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atari5200: conio now uses just four colors altogether
See discussion in PR #870.
This commit is contained in:
Christian Groessler
parent
9bfd9fb2f9
commit
61b6d3683f
@ -111,6 +111,14 @@ ANTIC = $D400 ; ANTIC area
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POKEY = $E800 ; POKEY area
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.include "atari_pokey.inc"
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;-------------------------------------------------------------------------
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; conio color defines
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;-------------------------------------------------------------------------
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COLOR_WHITE = 0
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COLOR_RED = 1
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COLOR_GREEN = 2
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COLOR_BLACK = 3
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;-------------------------------------------------------------------------
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; Cartridge Parameters
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@ -79,3 +79,41 @@ VDELAY = GTIA + $1C ;vertical delay
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GRACTL = GTIA + $1D ;graphic control
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HITCLR = GTIA + $1E ;collision clear
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; Hue values
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HUE_GREY = 0
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HUE_GOLD = 1
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HUE_GOLDORANGE = 2
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HUE_REDORANGE = 3
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HUE_ORANGE = 4
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HUE_MAGENTA = 5
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HUE_PURPLE = 6
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HUE_BLUE = 7
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HUE_BLUE2 = 8
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HUE_CYAN = 9
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HUE_BLUEGREEN = 10
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HUE_BLUEGREEN2 = 11
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HUE_GREEN = 12
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HUE_YELLOWGREEN = 13
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HUE_YELLOW = 14
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HUE_YELLOWRED = 15
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; Color defines, similar to c64 colors (untested)
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GTIA_COLOR_BLACK = (HUE_GREY << 4)
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GTIA_COLOR_WHITE = (HUE_GREY << 4 | 7 << 1)
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GTIA_COLOR_RED = (HUE_REDORANGE << 4 | 1 << 1)
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GTIA_COLOR_CYAN = (HUE_CYAN << 4 | 3 << 1)
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GTIA_COLOR_VIOLET = (HUE_PURPLE << 4 | 4 << 1)
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GTIA_COLOR_GREEN = (HUE_GREEN << 4 | 2 << 1)
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GTIA_COLOR_BLUE = (HUE_BLUE << 4 | 2 << 1)
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GTIA_COLOR_YELLOW = (HUE_YELLOW << 4 | 7 << 1)
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GTIA_COLOR_ORANGE = (HUE_ORANGE << 4 | 5 << 1)
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GTIA_COLOR_BROWN = (HUE_YELLOW << 4 | 2 << 1)
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GTIA_COLOR_LIGHTRED = (HUE_REDORANGE << 4 | 6 << 1)
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GTIA_COLOR_GRAY1 = (HUE_GREY << 4 | 2 << 1)
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GTIA_COLOR_GRAY2 = (HUE_GREY << 4 | 3 << 1)
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GTIA_COLOR_LIGHTGREEN = (HUE_GREEN << 4 | 6 << 1)
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GTIA_COLOR_LIGHTBLUE = (HUE_BLUE << 4 | 6 << 1)
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GTIA_COLOR_GRAY3 = (HUE_GREY << 4 | 5 << 1)
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@ -131,44 +131,23 @@ struct __gtia_write {
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#define HUE_YELLOWRED 15
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/* Color defines, similar to c64 colors (untested) */
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/* Note that the conio color implementation is monochrome
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** (bgcolor and textcolor are only placeholders)
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*/
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/* Use the defines with the setcolor() or _atari_xxxcolor() functions */
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#define COLOR_BLACK _gtia_mkcolor(HUE_GREY,0)
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#define COLOR_WHITE _gtia_mkcolor(HUE_GREY,7)
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#define COLOR_RED _gtia_mkcolor(HUE_REDORANGE,1)
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#define COLOR_CYAN _gtia_mkcolor(HUE_CYAN,3)
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#define COLOR_VIOLET _gtia_mkcolor(HUE_PURPLE,4)
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#define COLOR_GREEN _gtia_mkcolor(HUE_GREEN,2)
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#define COLOR_BLUE _gtia_mkcolor(HUE_BLUE,2)
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#define COLOR_YELLOW _gtia_mkcolor(HUE_YELLOW,7)
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#define COLOR_ORANGE _gtia_mkcolor(HUE_ORANGE,5)
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#define COLOR_BROWN _gtia_mkcolor(HUE_YELLOW,2)
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#define COLOR_LIGHTRED _gtia_mkcolor(HUE_REDORANGE,6)
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#define COLOR_GRAY1 _gtia_mkcolor(HUE_GREY,2)
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#define COLOR_GRAY2 _gtia_mkcolor(HUE_GREY,3)
