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Diffstat (limited to 'arm7/source/main.c')
| -rw-r--r-- | arm7/source/main.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/arm7/source/main.c b/arm7/source/main.c deleted file mode 100644 index 6579ad2..0000000 --- a/arm7/source/main.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - ds81 - Nintendo DS ZX81 emulator. - - Copyright (C) 2006 Ian Cowburn <ianc@noddybox.co.uk> - - 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. - - $Id$ - - This file is largely based on the libnds examples. -*/ - -#include <nds.h> - -#include <nds/bios.h> -#include <nds/arm7/touch.h> -#include <nds/arm7/clock.h> - -#include <dswifi7.h> - -#include "ds81_ipc.h" - -static void FIFO_Handler(u32 msg); - -static void VblankHandler(void) -{ - static int heartbeat = 0; - - uint16 but=0, x=0, y=0, xpx=0, ypx=0, z1=0, z2=0, batt=0, aux=0; - int t1=0, t2=0; - uint32 temp=0; - uint8 ct[sizeof(IPC->curtime)]; - u32 i; - - /* Update the heartbeat */ - heartbeat++; - - /* Read the touch screen */ - but = REG_KEYXY; - - if (!(but & (1<<6))) - { - touchPosition tempPos = touchReadXY(); - - x = tempPos.x; - y = tempPos.y; - xpx = tempPos.px; - ypx = tempPos.py; - } - - z1 = touchRead(TSC_MEASURE_Z1); - z2 = touchRead(TSC_MEASURE_Z2); - - batt = touchRead(TSC_MEASURE_BATTERY); - aux = touchRead(TSC_MEASURE_AUX); - - /* Read the time */ - rtcGetTime((uint8 *)ct); - BCDToInteger((uint8 *)&(ct[1]), 7); - - /* Read the temperature */ - temp = touchReadTemperature(&t1, &t2); - - /* Update the IPC struct */ - IPC->mailBusy = 1; - - IPC->heartbeat = heartbeat; - IPC->buttons = but; - IPC->touchX = x; - IPC->touchY = y; - IPC->touchXpx = xpx; - IPC->touchYpx = ypx; - IPC->touchZ1 = z1; - IPC->touchZ2 = z2; - IPC->battery = batt; - IPC->aux = aux; - - for(i=0; i<sizeof(ct); i++) - { - IPC->curtime[i] = ct[i]; - } - - IPC->temperature = temp; - IPC->tdiode1 = t1; - IPC->tdiode2 = t2; - - IPC->mailBusy = 0; - - Wifi_Update(); -} - -/* callback to allow wifi library to notify arm9 -*/ -static void ARM7_SyncToARM9(void) -{ - REG_IPC_FIFO_TX = DS81_WIFI_SYNC_IPC; -} - -/* interrupt handler to allow incoming notifications from arm9 -*/ -static void ARM7_Fifo(void) -{ - while(!(REG_IPC_FIFO_CR & IPC_FIFO_RECV_EMPTY)) - { - u32 msg; - - msg = REG_IPC_FIFO_RX; - FIFO_Handler(msg); - } -} - -/* Handler for FIFO messages -*/ -static void FIFO_Handler(u32 msg) -{ - static int next_is_wifi=0; - - if (next_is_wifi) - { - next_is_wifi = 0; - Wifi_Init(msg); - Wifi_SetSyncHandler(ARM7_SyncToARM9); - - irqSet(IRQ_WIFI, Wifi_Interrupt); - irqEnable(IRQ_WIFI); - } - else - { - switch(msg) - { - case DS81_WIFI_INIT_IPC: - next_is_wifi = 1; - break; - - case DS81_WIFI_SYNC_IPC: - Wifi_Sync(); - break; - } - } -} - -int main(int argc, char ** argv) -{ - /* enable & prepare fifo asap */ - REG_IPC_FIFO_CR = IPC_FIFO_ENABLE | IPC_FIFO_SEND_CLEAR; - - IPC->mailBusy = 1; - - /* Reset the clock if needed */ - rtcReset(); - - irqInit(); - irqSet(IRQ_VBLANK, VblankHandler); - irqEnable(IRQ_VBLANK); - - irqSet(IRQ_FIFO_NOT_EMPTY,ARM7_Fifo); /* set up fifo irq */ - irqEnable(IRQ_FIFO_NOT_EMPTY); - - REG_IPC_FIFO_CR = IPC_FIFO_ENABLE | IPC_FIFO_RECV_IRQ; - - while (1) - { - swiWaitForVBlank(); - } -} - - |