v6502
The MOS 6502 Virtual Machine and Toolchain Infrastructure
textmode.h
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1 
4 /*
5  * Copyright (c) 2013 Daniel Loffgren
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a copy
8  * of this software and associated documentation files (the "Software"), to
9  * deal in the Software without restriction, including without limitation the
10  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
11  * sell copies of the Software, and to permit persons to whom the Software is
12  * furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23  * IN THE SOFTWARE.
24  */
25 
26 #ifndef v6502_textmode_h
27 #define v6502_textmode_h
28 
29 #include <curses.h>
30 
31 #include <v6502/mem.h>
32 
34 #define textMode_characterMemoryStart 0x2000
35 
36 #define textMode_attributeMemoryStart 0x3000
37 
38 #define textMode_memoryCeiling 0x4000
39 
54 typedef struct {
56  WINDOW *screen;
60 
70 void textMode_updateCharacter(v6502_textmode_video *vid, int x, int y);
72 uint16_t textMode_addressForLocation(int x, int y);
75 #endif
v6502_textmode_video * textMode_create(v6502_memory *mem)
Create v6502_textmode_video.
Definition: textmode.c:52
void textMode_refreshVideo(v6502_textmode_video *vid)
Force a fullscreen refresh.
Definition: textmode.c:71
Virtual Memory.
void textMode_destroy(v6502_textmode_video *vid)
Destroy v6502_textmode_video.
Definition: textmode.c:60
WINDOW * screen
Curses output object.
Definition: textmode.h:56
void textMode_updateCharacter(v6502_textmode_video *vid, int x, int y)
Refresh a single character of the output (When memory is trapped, this is called automatically on mem...
Definition: textmode.c:84
uint16_t textMode_addressForLocation(int x, int y)
Convert x, y coordinates to the address in memory that is expected to hold the character.
Definition: textmode.c:95
void textMode_rest(v6502_textmode_video *vid)
Put virtual video into "rest" mode, where the hosting terminal is restored, but the video data is pre...
Definition: textmode.c:65
Virtual Text-Mode Hardware Object.
Definition: textmode.h:54
v6502_memory * memory
Hardwired memory used to trap video activity and report keyboard input.
Definition: textmode.h:58
Virtual Memory Object.
Definition: mem.h:119