rayzor

annotate src/mouse.c @ 17:79609d482762

the renderer renders, also fixed an unnoticed matrix conversion problem between scenegraph and min3d
author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 14 Apr 2014 07:34:45 +0300
parents a826bf0fb169
children
rev   line source
nuclear@1 1 #include "mouse.h"
nuclear@1 2 #include "inttypes.h"
nuclear@1 3
nuclear@1 4 #define INTR 0x33
nuclear@1 5
nuclear@1 6 #define QUERY 0
nuclear@1 7 #define SHOW 1
nuclear@1 8 #define HIDE 2
nuclear@1 9 #define READ 3
nuclear@1 10 #define WRITE 4
nuclear@7 11 #define PIXRATE 0xf
nuclear@1 12
nuclear@1 13 #define XLIM 7
nuclear@1 14 #define YLIM 8
nuclear@1 15
nuclear@1 16 int have_mouse(void)
nuclear@1 17 {
nuclear@7 18 uint16_t res = 0;
nuclear@7 19 _asm {
nuclear@7 20 mov eax, QUERY
nuclear@7 21 int INTR
nuclear@7 22 mov res, ax
nuclear@7 23 }
nuclear@7 24 return res;
nuclear@1 25 }
nuclear@1 26
nuclear@1 27 void show_mouse(int show)
nuclear@1 28 {
nuclear@7 29 uint16_t cmd = show ? SHOW : HIDE;
nuclear@7 30 _asm {
nuclear@7 31 mov ax, cmd
nuclear@7 32 int INTR
nuclear@7 33 }
nuclear@1 34 }
nuclear@1 35
nuclear@1 36 int read_mouse(int *xp, int *yp)
nuclear@1 37 {
nuclear@7 38 uint16_t x, y, state;
nuclear@7 39 _asm {
nuclear@7 40 mov eax, READ
nuclear@7 41 int INTR
nuclear@7 42 mov state, bx
nuclear@7 43 mov x, cx
nuclear@7 44 mov y, dx
nuclear@7 45 }
nuclear@1 46
nuclear@7 47 if(xp) *xp = x;
nuclear@7 48 if(yp) *yp = y;
nuclear@7 49 return state;
nuclear@1 50 }
nuclear@1 51
nuclear@1 52 void set_mouse(int x, int y)
nuclear@1 53 {
nuclear@7 54 _asm {
nuclear@7 55 mov eax, WRITE
nuclear@7 56 mov ecx, x
nuclear@7 57 mov edx, y
nuclear@7 58 int INTR
nuclear@7 59 }
nuclear@1 60 }
nuclear@1 61
nuclear@1 62 void set_mouse_limits(int xmin, int ymin, int xmax, int ymax)
nuclear@1 63 {
nuclear@7 64 _asm {
nuclear@7 65 mov eax, XLIM
nuclear@7 66 mov ecx, xmin
nuclear@7 67 mov edx, xmax
nuclear@7 68 int INTR
nuclear@7 69 mov eax, YLIM
nuclear@7 70 mov ecx, ymin
nuclear@7 71 mov edx, ymax
nuclear@7 72 int INTR
nuclear@7 73 }
nuclear@7 74 }
nuclear@1 75
nuclear@7 76 void set_mouse_rate(int xrate, int yrate)
nuclear@7 77 {
nuclear@7 78 _asm {
nuclear@7 79 mov ax, PIXRATE
nuclear@7 80 mov ecx, xrate
nuclear@7 81 mov edx, yrate
nuclear@7 82 int INTR
nuclear@7 83 }
nuclear@1 84 }
nuclear@7 85
nuclear@7 86 void set_mouse_mode(enum mouse_mode mode)
nuclear@7 87 {
nuclear@7 88 if(mode == MOUSE_GFX) {
nuclear@7 89 set_mouse_rate(1, 1);
nuclear@7 90 } else {
nuclear@7 91 set_mouse_rate(8, 16);
nuclear@7 92 }
nuclear@7 93 }