Browse code

Removed IOR/IOW opcodes

neauoire authored on 27/02/2021 03:46:56
Showing 10 changed files
... ...
@@ -53,11 +53,10 @@ evaluxn(u, u->vframe); /* Each frame
53 53
 ```
54 54
 ( hello world )
55 55
 
56
-:dev/w fff9 ( const write port )
56
+&Console { pad 8 stdio 1 }
57 57
 
58 58
 |0100 @RESET 
59 59
 	
60
-	#00 =dev/w ( set dev/write to console ) 
61 60
 	,text1 ,print-label JSR ( print to console )
62 61
 
63 62
 BRK
... ...
@@ -65,7 +64,7 @@ BRK
65 64
 @print-label ( text )
66 65
 
67 66
 	@cliloop
68
-		DUP2 LDR IOW                             ( write pointer value to console )
67
+		DUP2 LDR =dev/console.stdio              ( write pointer value to console )
69 68
 		#0001 ADD2                               ( increment string pointer )
70 69
 		DUP2 LDR #00 NEQ ,cliloop ROT JMP? POP2  ( while *ptr!=0 goto loop )
71 70
 	POP2
... ...
@@ -77,6 +76,8 @@ RTS
77 76
 |c000 @FRAME
78 77
 |d000 @ERROR 
79 78
 
79
+|FF00 ;dev/console Console
80
+
80 81
 |FFF0 [ f3f0 f30b f30a ] ( palette )
81 82
 |FFFA .RESET .FRAME .ERROR
82 83
 ```
... ...
@@ -113,10 +114,6 @@ A device that works like a NES controller, each button is a bit from a single by
113 114
 - GUI:
114 115
 	- Line routine
115 116
 
116
-### Devices redesign
117
-
118
-- Possibly remove
119
-
120 117
 ### Assembler
121 118
 
122 119
 - Includes
... ...
@@ -44,7 +44,7 @@ Program p;
44 44
 /* clang-format off */
45 45
 
46 46
 char ops[][4] = {
47
-	"BRK", "NOP", "LIT", "---", "IOR", "IOW", "LDR", "STR",
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+	"BRK", "NOP", "LIT", "---", "---", "---", "LDR", "STR",
48 48
 	"JMP", "JSR", "---", "RTS", "AND", "ORA", "ROL", "ROR",
49 49
 	"POP", "DUP", "SWP", "OVR", "ROT", "WSR", "RSW", "---",
50 50
 	"ADD", "SUB", "MUL", "DIV", "EQU", "NEQ", "GTH", "LTH"
... ...
@@ -65,7 +65,7 @@ SDL_Texture *gTexture;
65 65
 Uint32 *pixels;
66 66
 
67 67
 Screen screen;
68
-Device *devconsole, *devscreen, *devmouse, *devkey, *devsprite, *devcontroller;
68
+Device *devconsole, *devscreen, *devmouse, *devkey, *devsprite, *devctrl;
69 69
 
70 70
 #pragma mark - Helpers
71 71
 
... ...
@@ -256,7 +256,7 @@ void
256 256
 domouse(Uxn *u, SDL_Event *event)
257 257
 {
258 258
 	Uint8 flag = 0x00;
259
-	Uint16 addr = 0xff50; /* TODO: get dynamically */
259
+	Uint16 addr = devmouse->addr;
260 260
 	Uint16 x = clamp(event->motion.x / ZOOM - PAD * 8, 0, HOR * 8 - 1);
261 261
 	Uint16 y = clamp(event->motion.y / ZOOM - PAD * 8, 0, VER * 8 - 1);
262 262
 	u->ram.dat[addr + 0] = (x >> 8) & 0xff;
... ...
@@ -283,16 +283,17 @@ domouse(Uxn *u, SDL_Event *event)
283 283
 }
284 284
 
285 285
 void
286
-dotext(SDL_Event *event)
286
+dotext(Uxn *u, SDL_Event *event)
287 287
 {
288 288
 	int i;
289
+	Uint16 addr = devkey->addr;
289 290
 	if(SDL_GetModState() & KMOD_LCTRL || SDL_GetModState() & KMOD_RCTRL)
290 291
 		return;
291 292
 	for(i = 0; i < SDL_TEXTINPUTEVENT_TEXT_SIZE; ++i) {
292 293
 		char c = event->text.text[i];
293 294
 		if(c < ' ' || c > '~')
294 295
 			break;
295
-		devkey->mem[0] = c;
296
+		u->ram.dat[addr] = c;
296 297
 	}
297 298
 }
298 299
 
