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/*
ds81 - Nintendo DS ZX81 emulator.
Copyright (C) 2006 Ian Cowburn
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
$Id$
*/
#include <stdlib.h>
#include <stdio.h>
#include <nds.h>
#include "framebuffer.h"
#include "gui.h"
#include "splashimg_bin.h"
#include "zx81_bin.h"
/* ---------------------------------------- STATIC DATA
*/
/* ---------------------------------------- DISPLAY FUNCS
*/
static void VBlankFunc(void)
{
scanKeys();
}
static void Splash(void)
{
static const char *text[]=
{
"DS81 \177 2006 Ian C",
" ",
"ZX81 ROM",
"\177 1981",
"Nine Tiles Networks LTD",
" ",
"3D MONSTER MAZE",
"\177 1983",
"Malcom E. Evans",
" ",
"PRESS A TO CONTINUE",
" ",
" ",
"http://www.noddybox.co.uk/",
NULL
};
sImage img;
int f;
FB_Clear();
loadPCX(splashimg_bin,&img);
image8to16(&img);
dmaCopy(img.data8,BG_GFX_SUB,SCREEN_WIDTH*SCREEN_HEIGHT*2);
for(f=0;text[f];f++)
{
FB_Centre(text[f],40+f*8,FB_RGB(31,31,31),-1);
}
while(!(keysDown() & KEY_A))
{
swiWaitForVBlank();
}
}
/* ---------------------------------------- MAIN
*/
int main(int argc, char *argv[])
{
int ch;
uint8 *ch_data;
powerON(POWER_ALL_2D);
/* Set up main text screen and grab the ROM character data
*/
videoSetMode(MODE_0_2D | DISPLAY_BG0_ACTIVE);
vramSetBankA(VRAM_A_MAIN_BG_0x6000000);
vramSetBankB(VRAM_B_MAIN_BG_0x6020000);
BG0_CR = BG_COLOR_256|BG_MAP_BASE(31)|BG_TILE_BASE(0);
BG0_X0 = 0;
BG0_Y0 = 0;
BG_PALETTE[0] = RGB15(31,31,31);
BG_PALETTE[1] = RGB15(0,0,0);
ch_data = (uint8*)BG_TILE_RAM(0);
for(ch=0;ch<64;ch++)
{
int r;
for(r=0;r<8;r++)
{
int b;
int rd;
rd=zx81_bin[0x1e00+ch*8+r];
for(b=7;b>=0;b--)
{
if (rd&(1<<b))
{
*ch_data = 1;
*(ch_data+4096) = 0;
}
else
{
*ch_data = 0;
*(ch_data+4096) = 1;
}
ch_data++;
}
}
}
{
uint16 *tiles;
tiles = (uint16*)BG_MAP_RAM(31);
for(ch=0;ch<128;ch++)
{
*(tiles+(ch%32)+(ch/32)*32)=ch;
}
}
/* Set up the sub-screen for rotation (basically for use as a framebuffer)
*/
videoSetModeSub(MODE_5_2D | DISPLAY_BG2_ACTIVE);
vramSetBankC(VRAM_C_SUB_BG_0x6200000);
SUB_BG2_CR = BG_BMP16_256x256;
SUB_BG2_XDX = 0x100;
SUB_BG2_XDY = 0;
SUB_BG2_YDX = 0;
SUB_BG2_YDY = 0x100;
SUB_BG2_CX = 0;
SUB_BG2_CY = 0;
irqInit();
irqSet(IRQ_VBLANK,VBlankFunc);
keysSetRepeat(30,15);
FB_Init(BG_GFX_SUB);
Splash();
while(1)
{
static const char *menu[]={"Option #1","A longer option","Short","Wibble Sticks!",NULL};
char buff[32];
sprintf(buff,"sel=%d",GUI_Menu(menu));
FB_Centre(buff,SCREEN_HEIGHT-10,FB_RGB(31,31,31),FB_RGB(0,0,15));
}
return 0;
}
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