mirror of
https://github.com/rvtr/TwlIPL.git
synced 2025-10-31 06:01:12 -04:00
3d4c5ef4d3
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@2241 b08762b0-b915-fc4b-9d8c-17b2551a87ff
110 lines
3.8 KiB
C
110 lines
3.8 KiB
C
/*---------------------------------------------------------------------------*
|
||
Project: TwlSDK - GX - demos - UnitTours/2D_CharBg_1
|
||
File: main.c
|
||
|
||
Copyright 2003 Nintendo. All rights reserved.
|
||
|
||
These coded instructions, statements, and computer programs contain
|
||
proprietary information of Nintendo of America Inc. and/or Nintendo
|
||
Company Ltd., and are protected by Federal copyright law. They may
|
||
not be disclosed to third parties or copied or duplicated in any form,
|
||
in whole or in part, without the prior written consent of Nintendo.
|
||
|
||
$Date:: $
|
||
$Rev$
|
||
$Author$
|
||
*---------------------------------------------------------------------------*/
|
||
//---------------------------------------------------------------------------
|
||
// A sample that use BG #0 as text mode:
|
||
//
|
||
// This sample simply displays a sphere on the display.
|
||
//
|
||
// HOWTO:
|
||
// 1. Transfer the character data by GX_LoadBGxChar().
|
||
// 2. Transfer the palette data by GX_LoadBGPltt().
|
||
// 3. Transfer the screen data by GX_LoadBGxScr().
|
||
//
|
||
// Do not forget to flush the corresponding cache if you modified the data
|
||
// before transfer.
|
||
//---------------------------------------------------------------------------
|
||
|
||
#ifdef SDK_TWL
|
||
#include <twl.h>
|
||
#else
|
||
#include <nitro.h>
|
||
#endif
|
||
#include "DEMO.h"
|
||
#include "data.h"
|
||
|
||
static u16 sScrnBuf[SCREEN_SIZE]; // Buffer for screen data(BG #0)
|
||
|
||
#ifdef SDK_TWL
|
||
void TwlMain(void)
|
||
#else
|
||
void NitroMain(void)
|
||
#endif
|
||
{
|
||
//---------------------------------------------------------------------------
|
||
// Initialize:
|
||
// They enable IRQ interrupts, initialize VRAM, and set BG #0 for text mode.
|
||
//---------------------------------------------------------------------------
|
||
DEMOInitCommon();
|
||
DEMOInitVRAM();
|
||
DEMOInitDisplayBG0Only();
|
||
|
||
//---------------------------------------------------------------------------
|
||
// Transmitting the character data and the palette data
|
||
//---------------------------------------------------------------------------
|
||
GX_LoadBG0Char(d_64_256_bg_schDT, 0, sizeof(d_64_256_bg_schDT));
|
||
GX_LoadBGPltt(d_64_256_bg_sclDT, 0, sizeof(d_64_256_bg_sclDT));
|
||
|
||
{
|
||
int i, j;
|
||
for (i = 0; i < 8; i++)
|
||
{
|
||
for (j = 0; j < 8; j++)
|
||
{
|
||
sScrnBuf[(i * 32) + j] = (u16)((i * 0x10) + j);
|
||
}
|
||
}
|
||
}
|
||
// Store the data onto the main memory, and invalidate the cache.
|
||
DC_FlushRange(sScrnBuf, sizeof(sScrnBuf));
|
||
/* DMA<4D><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IO<49><4F><EFBFBD>W<EFBFBD>X<EFBFBD>^<5E>փA<D683>N<EFBFBD>Z<EFBFBD>X<EFBFBD><58><EFBFBD><EFBFBD><EFBFBD>̂ŃL<C583><4C><EFBFBD>b<EFBFBD>V<EFBFBD><56><EFBFBD><EFBFBD> Wait <20>͕s<CD95>v */
|
||
// DC_WaitWriteBufferEmpty();
|
||
|
||
// DMA transfer to BG #0 screen
|
||
GX_LoadBG0Scr(sScrnBuf, 0, sizeof(sScrnBuf));
|
||
|
||
DEMOStartDisplay();
|
||
|
||
//---------------------------------------------------------------------------
|
||
// Main Loop
|
||
//---------------------------------------------------------------------------
|
||
while (1)
|
||
{
|
||
#ifdef SDK_AUTOTEST
|
||
GX_SetBankForLCDC(GX_VRAM_LCDC_C);
|
||
EXT_TestSetVRAMForScreenShot(GX_VRAM_LCDC_C);
|
||
EXT_TestScreenShot(100, 0xC7953680);
|
||
EXT_TestTickCounter();
|
||
#endif //SDK_AUTOTEST
|
||
|
||
OS_WaitVBlankIntr(); // Waiting the end of VBlank interrupt
|
||
GX_LoadBG0Scr(sScrnBuf, 0, sizeof(sScrnBuf));
|
||
}
|
||
}
|
||
|
||
//---------------------------------------------------------------------------
|
||
// VBlank interrupt function:
|
||
//
|
||
// Interrupt handlers are registered on the interrupt table by OS_SetIRQFunction.
|
||
// OS_EnableIrqMask selects IRQ interrupts to enable, and
|
||
// OS_EnableIrq enables IRQ interrupts.
|
||
// Notice that you have to call 'OS_SetIrqCheckFlag' to check a VBlank interrupt.
|
||
//---------------------------------------------------------------------------
|
||
void VBlankIntr(void)
|
||
{
|
||
OS_SetIrqCheckFlag(OS_IE_V_BLANK); // checking VBlank interrupt
|
||
}
|