blob: 246f01f4f7912109be562914b176786a291a78cb (
plain)
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
|
#include "macros.h"
#include "PR/os_internal.h"
#include "PR/R4300.h"
#include "PR/rcp.h"
#include "viint.h"
// TODO: this comes from a header
#ident "$Revision: 1.17 $"
static __OSViContext vi[2] ALIGNED(8) = { 0 };
__OSViContext* __osViCurr = &vi[0];
__OSViContext* __osViNext = &vi[1];
void __osViInit(void) {
bzero(vi, sizeof(vi));
__osViCurr = &vi[0];
__osViNext = &vi[1];
__osViNext->retraceCount = 1;
__osViCurr->retraceCount = 1;
__osViNext->framep = (void*)K0BASE;
__osViCurr->framep = (void*)K0BASE;
if (osTvType == OS_TV_TYPE_PAL) {
__osViNext->modep = &osViModePalLan1;
} else if (osTvType == OS_TV_TYPE_MPAL) {
__osViNext->modep = &osViModeMpalLan1;
} else {
__osViNext->modep = &osViModeNtscLan1;
}
__osViNext->state = VI_STATE_BLACK;
__osViNext->control = __osViNext->modep->comRegs.ctrl;
while (IO_READ(VI_CURRENT_REG) > 10) { // wait for vsync?
}
IO_WRITE(VI_CONTROL_REG, 0); // pixel size blank (no data, no sync)
__osViSwapContext();
}
|