... ...
@@ -300,8 +301,8 @@ void
300 301
 doctrl(Uxn *u, SDL_Event *event, int z)
301 302
 {
302 303
 	Uint8 flag = 0x00;
303
-	Uint16 addr = 0xff30; /* TODO: get dynamically */
304
-	if(z && event->key.keysym.sym == SDLK_h)
304
+	Uint16 addr = devctrl->addr;
305
+	if(z && event->key.keysym.sym == SDLK_h && SDL_GetModState() & KMOD_LCTRL)
305 306
 		GUIDES = !GUIDES;
306 307
 	if(SDL_GetModState() & KMOD_LCTRL || SDL_GetModState() & KMOD_RCTRL)
307 308
 		flag = 0x01;
... ...
@@ -310,11 +311,11 @@ doctrl(Uxn *u, SDL_Event *event, int z)
310 311
 	switch(event->key.keysym.sym) {
311 312
 	case SDLK_BACKSPACE:
312 313
 		flag = 0x04;
313
-		if(z) devkey->mem[0] = 0x08;
314
+		if(z) u->ram.dat[0xff40] = 0x08;
314 315
 		break;
315 316
 	case SDLK_RETURN:
316 317
 		flag = 0x08;
317
-		if(z) devkey->mem[0] = 0x0d;
318
+		if(z) u->ram.dat[0xff40] = 0x0d;
318 319
 		break;
319 320
 	case SDLK_UP: flag = 0x10; break;
320 321
 	case SDLK_DOWN: flag = 0x20; break;
... ...
@@ -378,44 +379,6 @@ ppnil(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1)
378 379
 	return b1;
379 380
 }
380 381
 
381
-Uint8
382
-defaultrw(Device *d, Memory *m, Uint8 b)
383
-{
384
-	(void)m;
385
-	return d->mem[b];
386
-}
387
-
388
-Uint8
389
-consolew(Device *d, Memory *m, Uint8 b)
390
-{
391
-	if(b)
392
-		printf("%c", b);
393
-	fflush(stdout);
394
-	(void)d;
395
-	(void)m;
396
-	return 0;
397
-}
398
-
399
-Uint8
400
-spritew(Device *d, Memory *m, Uint8 b)
401
-{
402
-	d->mem[d->ptr++] = b;
403
-	if(d->ptr == 7) {
404
-		Uint16 x = (d->mem[2] << 8) + d->mem[3];
405
-		Uint16 y = (d->mem[0] << 8) + d->mem[1];
406
-		Uint16 a = (d->mem[4] << 8) + d->mem[5];
407
-		Uint8 source = d->mem[6] >> 4 & 0xf;
408
-		Uint8 *layer = source % 2 ? screen.fg : screen.bg;
409
-		if(source / 2)
410
-			paintchr(layer, x, y, &m->dat[a]);
411
-		else
412
-			painticn(layer, x, y, &m->dat[a], d->mem[6] & 0xf);
413
-		screen.reqdraw = 1;
414
-		d->ptr = 0;
415
-	}
416
-	return 0;
417
-}
418
-
419 382
 #pragma mark - Generics
420 383
 
421 384
 int
... ...
@@ -432,14 +395,13 @@ start(Uxn *u)
432 395
 		if(tick < ticknext)
433 396
 			SDL_Delay(ticknext - tick);
434 397
 		ticknext = tick + (1000 / FPS);
435
-		devkey->mem[0] = 0x00; /* TODO: cleanup */
436 398
 		while(SDL_PollEvent(&event) != 0) {
437 399
 			switch(event.type) {
438 400
 			case SDL_QUIT: quit(); break;
439 401
 			case SDL_MOUSEBUTTONUP:
440 402
 			case SDL_MOUSEBUTTONDOWN:
441 403
 			case SDL_MOUSEMOTION: domouse(u, &event); break;
442
-			case SDL_TEXTINPUT: dotext(&event); break;
404
+			case SDL_TEXTINPUT: dotext(u, &event); break;
443 405
 			case SDL_KEYDOWN: doctrl(u, &event, 1); break;
444 406
 			case SDL_KEYUP: doctrl(u, &event, 0); break;
445 407
 			case SDL_WINDOWEVENT:
... ...
@@ -468,12 +430,12 @@ main(int argc, char **argv)
468 430
 	if(!init())
469 431
 		return error("Init", "Failed");
470 432
 
