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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -96,5 +96,5 @@ void keyb_poll(void) | |
| } | ||
| } | ||
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| cia1.pra = 0xff; | ||
| cia1.pra = ciaa_pra_def; | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| #include "mouse.h" | ||
| #include "sid.h" | ||
| #include "cia.h" | ||
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| sbyte mouse_dx, mouse_dy; | ||
| bool mouse_lb, mouse_rb; | ||
| static char mouse_px, mouse_py; | ||
| static char mouse_port; | ||
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| inline signed char dpos(char * old, char new) | ||
| { | ||
| new = (new & 0x7f) >> 1; | ||
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| char diff = (new - *old) & 0x3f; | ||
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| if (diff >= 0x20) | ||
| { | ||
| *old = new; | ||
| return diff | 0xe0; | ||
| } | ||
| else if (diff) | ||
| { | ||
| *old = new; | ||
| return diff; | ||
| } | ||
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| return 0; | ||
| } | ||
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| void mouse_poll(void) | ||
| { | ||
| char b = ((volatile char *)0xdc00)[mouse_port]; | ||
| mouse_rb = (b & 0x01) == 0; | ||
| mouse_lb = (b & 0x10) == 0; | ||
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| char x = sid.potx, y = sid.poty; | ||
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| mouse_dx = dpos(&mouse_px, x); | ||
| mouse_dy = dpos(&mouse_py, y); | ||
| } | ||
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| void mouse_arm(char n) | ||
| { | ||
| mouse_port = n; | ||
| cia1.pra = ciaa_pra_def = n ? 0x7f : 0xbf; | ||
| } | ||
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| void mouse_init(void) | ||
| { | ||
| mouse_arm(1); | ||
| mouse_poll(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| #ifndef C64_MOUSE_H | ||
| #define C64_MOUSE_H | ||
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| #include "types.h" | ||
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| extern sbyte mouse_dx, mouse_dy; | ||
| extern bool mouse_lb, mouse_rb; | ||
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| void mouse_init(void); | ||
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| // arm the potentiometer input for the selected mouse input | ||
| // needs ~4ms to stabilize | ||
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| void mouse_arm(char n); | ||
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| // poll mouse input for selected mouse, but the relative | ||
| // movement into mouse_dx/dy and the button state into | ||
| // mouse_lb/mouse_rb | ||
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| void mouse_poll(void); | ||
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| #pragma compile("mouse.c") | ||
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| #endif | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| call ..\..\bin\oscar64 floodfill.c -n | ||
| call ..\..\bin\oscar64 polygon.c -n | ||
| call ..\..\bin\oscar64 func3d.c -n | ||
| call ..\..\bin\oscar64 paint.c -n |
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