From a143f260616c7846dafc4e41396e784550596b52 Mon Sep 17 00:00:00 2001 From: cuz Date: Fri, 20 Dec 2002 21:02:35 +0000 Subject: [PATCH] New joystick API git-svn-id: svn://svn.cc65.org/cc65/trunk@1798 b7a2c559-68d2-44c3-8de9-860c34a00d81 --- asminc/joy-error.inc | 44 ++++++++++++++++ asminc/joy-kernel.inc | 76 ++++++++++++++++++++++++++++ include/joystick.h | 55 ++++++++++++++++---- include/joystick/joy-kernel.h | 94 +++++++++++++++++++++++++++++++++++ 4 files changed, 259 insertions(+), 10 deletions(-) create mode 100644 asminc/joy-error.inc create mode 100644 asminc/joy-kernel.inc create mode 100644 include/joystick/joy-kernel.h diff --git a/asminc/joy-error.inc b/asminc/joy-error.inc new file mode 100644 index 000000000..5c133864b --- /dev/null +++ b/asminc/joy-error.inc @@ -0,0 +1,44 @@ +;/*****************************************************************************/ +;/* */ +;/* joy-error.inc */ +;/* */ +;/* Joystick error codes */ +;/* */ +;/* */ +;/* */ +;/* (C) 2002 Ullrich von Bassewitz */ +;/* Wacholderweg 14 */ +;/* D-70597 Stuttgart */ +;/* EMail: uz@musoftware.de */ +;/* */ +;/* */ +;/* This software is provided 'as-is', without any expressed or implied */ +;/* warranty. In no event will the authors be held liable for any damages */ +;/* arising from the use of this software. */ +;/* */ +;/* Permission is granted to anyone to use this software for any purpose, */ +;/* including commercial applications, and to alter it and redistribute it */ +;/* freely, subject to the following restrictions: */ +;/* */ +;/* 1. The origin of this software must not be misrepresented; you must not */ +;/* claim that you wrote the original software. If you use this software */ +;/* in a product, an acknowledgment in the product documentation would be */ +;/* appreciated but is not required. */ +;/* 2. Altered source versions must be plainly marked as such, and must not */ +;/* be misrepresented as being the original software. */ +;/* 3. This notice may not be removed or altered from any source */ +;/* distribution. */ +;/* */ +;/*****************************************************************************/ + + + +; Error codes +JOY_ERR_OK = 0 ; No error +JOY_ERR_NO_DRIVER = 1 ; No driver available +JOY_ERR_CANNOT_LOAD = 2 ; Error loading driver +JOY_ERR_INV_DRIVER = 3 ; Invalid driver +JOY_ERR_NO_DEVICE = 4 ; Device (hardware) not found + + + diff --git a/asminc/joy-kernel.inc b/asminc/joy-kernel.inc new file mode 100644 index 000000000..f108ed1fe --- /dev/null +++ b/asminc/joy-kernel.inc @@ -0,0 +1,76 @@ +;/*****************************************************************************/ +;/* */ +;/* joy-kernel.inc */ +;/* */ +;/* Internally used joystick functions */ +;/* */ +;/* */ +;/* */ +;/* (C) 2002 Ullrich von Bassewitz */ +;/* Wacholderweg 14 */ +;/* D-70597 Stuttgart */ +;/* EMail: uz@musoftware.de */ +;/* */ +;/* */ +;/* This software is provided 'as-is', without any expressed or implied */ +;/* warranty. In no event will the authors be held liable for any damages */ +;/* arising from the use of this software. */ +;/* */ +;/* Permission is granted to anyone to use this software for any purpose, */ +;/* including commercial applications, and to alter it and redistribute it */ +;/* freely, subject to the following restrictions: */ +;/* */ +;/* 1. The origin of this software must not be misrepresented; you must not */ +;/* claim that you wrote the original software. If you use this software */ +;/* in a product, an acknowledgment in the product documentation would be */ +;/* appreciated but is not required. */ +;/* 2. Altered source versions must be plainly marked as such, and must not */ +;/* be misrepresented as being the original software. */ +;/* 3. This notice may not be removed or altered from any source */ +;/* distribution. */ +;/* */ +;/*****************************************************************************/ + + + + + + +;------------------------------------------------------------------------------ +; Driver header stuff + +JOY_HDR_ID = 0 ; $6A, $6F, $79 ("joy") +JOY_HDR_VERSION = 3 ; Interface version + +JOY_MASKS = 4 ; Joystick state mask array +JOY_MASK_COUNT = 8 ; Size of the array + +JOY_HDR_JUMPTAB = 12 +JOY_HDR_INSTALL = JOY_HDR_JUMPTAB+0 ; INSTALL routine +JOY_HDR_DEINSTALL = JOY_HDR_JUMPTAB+2 ; DEINSTALL routine +JOY_HDR_COUNT = JOY_HDR_JUMPTAB+4 ; COUNT routine +JOY_HDR_READ = JOY_HDR_JUMPTAB+6 ; READ routine + +JOY_HDR_JUMPCOUNT = 4 ; Number of jump vectors + +;------------------------------------------------------------------------------ +; Variables + + .global _joy_drv ; Pointer to driver + +;------------------------------------------------------------------------------ +; Driver entry points + + .global joy_install + .global joy_deinstall + .global joy_count + .global joy_read + +;------------------------------------------------------------------------------ +; ASM functions + + .global _joy_install + .global _joy_deinstall + .global _joy_count + .global _joy_read + diff --git a/include/joystick.h b/include/joystick.h index 4258c58f0..266823842 100644 --- a/include/joystick.h +++ b/include/joystick.h @@ -6,7 +6,7 @@ /* */ /* */ /* */ -/* (C) 1998-2001 Ullrich