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https://github.com/ARMSX2/ARMSX1.git
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allkern
b043b94344
Fixed multiple GPU bugs: poly seam, wrong rect colors, transparent overlap Implemented Namco GunCon support Implemented support from 4MB/8MB RAM
141 lines
4.4 KiB
C
141 lines
4.4 KiB
C
#ifndef PAD_H
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#define PAD_H
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#include <stdint.h>
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#include "ic.h"
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#include "input.h"
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#include "mcd.h"
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#include "../input/sda.h"
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#define PSX_PAD_BEGIN 0x1f801040
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#define PSX_PAD_SIZE 0x10
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#define PSX_PAD_END 0x1f80104f
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/*
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0 TX Ready Flag 1 (1=Ready/Started)
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1 RX FIFO Not Empty (0=Empty, 1=Not Empty)
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2 TX Ready Flag 2 (1=Ready/Finished)
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3 RX Parity Error (0=No, 1=Error; Wrong Parity, when enabled) (sticky)
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4 Unknown (zero) (unlike SIO, this isn't RX FIFO Overrun flag)
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5 Unknown (zero) (for SIO this would be RX Bad Stop Bit)
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6 Unknown (zero) (for SIO this would be RX Input Level AFTER Stop bit)
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7 /ACK Input Level (0=High, 1=Low)
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8 Unknown (zero) (for SIO this would be CTS Input Level)
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9 Interrupt Request (0=None, 1=IRQ7) (See JOY_CTRL.Bit4,10-12) (sticky)
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10 Unknown (always zero)
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11-31 Baudrate Timer (21bit timer, decrementing at 33MHz)
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*/
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#define STAT_TXR1 0x0001
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#define STAT_RXNE 0x0002
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#define STAT_TXR2 0x0004
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#define STAT_RXPE 0x0008
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#define STAT_UNK4 0x0010
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#define STAT_UNK5 0x0020
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#define STAT_UNK6 0x0040
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#define STAT_ACKL 0x0080
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#define STAT_UNK8 0x0100
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#define STAT_IRQ7 0x0200
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/*
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0 TX Enable (TXEN) (0=Disable, 1=Enable)
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1 /JOYn Output (0=High, 1=Low/Select) (/JOYn as defined in Bit13)
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2 RX Enable (RXEN) (0=Normal, when /JOYn=Low, 1=Force Enable Once)
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3 Unknown? (read/write-able) (for SIO, this would be TX Output Level)
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4 Acknowledge (0=No change, 1=Reset JOY_STAT.Bits 3,9) (W)
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5 Unknown? (read/write-able) (for SIO, this would be RTS Output Level)
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6 Reset (0=No change, 1=Reset most JOY_registers to zero) (W)
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7 Not used (always zero) (unlike SIO, no matter of FACTOR)
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8-9 RX Interrupt Mode (0..3 = IRQ when RX FIFO contains 1,2,4,8 bytes)
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10 TX Interrupt Enable (0=Disable, 1=Enable) ;when JOY_STAT.0-or-2 ;Ready
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11 RX Interrupt Enable (0=Disable, 1=Enable) ;when N bytes in RX FIFO
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12 ACK Interrupt Enable (0=Disable, 1=Enable) ;when JOY_STAT.7 ;/ACK=LOW
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13 Desired Slot Number (0=/JOY1, 1=/JOY2) (set to LOW when Bit1=1)
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14-15 Not used (always zero)
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*/
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#define CTRL_TXEN 0x0001
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#define CTRL_JOUT 0x0002
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#define CTRL_RXEN 0x0004
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#define CTRL_UNK3 0x0008
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#define CTRL_ACKN 0x0010
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#define CTRL_UNK5 0x0020
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#define CTRL_REST 0x0040
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#define CTRL_NUS7 0x0080
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#define CTRL_RXIM 0x0300
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#define CTRL_TXIE 0x0400
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#define CTRL_RXIE 0x0800
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#define CTRL_ACIE 0x1000
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#define CTRL_SLOT 0x2000
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enum {
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DEST_JOY = 0x01,
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DEST_MCD = 0x81
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};
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enum {
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PAD_CONTROLLER_SDA,
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PAD_CONTROLLER_MOUSE,
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PAD_CONTROLLER_NAMCO_VOLUME,
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PAD_CONTROLLER_SANKYO_NASUKA,
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PAD_WHEEL_NEGCON,
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PAD_WHEEL_MADCATZ,
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PAD_WHEEL_MADCATZ_MC2
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};
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/*
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To-do: Design API to interface any type of controller.
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Possible names:
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- psx_im (Input Method)
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- psx_controller
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- psx_input
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Private API should contain a way to get the ID of
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this controller, public API should contain the following
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functions: (WIP)
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- _write(data)
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- _read()
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_ _on_button_press(id)
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- _on_button_release(id)
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- _on_analog_change(id)
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*/
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typedef struct {
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uint32_t bus_delay;
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uint32_t io_base, io_size;
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psx_ic_t* ic;
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psx_input_t* joy_slot[2];
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psx_mcd_t* mcd_slot[2];
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int enable_once;
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int cycles_until_irq;
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int cycle_counter;
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int dest[2];
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int irq_bit;
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uint16_t mode, ctrl, baud, stat;
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} psx_pad_t;
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psx_pad_t* psx_pad_create(void);
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void psx_pad_init(psx_pad_t*, psx_ic_t*);
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uint32_t psx_pad_read32(psx_pad_t*, uint32_t);
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uint16_t psx_pad_read16(psx_pad_t*, uint32_t);
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uint8_t psx_pad_read8(psx_pad_t*, uint32_t);
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void psx_pad_write32(psx_pad_t*, uint32_t, uint32_t);
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void psx_pad_write16(psx_pad_t*, uint32_t, uint16_t);
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void psx_pad_write8(psx_pad_t*, uint32_t, uint8_t);
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void psx_pad_destroy(psx_pad_t*);
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void psx_pad_button_press(psx_pad_t*, int, uint32_t);
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void psx_pad_button_release(psx_pad_t*, int, uint32_t);
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void psx_pad_analog_change(psx_pad_t*, int, uint32_t, uint16_t);
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void psx_pad_attach_joy(psx_pad_t*, int, psx_input_t*);
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void psx_pad_detach_joy(psx_pad_t*, int);
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void psx_pad_attach_mcd(psx_pad_t*, int, const char*);
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void psx_pad_detach_mcd(psx_pad_t*, int);
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void psx_pad_update(psx_pad_t*, int);
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#endif |