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#define COLOR_LIGHTGREEN _gtia_mkcolor(HUE_GREEN,6)
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#define COLOR_LIGHTBLUE _gtia_mkcolor(HUE_BLUE,6)
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#define COLOR_GRAY3 _gtia_mkcolor(HUE_GREY,5)
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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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/* Hardware palette values (for GTIA colxxx registers) */
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#define GTIA_COLOR_BLACK _gtia_mkcolor(HUE_GREY,0)
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#define GTIA_COLOR_WHITE _gtia_mkcolor(HUE_GREY,7)
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#define GTIA_COLOR_RED _gtia_mkcolor(HUE_REDORANGE,1)
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#define GTIA_COLOR_CYAN _gtia_mkcolor(HUE_CYAN,3)
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#define GTIA_COLOR_VIOLET _gtia_mkcolor(HUE_PURPLE,4)
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#define GTIA_COLOR_GREEN _gtia_mkcolor(HUE_GREEN,2)
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#define GTIA_COLOR_BLUE _gtia_mkcolor(HUE_BLUE,2)
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#define GTIA_COLOR_YELLOW _gtia_mkcolor(HUE_YELLOW,7)
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#define GTIA_COLOR_ORANGE _gtia_mkcolor(HUE_ORANGE,5)
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#define GTIA_COLOR_BROWN _gtia_mkcolor(HUE_YELLOW,2)
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#define GTIA_COLOR_LIGHTRED _gtia_mkcolor(HUE_REDORANGE,6)
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#define GTIA_COLOR_GRAY1 _gtia_mkcolor(HUE_GREY,2)
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#define GTIA_COLOR_GRAY2 _gtia_mkcolor(HUE_GREY,3)
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#define GTIA_COLOR_LIGHTGREEN _gtia_mkcolor(HUE_GREEN,6)
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#define GTIA_COLOR_LIGHTBLUE _gtia_mkcolor(HUE_BLUE,6)
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#define GTIA_COLOR_GRAY3 _gtia_mkcolor(HUE_GREY,5)
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/*****************************************************************************/
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@ -377,6 +377,51 @@ extern void atrx15p2_tgi[];
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#define ANTIC (*(struct __antic*)0xD400)
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/*****************************************************************************/
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/* conio and TGI color defines */
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/*****************************************************************************/
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/* Note that the conio color implementation is monochrome
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** (textcolor just sets text brightness low or high, depending on background
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** color)
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** These values can be used with bordercolor(), bgcolor(), and _setcolor_low()
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*/
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#define COLOR_BLACK GTIA_COLOR_BLACK
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#define COLOR_WHITE GTIA_COLOR_WHITE
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#define COLOR_RED GTIA_COLOR_RED
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#define COLOR_CYAN GTIA_COLOR_CYAN
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#define COLOR_VIOLET GTIA_COLOR_VIOLET
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#define COLOR_GREEN GTIA_COLOR_GREEN
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#define COLOR_BLUE GTIA_COLOR_BLUE
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#define COLOR_YELLOW GTIA_COLOR_YELLOW
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#define COLOR_ORANGE GTIA_COLOR_ORANGE
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#define COLOR_BROWN GTIA_COLOR_BROWN
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#define COLOR_LIGHTRED GTIA_COLOR_LIGHTRED
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#define COLOR_GRAY1 GTIA_COLOR_GRAY1
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#define COLOR_GRAY2 GTIA_COLOR_GRAY2
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#define COLOR_LIGHTGREEN GTIA_COLOR_LIGHTGREEN
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#define COLOR_LIGHTBLUE GTIA_COLOR_LIGHTBLUE
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#define COLOR_GRAY3 GTIA_COLOR_GRAY3
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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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/*****************************************************************************/
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/* PIA PORTA and PORTB register bits */
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/*****************************************************************************/
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@ -77,6 +77,12 @@ extern void atr5200std_joy[]; /* referred to by joy_static_stddrv[] */
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#include <_antic.h>
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#define ANTIC (*(struct __antic*)0xD400)
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/* conio color defines */
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#define COLOR_WHITE 0x00
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#define COLOR_RED 0x01
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#define COLOR_GREEN 0x02
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#define COLOR_BLACK 0x03
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/* The following #define will cause the matching function calls in conio.h
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** to be overlaid by macros with the same names, saving the function call
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** overhead.
