Unterstützung für NES gamecontroller
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@ -150,6 +150,9 @@ SIGNAL(SIG_OUTPUT_COMPARE0)
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//Watchdog zurücksetzen
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wdt_reset();
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//Tasten für joystick einlesen
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readButtons();
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for(row=0; row < 8; row++){
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pd1165_write(row, pixmap[plane][row][0]);
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CTRLPORT &= ~((1<<BIT_CS3)|(1<<BIT_RW));
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@ -243,7 +246,7 @@ void timer2_on(){
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*/
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TCCR2 = (1<<WGM21) | (1<<COM20) | 1 ; //CTC, OC2 toggle, clk/1
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OCR2 = 100; //80kHz clock on OC2
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OCR2 = 92; //80kHz clock on OC2
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}
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@ -6,4 +6,9 @@ include $(TOPDIR)/defaults.mk
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SRC = joystick.c
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SRC_SIM =
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ifeq ($(JOYSTICK_TYPE), JOYSTICK_NES)
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SRC = nes_pad.c
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endif
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include $(TOPDIR)/rules.mk
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@ -1,5 +1,11 @@
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dep_bool_menu "joystick support" JOYSTICK_SUPPORT y
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choice 'Joystick type' \
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"NES-Pad JOYSTICK_NES \
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Parallel JOYSTICK_PARALLEL" \
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'JOYSTICK_PARALLEL' JOYSTICK_TYPE
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###################### Parallel joystick menu #################################
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dep_bool_menu "parallel joystick support" PARALLEL_JOYSTICK_SUPPORT y
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@ -96,6 +102,67 @@ choice 'Bit fire' \
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endmenu
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###############################################################################
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###################### NES-Pad menu #################################
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dep_bool_menu "nes-pad support" NES_PAD_SUPPORT y
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choice 'Port clk' \
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"PORTA PORTA \
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PORTB PORTB \
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PORTC PORTC \
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PORTD PORTD" \
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'PORTB' NES_PAD_PORT_CLK
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choice 'Port ds' \
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"PORTA PORTA \
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PORTB PORTB \
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PORTC PORTC \
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PORTD PORTD" \
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'PORTB' NES_PAD_PORT_PL
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choice 'Pin pl' \
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"PINA PINA \
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PINB PINB \
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PINC PINC \
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PIND PIND" \
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'PINB' NES_PAD_PIN_DS
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choice 'Bit clk' \
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"Bit0 0 \
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Bit1 1 \
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Bit2 2 \
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Bit3 3 \
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Bit4 4 \
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Bit5 5 \
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Bit6 6 \
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Bit7 7" \
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'Bit0' NES_PAD_BIT_CLK
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choice 'Bit pl' \
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"Bit0 0 \
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Bit1 1 \
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Bit2 2 \
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Bit3 3 \
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Bit4 4 \
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Bit5 5 \
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Bit6 6 \
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Bit7 7" \
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'Bit0' NES_PAD_BIT_PL
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choice 'Bit ds' \
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"Bit0 0 \
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Bit1 1 \
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Bit2 2 \
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Bit3 3 \
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Bit4 4 \
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Bit5 5 \
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Bit6 6 \
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Bit7 7" \
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'Bit0' NES_PAD_BIT_DS
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endmenu
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###############################################################################
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endmenu
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@ -8,6 +8,7 @@ unsigned char waitForFire;
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inline void joy_init(){
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PORT_FROM_PIN(JOYSTICK_PIN_UP ) |= (1<<JOYSTICK_BIT_UP );
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PORT_FROM_PIN(JOYSTICK_PIN_DOWN ) |= (1<<JOYSTICK_BIT_DOWN );
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PORT_FROM_PIN(JOYSTICK_PIN_LEFT ) |= (1<<JOYSTICK_BIT_LEFT );
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@ -4,9 +4,22 @@
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extern unsigned char waitForFire;
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void joy_init();
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#ifdef AVR
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# include <avr/io.h>
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# ifdef NES_PAD_SUPPORT
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extern volatile unsigned char fakeport;
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# define JOYISUP (!! ((1<<4) & fakeport))
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# define JOYISDOWN (!! ((1<<5) & fakeport))
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# define JOYISLEFT (!! ((1<<6) & fakeport))
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# define JOYISRIGHT (!! ((1<<7) & fakeport))
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# define JOYISFIRE (!! ((1<<0) & fakeport))
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# else
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# define JOYISUP (!(JOYSTICK_PIN_UP & (1<<JOYSTICK_BIT_UP )))
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# define JOYISDOWN (!(JOYSTICK_PIN_DOWN & (1<<JOYSTICK_BIT_DOWN )))
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@ -14,9 +27,10 @@ void joy_init();
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# define JOYISRIGHT (!(JOYSTICK_PIN_RIGHT & (1<<JOYSTICK_BIT_RIGHT)))
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# define JOYISFIRE (!(JOYSTICK_PIN_FIRE & (1<<JOYSTICK_BIT_FIRE )))
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# endif
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#else
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extern unsigned char fakeport;
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extern volatile unsigned char fakeport;
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# define JOYISUP (0x10 & fakeport)
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# define JOYISDOWN (0x08 & fakeport)
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@ -0,0 +1,45 @@
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#include <avr/io.h>
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#include <util/delay.h>
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#include "../makros.h"
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#include "../config.h"
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#define NES_PAD_DDR_PL DDR(NES_PAD_PORT_PL)
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#define NES_PAD_DDR_CLK DDR(NES_PAD_PORT_CLK)
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#define NES_PAD_DDR_DS DDR(NES_PAD_PIN_DS)
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volatile unsigned char fakeport;
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unsigned char waitForFire;
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void joy_init(){
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NES_PAD_DDR_PL |= 1<<NES_PAD_BIT_PL;
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NES_PAD_DDR_CLK |= 1<<NES_PAD_BIT_CLK;
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NES_PAD_DDR_DS &= ~(1<<NES_PAD_BIT_DS);
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}
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void readButtons(){
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NES_PAD_PORT_PL |= 1<<NES_PAD_BIT_PL;
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asm volatile("nop\r\t");
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asm volatile("nop\r\t");
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asm volatile("nop\r\t");
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NES_PAD_PORT_PL &= ~ (1<<NES_PAD_BIT_PL);
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uint8_t i, port=0;
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for(i=0; i<8; i++){
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port >>= 1;
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_delay_us(1);
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if(NES_PAD_PIN_DS & (1 << NES_PAD_BIT_DS))
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port |=0x80;
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NES_PAD_PORT_CLK |= 1<<NES_PAD_BIT_CLK;
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asm volatile("nop\r\t");
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asm volatile("nop\r\t");
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NES_PAD_PORT_CLK &= ~(1<<NES_PAD_BIT_CLK);
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}
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fakeport= ~port;
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}
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