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7f52a770d9
So far the joy_masks array allowed several joystick drivers for a single target to each have different joy_read return values. However this meant that every call to joy_read implied an additional joy_masks lookup to post-process the return value. Given that almost all targets only come with a single joystick driver this seems an inappropriate overhead. Therefore now the target header files contain constants matching the return value of the joy_read of the joystick driver(s) on that target. If there indeed are several joystick drivers for a single target they must agree on a common return value for joy_read. In some cases this was alredy the case as there's a "natural" return value for joy_read. However a few joystick drivers need to be adjusted. This may cause some overhead inside the driver. But that is for sure smaller than the overhead introduced by the joy_masks lookup before. !!! ToDo !!! The following three joystick drivers become broken with this commit and need to be adjusted: - atrmj8.s - c64-numpad.s - vic20-stdjoy.s
174 lines
6.3 KiB
C
174 lines
6.3 KiB
C
/*****************************************************************************/
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/* */
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/* c128.h */
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/* */
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/* C128 system specific definitions */
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/* */
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/* */
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/* */
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/* (C) 1998-2013, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef _C128_H
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#define _C128_H
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/* Check for errors */
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#if !defined(__C128__)
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# error This module may only be used when compiling for the C128!
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#endif
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/* Additional key defines */
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#define CH_F1 133
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#define CH_F2 137
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#define CH_F3 134
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#define CH_F4 138
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#define CH_F5 135
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#define CH_F6 139
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#define CH_F7 136
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#define CH_F8 140
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/* Color defines */
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#define COLOR_BLACK 0x00
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#define COLOR_WHITE 0x01
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#define COLOR_RED 0x02
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#define COLOR_CYAN 0x03
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#define COLOR_VIOLET 0x04
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#define COLOR_GREEN 0x05
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#define COLOR_BLUE 0x06
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#define COLOR_YELLOW 0x07
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#define COLOR_ORANGE 0x08
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#define COLOR_BROWN 0x09
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#define COLOR_LIGHTRED 0x0A
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#define COLOR_GRAY1 0x0B
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#define COLOR_GRAY2 0x0C
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#define COLOR_LIGHTGREEN 0x0D
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#define COLOR_LIGHTBLUE 0x0E
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#define COLOR_GRAY3 0x0F
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/* TGI color defines */
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#define TGI_COLOR_BLACK COLOR_BLACK
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#define TGI_COLOR_WHITE COLOR_WHITE
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#define TGI_COLOR_RED COLOR_RED
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#define TGI_COLOR_CYAN COLOR_CYAN
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#define TGI_COLOR_VIOLET COLOR_VIOLET
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#define TGI_COLOR_GREEN COLOR_GREEN
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#define TGI_COLOR_BLUE COLOR_BLUE
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#define TGI_COLOR_YELLOW COLOR_YELLOW
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#define TGI_COLOR_ORANGE COLOR_ORANGE
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#define TGI_COLOR_BROWN COLOR_BROWN
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#define TGI_COLOR_LIGHTRED COLOR_LIGHTRED
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#define TGI_COLOR_GRAY1 COLOR_GRAY1
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#define TGI_COLOR_GRAY2 COLOR_GRAY2
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#define TGI_COLOR_LIGHTGREEN COLOR_LIGHTGREEN
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#define TGI_COLOR_LIGHTBLUE COLOR_LIGHTBLUE
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#define TGI_COLOR_GRAY3 COLOR_GRAY3
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/* Masks for joy_read */
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#define JOY_UP_MASK 0x01
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#define JOY_DOWN_MASK 0x02
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#define JOY_LEFT_MASK 0x04
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#define JOY_RIGHT_MASK 0x08
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#define JOY_BTN_1_MASK 0x10
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/* Video mode defines */
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#define VIDEOMODE_40x25 0x00
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#define VIDEOMODE_80x25 0x80
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#define VIDEOMODE_40COL VIDEOMODE_40x25
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#define VIDEOMODE_80COL VIDEOMODE_80x25
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/* Define hardware */
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#include <_vic2.h>
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#define VIC (*(struct __vic2*)0xD000)
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#include <_sid.h>
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#define SID (*(struct __sid*)0xD400)
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#include <_vdc.h>
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#define VDC (*(struct __vdc*)0xD600)
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#include <_6526.h>
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#define CIA1 (*(struct __6526*)0xDC00)
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#define CIA2 (*(struct __6526*)0xDD00)
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/* Define special memory areas */
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#define COLOR_RAM ((unsigned char*)0xD800)
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/* The addresses of the static drivers */
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extern void c128_georam_emd[];
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extern void c128_ram_emd[];
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extern void c128_ram2_emd[];
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extern void c128_ramcart_emd[];
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extern void c128_reu_emd[];
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extern void c128_vdc_emd[];
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extern void c128_ptvjoy_joy[];
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extern void c128_stdjoy_joy[]; /* Referred to by joy_static_stddrv[] */
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extern void c128_1351_mou[]; /* Referred to by mouse_static_stddrv[] */
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extern void c128_joy_mou[];
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extern void c128_inkwell_mou[];
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extern void c128_pot_mou[];
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extern void c128_swlink_ser[];
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extern void c128_vdc_tgi[]; /* Referred to by tgi_static_stddrv[] */
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extern void c128_vdc2_tgi[];
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unsigned __fastcall__ videomode (unsigned Mode);
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/* Set the video mode, return the old mode. Call with one of the VIDEOMODE_xx
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** constants.
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*/
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void toggle_videomode (void);
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/* Toggle the video mode between 40 and 80 chars (calls SWAPPER).
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** THIS FUNCTION IS DEPRECATED, please use videomode instead!
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*/
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void c64mode (void);
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/* Switch the C128 into C64 mode. Note: This function will not return! */
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void fast (void);
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/* Switch the CPU into 2MHz mode. Note: This will disable video when in
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** 40 column mode.
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*/
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void slow (void);
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/* Switch the CPU into 1MHz mode. */
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/* End of c128.h */
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#endif
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