471
-	devconsole = portuxn(&u, "console", defaultrw, consolew, ppnil, console_poke);
472
-	devscreen = portuxn(&u, "screen", defaultrw, defaultrw, ppnil, screen_poke);
473
-	devsprite = portuxn(&u, "sprite", defaultrw, spritew, ppnil, sprite_poke);
474
-	devcontroller = portuxn(&u, "controller", defaultrw, defaultrw, ppnil, ppnil);
475
-	devkey = portuxn(&u, "key", defaultrw, consolew, ppnil, ppnil);
476
-	devmouse = portuxn(&u, "mouse", defaultrw, defaultrw, ppnil, ppnil);
433
+	devconsole = portuxn(&u, "console", ppnil, console_poke);
434
+	devscreen = portuxn(&u, "screen", ppnil, screen_poke);
435
+	devsprite = portuxn(&u, "sprite", ppnil, sprite_poke);
436
+	devctrl = portuxn(&u, "controller", ppnil, ppnil);
437
+	devkey = portuxn(&u, "key", ppnil, ppnil);
438
+	devmouse = portuxn(&u, "mouse", ppnil, ppnil);
477 439
 
478 440
 	u.ram.dat[0xff10] = (HOR * 8 >> 8) & 0xff;
479 441
 	u.ram.dat[0xff11] = HOR * 8 & 0xff;
... ...
@@ -1,4 +1,4 @@
1
-( controller )
1
+( dev/ctrl )
2 2
 
