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Gericom
2025-11-22 11:08:28 +01:00
commit 9cf3ffbfcf
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48
arm9/source/errorDisplay/ErrorDisplay.cpp Normal file
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#include "common.h"
#include <libtwl/mem/memVram.h>
#include <libtwl/gfx/gfx.h>
#include <libtwl/gfx/gfxStatus.h>
#include <libtwl/gfx/gfxPalette.h>
#include <libtwl/gfx/gfxBackground.h>
#include "nitroFont2.h"
#include "font_nft2.h"
#include "ErrorDisplay.h"
void ErrorDisplay::PrintError(const char* errorString)
{
mem_setVramEMapping(MEM_VRAM_E_MAIN_BG_00000);
auto textBuffer = (u8*)0x02100000;
memset(textBuffer, 0, 256 * 192);
nft2_unpack((nft2_header_t*)font_nft2);
nft2_string_render_params_t renderParams =
{
x: 0,
y: 0,
width: 256,
height: 192
};
nft2_renderString((const nft2_header_t*)font_nft2, errorString, textBuffer, 256, &renderParams);
memcpy((void*)GFX_BG_MAIN, textBuffer, 256 * 192);
while (gfx_getVCount() != 191);
while (gfx_getVCount() == 191);
// 4 bit grayscale palette
for (int i = 0; i < 16; i++)
{
int gray = i * 2 + (i == 0 ? 0 : 1);
GFX_PLTT_BG_MAIN[i] = gray | (gray << 5) | (gray << 10);
}
REG_BG3PA = 256;
REG_BG3PB = 0;
REG_BG3PC = 0;
REG_BG3PD = 256;
REG_BG3X = 0;
REG_BG3Y = 0;
REG_BG3CNT = (1 << 7) | (1 << 14);
REG_BLDCNT = 0;
REG_DISPCNT = 3 | (1 << 11) | (1 << 16);
REG_MASTER_BRIGHT = 0;
GFX_PLTT_BG_SUB[0] = 0;
REG_MASTER_BRIGHT_SUB = 0x8010;
REG_DISPCNT_SUB = 0x10000;
while (true);
}