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@ -1 +1,37 @@
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.include "../atari/bgcolor.s"
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;
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; Christian Groessler, 05-Apr-2019
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;
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.import conio_colors
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.export _bgcolor
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.include "atari5200.inc"
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.constructor init_old_bgcolor
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.bss
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old_bg_color:
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.res 1
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.code
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_bgcolor:
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and #3
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tax
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lda conio_colors,x
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ldx old_bg_color
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sta COLOR4 ; set new value
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sta old_bg_color
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txa
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ldx #0 ; fix X
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rts
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.segment "ONCE"
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init_old_bgcolor:
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lda conio_colors+3 ; see also conioscreen.s for initialization
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sta old_bg_color
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rts
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.end
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@ -7,6 +7,7 @@
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SCREEN_BUF_SIZE = 20 * 24
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SCREEN_BUF = $4000 - SCREEN_BUF_SIZE
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.import conio_colors
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.export screen_setup
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.export screen_width, screen_height
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.export conio_color
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@ -43,16 +44,15 @@ clrscr: sta (SAVMSC),y
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; set default colors
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lda #40
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lda conio_colors
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sta COLOR0
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lda #202
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lda conio_colors+1
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sta COLOR1
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lda #148
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lda conio_colors+2
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sta COLOR2
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lda #70
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lda conio_colors+3
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sta COLOR3
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lda #0
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sta COLOR4
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sta COLOR4 ; background
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; set display list
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@ -82,8 +82,8 @@ putchar:
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sta ptr4+1
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pla ; get char again
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; and #$C0 ; without this we are compatible with the old version. user must not try to output a char >= $3F
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ora conio_color
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and #$3F ; clear palette index bits
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ora conio_color ; use currently selected palette
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ldy COLCRS_5200
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sta (ptr4),y
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@ -7,6 +7,7 @@
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SCREEN_BUF_SIZE = 20 * 12
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SCREEN_BUF = $4000 - SCREEN_BUF_SIZE
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.import conio_colors
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.export screen_setup
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.export screen_width, screen_height
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.export conio_color
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@ -43,16 +44,15 @@ clrscr: sta (SAVMSC),y
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; set default colors
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lda #40
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lda conio_colors
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sta COLOR0
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lda #202
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lda conio_colors+1
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sta COLOR1
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lda #148
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lda conio_colors+2
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sta COLOR2
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lda #70
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lda conio_colors+3
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sta COLOR3
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lda #0
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sta COLOR4
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sta COLOR4 ; background
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; set display list
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@ -2,6 +2,8 @@
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; Christian Groessler, 02-Apr-2019
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;
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; unsigned char __fastcall__ textcolor (unsigned char color);
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;
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; "color" value is a palette index (0..3) or COLOR_xxx value (0..3)
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.export _textcolor
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.import conio_color
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@ -69,15 +69,15 @@ int main (void)
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gotoxy ((XSize - strlen (Text)) / 2, YSize / 2);
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cprintf ("%s", Text);
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PosY = wherey () + 1;
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PosY = wherey ();
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textcolor (0); /* switch to color #0 */
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cputsxy(3, PosY++, "COLOR 0");
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cputsxy(3, ++PosY, "COLOR 0");
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textcolor (1); /* switch to color #1 */
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cputsxy(3, PosY++, "COLOR 1");
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cputsxy(3, ++PosY, "COLOR 1");
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textcolor (2); /* switch to color #2 */
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cputsxy(3, PosY++, "COLOR 2");
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textcolor (3); /* switch to color #3 */
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cputsxy(3, PosY, "COLOR 3");
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cputsxy(3, ++PosY, "COLOR 2");
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textcolor (3); /* switch to color #3 */ /* color #3 is the background color. So written text isn't visible. */
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cputsxy(3, ++PosY, "COLOR 3");
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#if defined(__NES__) || defined(__PCE__) || defined(__GAMATE__) || defined(__ATARI5200__)
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