3 3
 &Screen     { width 2 height 2 pad 4 y 2 x 2 color 1 }
4 4
 &Sprite     { pad 8 x 2 y 2 addr 2 color 1 }
5 5
new file mode 100644
... ...
@@ -0,0 +1,134 @@
1
+( dev/key )
2
+
3
+&Screen { width 2 height 2 pad 4 y 2 x 2 color 1 }
4
+&Sprite { pad 8 x 2 y 2 addr 2 color 1 }
5
+&Keyboard { key 1 }
6
+
7
+&Point2d { x 2 y 2 }
8
+&Rect2d { x1 2 y1 2 x2 2 y2 2 }
9
+
10
+;pos Point2d
11
+;rect Rect2d
12
+;color 1
13
+;textlen 2
14
+
15
+|0100 @RESET 
16
+
17
+	,redraw JSR
18
+
19
+BRK
20
+
21
+|c000 @FRAME
22
+
23
+	~dev/key #00 EQU ,key-end ROT JMP? POP2
24
+		( is backspace )
25
+		~dev/key #08 NEQ ,no-key-back ROT JMP? POP2
26
+			#00 ,body ~textlen ADD2 STR
27
+			~textlen #0001 SUB2 =textlen
28
+			,key-end JMP
29
+		@no-key-back
30
+
31
+		~textlen #0001 ADD2 =textlen
32
+		~dev/key ,body ~textlen ADD2 STR
33
+		,redraw JSR
34
+		#00 =dev/key ( release key )
35
+	@key-end
36
+
37
+BRK
38
+
39
+@redraw
40
+
41
+	#02 =color
42
+	#0040 #0040 #0090 #0090 ,fill-rect JSR
43
+	#06 =color
44
+	,body #0040 #0040 ,draw-label-multiline JSR
45
+
46
+RTS
47
+
48
+@draw-label-multiline ( text x1 y1 )
49
+	=pos.y =pos.x
50
+	@draw-label-multiline-loop
51
+		( draw ) DUP2 LDR #00 SWP #0008 MUL2 ,font ADD2 =dev/sprite.addr 
52
+		~pos.y =dev/sprite.y
53
+		~pos.x =dev/sprite.x
54
+		~color =dev/sprite.color
55
+		( incr ) #0001 ADD2
56
+		( incr ) ~pos.x #0008 ADD2 =pos.x
57
+
58
+		( detect linebreaks )
59
+		DUP2 LDR #0d NEQ ,no-return ROT JMP? POP2
60
+			#0048 =pos.x
61
+			~pos.y #0008 ADD2 =pos.y
62
+		@no-return
63
+
64
+		DUP2 LDR #00 NEQ ,draw-label-multiline-loop ROT JMP? POP2
65
+	POP2
66
+RTS
67
+
68
+@fill-rect ( x1 y1 x2 y2 )
69
+	=rect.y2 =rect.x2 ( stash x1 y1 ) =rect.y1 DUP2 WSR2 =rect.x1
70
+	@fill-rect-ver
71
+		RSW2 DUP2 =rect.x1 WSR2
72
+		~rect.y1 =dev/screen.y
73
+		@fill-rect-hor
74
+			( draw ) ~rect.x1 =dev/screen.x ~color =dev/screen.color
75
+			( incr ) ~rect.x1 #0001 ADD2 DUP2 =rect.x1  
76
+			~rect.x2 LTH2 ,fill-rect-hor ROT JMP? POP2
77
+		~rect.y1 #0001 ADD2 DUP2 =rect.y1
78
+		~rect.y2 LTH2 ,fill-rect-ver ROT JMP? POP2
79
+	RSW2 POP2
80
+RTS
81
+
82
+@draw-sprite
83
+	=dev/sprite.x
84
+	=dev/sprite.y
85
+	=dev/sprite.addr
86
+	=dev/sprite.color
87
+	RTS
88
+
89
+@font ( spectrum-zx font ) 
90
+[
91
+	0000 0000 0000 0000 0000 2400 7e3c 0000 0000 2400 3c42 0000 0000 6c7c 7c38 1000
92
+	0010 387c 7c38 1000 0038 387c 6c10 3800 0010 387c 7c10 3800 0000 0018 1800 0000
93
+	007e 4242 4242 7e00 0000 1824 2418 0000 0018 2442 4224 1800 001e 063a 4a48 3000
94
+	0038 446c 107c 1000 000c 0808 0838 3800 003e 2222 2266 6600 0000 0822 0022 0800
95
+	0000 1018 1c18 1000 0000 0818 3818 0800 0008 1c00 001c 0800 0028 2828 2800 2800
