Maple state structure. More...

#include <dc/maple.h>

Data Fields
struct maple_driver_list	driver_list
	Maple device driver list.

struct maple_frame_queue	frame_queue
	Maple frame submission queue.

maple_port_t	ports [MAPLE_PORT_COUNT]
	Maple device info structure.

volatile int	dma_cntr
	DMA interrupt counter.

volatile int	vbl_cntr
	VBlank interrupt counter.

uint8 *	dma_buffer
	DMA send buffer.

volatile int	dma_in_progress
	Is a DMA running now?

uint8	detect_port_next
	Next port that will be auto-detected.

volatile uint8	scan_ready_mask
	Mask of ports that completed the initial scan.

int	vbl_handle
	Our vblank handler handle.

int	gun_port
	The port to read for lightgun status, if any.

int	gun_x
	The horizontal position of the lightgun signal.

int	gun_y
	The vertical position of the lightgun signal.

Detailed Description

Maple state structure.

We put everything in here to keep from polluting the global namespace too much.

Field Documentation

◆ detect_port_next

uint8 maple_state_t::detect_port_next

Next port that will be auto-detected.

◆ dma_buffer

uint8* maple_state_t::dma_buffer

DMA send buffer.

◆ dma_cntr

volatile int maple_state_t::dma_cntr

DMA interrupt counter.

◆ dma_in_progress

volatile int maple_state_t::dma_in_progress

Is a DMA running now?

◆ driver_list

struct maple_driver_list maple_state_t::driver_list

Maple device driver list.

Do not manipulate directly!

◆ frame_queue

struct maple_frame_queue maple_state_t::frame_queue

Maple frame submission queue.

Do not manipulate directly!

◆ gun_port

int maple_state_t::gun_port

The port to read for lightgun status, if any.

◆ gun_x

int maple_state_t::gun_x

The horizontal position of the lightgun signal.

◆ gun_y

int maple_state_t::gun_y

The vertical position of the lightgun signal.

◆ ports

maple_port_t maple_state_t::ports[MAPLE_PORT_COUNT]

Maple device info structure.

◆ scan_ready_mask

volatile uint8 maple_state_t::scan_ready_mask

Mask of ports that completed the initial scan.

◆ vbl_cntr

volatile int maple_state_t::vbl_cntr

VBlank interrupt counter.

◆ vbl_handle

int maple_state_t::vbl_handle

Our vblank handler handle.

The documentation for this struct was generated from the following file:

kernel/arch/dreamcast/include/dc/maple.h

Data Fields