (_val) \
: "memory" \
); \
}
#define __agbx_setpx1(_px,_col) { \
agbx_i20 const addr = 0x6000000u + _px; \
__agbx_set8(addr,_col); \
}
#define __agbx_setpx2(_px,_col) { \
agbx_i20 const addr = 0x6000000u + _px * 0x2u; /* We multiply it by two as each pixel takes up two bytes. */ \
__agbx_set10(addr,_col); \
}
#endif
|