96
+	003e 4a4a 3a0a 0a00 000c 3046 620c 3000 0000 0000 0000 ffff 0010 3800 3810 0038
97
+	0008 1c2a 0808 0800 0008 0808 2a1c 0800 0000 0804 7e04 0800 0000 1020 7e20 1000
98
+	0000 4040 7e00 0000 0000 0024 6624 0000 0000 1038 7c00 0000 0000 007c 3810 0000
99
+	0000 0000 0000 0000 0008 0808 0800 0800 0014 1400 0000 0000 0024 7e24 247e 2400
100
+	0008 1e28 1c0a 3c08 0042 0408 1020 4200 0030 4832 4c44 3a00 0008 1000 0000 0000
101
+	0004 0808 0808 0400 0010 0808 0808 1000 0000 1408 3e08 1400 0000 0808 3e08 0800
102
+	0000 0000 0008 0810 0000 0000 3c00 0000 0000 0000 0000 0800 0000 0204 0810 2000
103
+	003c 464a 5262 3c00 0018 2808 0808 3e00 003c 4202 3c40 7e00 003c 421c 0242 3c00
104
+	0008 1828 487e 0800 007e 407c 0242 3c00 003c 407c 4242 3c00 007e 0204 0810 1000
105
+	003c 423c 4242 3c00 003c 4242 3e02 3c00 0000 0008 0000 0800 0000 0800 0008 0810
106
+	0000 0810 2010 0800 0000 003e 003e 0000 0000 1008 0408 1000 003c 4202 0c00 0800
107
+	003c 425a 5442 3c00 0018 2442 7e42 4200 007c 427c 4242 7c00 003c 4240 4042 3c00
108
+	0078 4442 4244 7800 007e 407c 4040 7e00 003e 4040 7c40 4000 003c 4240 4e42 3c00
109
+	0042 427e 4242 4200 003e 0808 0808 3e00 0002 0202 4242 3c00 0044 4870 4844 4200
110
+	0040 4040 4040 7e00 0042 665a 4242 4200 0042 6252 4a46 4200 003c 4242 4242 3c00
111
+	007c 4242 7c40 4000 003c 4242 524a 3c00 007c 4242 7c44 4200 003c 403c 0242 3c00
112
+	00fe 1010 1010 1000 0042 4242 4242 3c00 0042 4242 4224 1800 0042 4242 5a66 4200
113
+	0042 2418 1824 4200 0082 4428 1010 1000 007e 0408 1020 7e00 000c 0808 0808 0c00
114
+	0040 2010 0804 0200 0018 0808 0808 1800 0008 1422 0000 0000 0000 0000 0000 7e00
115
+	0008 0400 0000 0000 0000 1c02 1e22 1e00 0020 203c 2222 3c00 0000 1e20 2020 1e00
116
+	0002 021e 2222 1e00 0000 1c22 3c20 1e00 000c 101c 1010 1000 0000 1c22 221e 021c
117
+	0020 202c 3222 2200 0008 0018 0808 0400 0008 0008 0808 4830 0020 2428 3028 2400
118
+	0010 1010 1010 0c00 0000 6854 5454 5400 0000 5864 4444 4400 0000 3844 4444 3800
119
+	0000 7844 4478 4040 0000 3c44 443c 0406 0000 2c30 2020 2000 0000 3840 3804 7800
120
+	0010 103c 1010 0c00 0000 4444 4444 3800 0000 4444 2828 1000 0000 4454 5454 2800
121
+	0000 4428 1028 4400 0000 4444 443c 0438 0000 7c08 1020 7c00 000c 0810 1008 0c00
122
+	0008 0808 0808 0800 0030 1008 0810 3000 0000 0032 4c00 0000 3c42 99a1 a199 423c
123
+]
124
+
125
+@body          [  ]
126
+
127
+|d000 @ERROR BRK 
128
+
129
+|FF10 ;dev/screen Screen
130
+|FF20 ;dev/sprite Sprite
131
+|FF40 ;dev/key    Keyboard
132
+
133
+|FFF0 [ f0ff f00f f00f ] ( palette )
134
+|FFFA .RESET .FRAME .ERROR
... ...
@@ -1,4 +1,4 @@
1
-( mouse )
1
+( dev/mouse )
2 2
 