von Bassewitz */ +/* (C) 1998-2002 Ullrich von Bassewitz */ /* Wacholderweg 14 */ /* D-70597 Stuttgart */ /* EMail: uz@musoftware.de */ @@ -38,20 +38,39 @@ -/* Define __JOYSTICK__ for systems that support a joystick */ -#if defined(__ATARI__) || defined(__C16__) || defined(__C64__) || defined(__C128__) || defined(__PLUS4__) || defined(__CBM510__) || defined(__VIC20__) -# define __JOYSTICK__ -#else -# error The target system does not support a joystick! -# endif +/*****************************************************************************/ +/* Definitions */ +/*****************************************************************************/ + + -/* Argument for the function */ +/* Error codes */ +#define JOY_ERR_OK 0 /* No error */ +#define JOY_ERR_NO_DRIVER 1 /* No driver available */ +#define JOY_ERR_CANNOT_LOAD 2 /* Error loading driver */ +#define JOY_ERR_INV_DRIVER 3 /* Invalid driver */ +#define JOY_ERR_NO_DEVICE 4 /* Device (hardware) not found */ + +/* Argument for the joy_read function */ #define JOY_1 0 #define JOY_2 1 +/* The following codes are *indices* into the joy_masks array */ +#define JOY_UP 0 +#define JOY_DOWN 1 +#define JOY_LEFT 2 +#define JOY_RIGHT 3 +#define JOY_FIRE 4 + +/* Array of masks used to check the return value of joy_read for a state */ +extern const unsigned char joy_masks[8]; + + + /* Result codes of the function. The actual code is a bitwise or * of one or more of the following values. */ +#if 0 #if defined(__VIC20__) # define JOY_UP 0x02 # define JOY_DOWN 0x04 @@ -65,11 +84,27 @@ # define JOY_RIGHT 0x08 # define JOY_FIRE 0x10 #endif +#endif + + + +/*****************************************************************************/ +/* Functions */ +/*****************************************************************************/ + + + +unsigned char __fastcall__ joy_load_driver (const char* driver); +/* Load a joystick driver and return an error code */ +unsigned char __fastcall__ joy_unload (void); +/* Unload the currently loaded driver. */ +unsigned char __fastcall__ joy_count (void); +/* Return the number of joysticks supported by the driver */ -unsigned __fastcall__ readjoy (unsigned char joy); -/* Read the joystick. The argument is one of JOY_1/JOY2 */ +unsigned char __fastcall__ joy_read (unsigned char joystick); +/* Read a particular joystick */ diff --git a/include/joystick/joy-kernel.h b/include/joystick/joy-kernel.h new file mode 100644 index 000000000..f30f7982b --- /dev/null +++ b/include/joystick/joy-kernel.h @@ -0,0 +1,94 @@ +/*****************************************************************************/ +/* */ +/* joy-kernel.h */ +/* */ +/* Internally used joystick functions */ +/* */ +/* */ +/* */ +/* (C) 2002 Ullrich von Bassewitz */ +/* Wacholderweg 14 */ +/* D-70597 Stuttgart */ +/* EMail: uz@musoftware.de */ +/* */ +/* */ +/* This software is provided 'as-is', without any expressed or implied */ +/* warranty. In no event will the authors be held liable for any damages */ +/* arising from the use of this software. */ +/* */ +/* Permission is granted to anyone to use this software for any purpose, */ +/* including commercial applications, and to alter it and redistribute it */ +/* freely, subject to the following restrictions: */ +/* */ +/* 1. The origin of this software must not be misrepresented; you must not */ +/* claim that you wrote the original software. If you use this software */ +/* in a product, an acknowledgment in the product documentation would be */ +/* appreciated but is not required. */ +/* 2. Altered source versions must be plainly marked as such, and must not */ +/* be misrepresented as being the original software. */ +/* 3. This notice may not be removed or altered from any source */ +/* distribution. */ +/* */ +/*****************************************************************************/ + + + +#ifndef _JOY_KERNEL_H +#define _JOY_KERNEL_H + + + +/*****************************************************************************/ +/* Data */ +/*****************************************************************************/ + + + +/* A structure that describes the header of a joystick driver loaded into + * memory. + */ +typedef struct { + + /* Driver header */ + char id[3]; /* Contains 0x65, 0x6d, 0x64 ("emd") */ + unsigned char version; /* Interface version */ + + /* Bitmasks for the joystick states. See joystick.h for indices */ + unsigned char masks[8]; + + /* Jump vectors. Note that these are not C callable */ + void* install; /* INSTALL routine */ + void* deinstall; /* DEINSTALL routine */ + void* count; /* COUNT routine */ + void* read; /* READ routine */ + +} joy_drv_header; + + + +/* EM kernel variables */ +extern joy_drv_header* joy_drv; /* Pointer to driver */ + + + + +/*****************************************************************************/ +/* Functions */ +/*****************************************************************************/ + + + +unsigned char __fastcall__ joy_install (void* driver); +/* Install the driver once it is loaded, return an error code. */ + +void __fastcall__ joy_deinstall (void); +/* Deinstall the driver before unloading it */ + + + +/* End of joy-kernel.h */ +#endif + + + + -- 2.39.5