kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
116 wiersze
3.1 KiB
C
116 wiersze
3.1 KiB
C
/*****************************************************************************
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This file is part of Virtual VCS, the Atari 2600 Emulator
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===================================================
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Copyright 1996 Daniel Boris. For contributions see the file CREDITS.
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This software is distributed under the terms of the GNU General Public
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License. This is free software with ABSOLUTELY NO WARRANTY.
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See the file COPYING for Details.
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******************************************************************************/
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/*
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This module has been completely re-written since X2600
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This has been hacked for the E-125 by Stuart Russell
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "keyboard.h"
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#include "types.h"
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#include "address.h"
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#include "vmachine.h"
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#include "extern.h"
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#include "memory.h"
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#include "display.h"
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#include "resource.h"
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#include "emuapi.h"
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// this returns a byte from the key state buffer.
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// example: KEY(0) will be expanded to: keys[SCANCODE_0]
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//#define KEY(__a) keys[SCANCODE_##__a]
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extern char *KeyboardGetstate(void);
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extern int pausing;
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extern int nOptions_Color;
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extern int nOptions_P1Diff;
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extern int nOptions_P2Diff;
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void keyjoy(void) {
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int key;
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BYTE v1,v2;
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v1=v2=0x0f;
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// read the keyboard state. The return value (in keys) is a pointer to a
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// 256 byte buffer which holds the state of all the keyboard keys. If a
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// byte's upper bit is set to 1, the key is pressed.
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key = emu_ReadKeys();
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if (key & MASK_JOY2_UP) v1 &= 0x0E;
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if (key & MASK_JOY2_DOWN) v1 &= 0x0D;
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if (key & MASK_JOY2_RIGHT) v1 &= 0x0B;
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if (key & MASK_JOY2_LEFT) v1 &= 0x07;
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riotRead[0x280]=(v1 << 4) | v2;
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}
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void keycons(void) {
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//---------------------------------------------------------
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// This function reads the state of the joysticks (buttons)
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//---------------------------------------------------------
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int key = emu_ReadKeys();;
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int sw = emu_GetPad() & 0xff;
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// read the keyboard state. The return value (in keys) is a pointer to a
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// 256 byte buffer which holds the state of all the keyboard keys. If a
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// byte's upper bit is set to 1, the key is pressed.
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riotRead[SWCHB] |= 0x03;
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if ( (key & MASK_KEY_USER3) | (sw == 2) ) //
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nOptions_Color = !nOptions_Color;
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if (!nOptions_Color)
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riotRead[SWCHB] &= 0xF7; /* BW */
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else
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riotRead[SWCHB] |= 0x08; /* Color */
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if ( (key & MASK_KEY_USER1) | (sw == 4) )
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riotRead[SWCHB] &= 0xFE; /* Reset */
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if ( (key & MASK_KEY_USER2) | (sw == 3) )
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riotRead[SWCHB] &= 0xFD; /* Select */
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if (nOptions_P1Diff) riotRead[SWCHB] &= 0xBF; /* P0 amateur */
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else riotRead[SWCHB] |= 0x40; /* P0 pro */
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if (nOptions_P2Diff) riotRead[SWCHB] &= 0x7f; /* P1 amateur */
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else riotRead[SWCHB] |= 0x80; /* P1 pro */
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}
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void keytrig(void) {
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int key;
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// read the keyboard state. The return value (in keys) is a pointer to a
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// 256 byte buffer which holds the state of all the keyboard keys. If a
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// byte's upper bit is set to 1, the key is pressed.
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key = emu_ReadKeys();
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if (!(tiaWrite[VBLANK] & 0x40)) {
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tiaRead[INPT5]=0x80;
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if (key & 0x10)
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tiaRead[INPT4]=0x00;
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else
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tiaRead[INPT4]=0x80;
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}
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}
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