3 3
 &Screen { width 2 height 2 pad 4 y 2 x 2 color 1 }
4 4
 &Sprite { pad 8 x 2 y 2 addr 2 color 1 }
... ...
@@ -1,4 +1,4 @@
1
-( screen )
1
+( dev/screen )
2 2
 
3 3
 &Screen { width 2 height 2 pad 4 x 2 y 2 color 1 }
4 4
 
5 5
deleted file mode 100644
... ...
@@ -1,233 +0,0 @@
1
-( mouse )
2
-
3
-:dev/r fff8 ( std read port )
4
-:dev/w fff9 ( std write port )
5
-
6
-&Point2d { x 2 y 2 }
7
-&Window2d { x1 2 y1 2 x2 2 y2 2 }
8
-
9
-;pos Point2d
10
-;mouse Point2d
11
-;scenter Point2d
12
-;win Window2d
13
-
14
-( drawing ) ;color 1 ;x1 2 ;x2 2 ;y1 2 ;y2 2 ;i 2
15
-;state 1 ;textlen 2
16
-
17
-|0100 @RESET 
18
-
19
-	#01 =dev/r ( read screen for size )
20
-	#02 =dev/w ( write to screen )
21
-
22
-	#08 =color
23
-	,paint-pattern JSR
24
-
25
-	#01 =dev/w ( write to screen )
26
-
27
-	#00 IOR2 #0002 DIV2 =scenter.x
28
-	#02 IOR2 #0002 DIV2 =scenter.y
29
-
30
-	~scenter.x #0050 SUB2 
31
-	~scenter.y #0030 SUB2 
32
-	~scenter.x #0050 ADD2 
33
-	~scenter.y #0030 ADD2 ,paint-window JSR
34
-
35
-	#05 =dev/r ( set dev/read mouse )
36
-	#02 =dev/w ( set dev/write to sprite ) 
37
-
38
-	#09 =color
39
-
40
-BRK
41
-
42
-|c000 @FRAME
43
-
44
-	( clear last cursor )
45
-	#10 ,clear_icn ~mouse.x ~mouse.y ,draw-sprite JSR
46
-	( record mouse positions )
47
-	#05 =dev/r ( set dev/read mouse )
48
-	#00 IOR2 =mouse.x 
49
-	#02 IOR2 =mouse.y
50
-	#11 =state
51
-
52
-	#04 IOR #01 NEQ ,no-touch ROT JMP? POP2
53
-		#13 =state
54
-	@no-touch
55
-
56
-	( clear window )
57
-
58
-	#04 =dev/r ( set dev/read mouse )
59
-	#00 IOR #00 EQU ,key-end ROT JMP? POP2
60
-
61
-		( is backspace )
62
-		#00 IOR #08 NEQ ,no-key-back ROT JMP? POP2
63
-			#00 ,body ~textlen ADD2 STR
64
-			~textlen #0001 SUB2 =textlen
65
-			,redraw-body-label JSR
66
-			,key-end JMP
67
-		@no-key-back
68
-
69
-		~textlen #0001 ADD2 =textlen
70
-		#00 IOR ,body ~textlen ADD2 STR
71
-		,redraw-body-label JSR
72
-	@key-end
73
-
74
-	( draw mouse )
75
-	~state ,cursor_icn ~mouse.x ~mouse.y ,draw-sprite JSR
76
-
77
-BRK
78
-
79
-@redraw-body-label
80
-
81
-	#02 =color
82
-	#01 =dev/w ( write to screen )
83
-	~win.x1 #0004 ADD2 ~win.y1 #0004 ADD2 ~win.x2 #0010 SUB2 ~win.y2 #0010 SUB2 ,fill-rect JSR
84
-	#02 =dev/w ( write to sprite )
85
-	#06 =color
86
-	,body ~win.x1 #0018 ADD2 ~scenter.y ,draw-label JSR
87
-
88
-RTS
89
-
90
-@paint-pattern ( nil )
91
-
92
-	#01 =dev/r ( read screen for size )
93
-	#02 =dev/w ( write to sprite )
94
-
95
-	#0000 
96
-	@paint-pattern-loop-hor
97
-	#0000
98
-	@paint-pattern-loop
99
-		( draw ) OVR2 IOW2 DUP2 IOW2 ,pattern IOW2 ~color IOW
100
-		( incr ) #0008 ADD2 DUP2
101
-		#00 IOR2 LTH2 ,paint-pattern-loop ROT JMP? POP2
102
-		POP2
103
-	( incr ) #0008 ADD2 DUP2
104
-	#02 IOR2 LTH2 ,paint-pattern-loop-hor ROT JMP? POP2
105
-	POP2
106
-
107
-RTS
108
-
109
-@paint-window ( name wx1 wy1 wx2 wy2 )
110
-
111
-	=win.y2 =win.x2 =win.y1 =win.x1
112
-
113
-	( Draw shadow )
114
-	#01 =color
115
-	~win.x2 ~win.y1 #0003 ADD2 ~win.x2 #0003 ADD2 ~win.y2 #0003 ADD2 ,fill-rect JSR
116
-	~win.x1 #0003 ADD2 ~win.y2 ~win.x2 #0003 ADD2 ~win.y2 #0003 ADD2 ,fill-rect JSR
117
-	( Fill background )
118
-	#02 =color
119
-	~win.x1 ~win.y1 ~win.x2 ~win.y2 ,fill-rect JSR
120
-	( draw outline )
121
-	#01 =color
122
-	~win.x1 ~win.y1 ~win.x2 ~win.y2 ,line-rect JSR
123
-	#01 =color
124
-	~win.x1 #0002 ADD2 ~win.y1 #0002 ADD2 ~win.x2 #0002 SUB2 ~win.y2 #0002 SUB2 ,line-rect JSR
125
-
126
-RTS
127
-
128
-@draw-label ( text x1 y1 )
129
-
130
-	=pos.y =pos.x
131
-	@draw-label-loop
132
-
133
-		( draw ) ~pos.x ~pos.y IOW2 IOW2 DUP2 LDR #00 SWP #0008 MUL2 ,font ADD2 IOW2 ~color IOW
134
-		( incr ) #0001 ADD2
135
-		( incr ) ~pos.x #0008 ADD2 =pos.x
136
-
137
-		( detect linebreaks )
138
-		DUP2 LDR #0d NEQ ,no-return ROT JMP? POP2
139
-			#0048 =pos.x
140
-		( incr ) ~pos.y #0008 ADD2 =pos.y
141
-		@no-return
142
-
143
-		DUP2 LDR #00 NEQ ,draw-label-loop ROT JMP? POP2
144
-	POP2
145
-
146
-RTS
147
-
148
-@fill-rect ( x1 y1 x2 y2 )
149
-	=y2 =x2 ( stash x1 y1 ) =y1 DUP2 WSR2 =x1
150
-	@fill-rect-ver
151
-		RSW2 DUP2 =x1 WSR2
152
-		@fill-rect-hor
153
-			( draw ) ~x1 ~y1 IOW2 IOW2 ~color IOW
154
-			( incr ) ~x1 #0001 ADD2 DUP2 =x1  
155
-			~x2 LTH2 ,fill-rect-hor ROT JMP? POP2
156
-		~y1 #0001 ADD2 DUP2 =y1
157
-		~y2 LTH2 ,fill-rect-ver ROT JMP? POP2
158
-	RSW2 POP2
159
-RTS
160
-
161
-@line-rect ( x1 y1 x2 y2 )
162
-	=y2 =x2 ( stash x1 y1 ) DUP2 WSR2 =y1 DUP2 WSR2 =x1
163
-	@line-rect-hor
164
-		( draw ) ~x1 ~y1 IOW2 IOW2 ~color IOW
165
-		( draw ) ~x1 ~y2 IOW2 IOW2 ~color IOW
166
-		( incr ) ~x1 #0001 ADD2 DUP2 =x1  
167
-		~x2 #0001 ADD2 LTH2 ,line-rect-hor ROT JMP? POP2
168
-	( restore x1 y1 ) RSW2 =x1 RSW2 =y1
169
-	@line-rect-ver
170
-		( incr ) ~y1 #0001 ADD2 DUP2 =y1  
171
-		( draw ) ~x1 ~y1 IOW2 IOW2 ~color IOW
172
-		( draw ) ~x2 ~y1 IOW2 IOW2 ~color IOW
173
-		~y2 #0001 SUB2 LTH2 ,line-rect-ver ROT JMP? POP2
174
-RTS
175
-
176
-@draw-sprite
177
-	IOW2 ( y byte )
178
-	IOW2 ( x byte )
179
-	IOW2 ( sprite address )
180
-	IOW ( layer-color )
181
-	RTS
182
-
183
-@pattern     [ 4281 1824 2418 8142 ]
184
-
185
-@clear_icn   [ 0000 0000 0000 0000 ]
186
-@cursor_icn  [ 80c0 e0f0 f8e0 1000 ]
187
-
188
-@mouse0_icn  [ 7c82 92ee 8282 4438 ]
189
-@mouse1_icn  [ 7cf2 f2ee 8282 4438 ]
190
-@mouse2_icn  [ 7c9e 9eee 8282 4438 ]
191
-@mouse12_icn [ 7cfe feee 8282 4438 ]
192
-
193
-@font ( spectrum-zx font ) 
194
-[
195
-	0000 0000 0000 0000 0000 2400 7e3c 0000 0000 2400 3c42 0000 0000 6c7c 7c38 1000
196
-	0010 387c 7c38 1000 0038 387c 6c10 3800 0010 387c 7c10 3800 0000 0018 1800 0000
197
-	007e 4242 4242 7e00 0000 1824 2418 0000 0018 2442 4224 1800 001e 063a 4a48 3000
198
-	0038 446c 107c 1000 000c 0808 0838 3800 003e 2222 2266 6600 0000 0822 0022 0800
199
-	0000 1018 1c18 1000 0000 0818 3818 0800 0008 1c00 001c 0800 0028 2828 2800 2800
200
-	003e 4a4a 3a0a 0a00 000c 3046 620c 3000 0000 0000 0000 ffff 0010 3800 3810 0038
201
-	0008 1c2a 0808 0800 0008 0808 2a1c 0800 0000 0804 7e04 0800 0000 1020 7e20 1000
202
-	0000 4040 7e00 0000 0000 0024 6624 0000 0000 1038 7c00 0000 0000 007c 3810 0000
203
-	0000 0000 0000 0000 0008 0808 0800 0800 0014 1400 0000 0000 0024 7e24 247e 2400
204
-	0008 1e28 1c0a 3c08 0042 0408 1020 4200 0030 4832 4c44 3a00 0008 1000 0000 0000
205
-	0004 0808 0808 0400 0010 0808 0808 1000 0000 1408 3e08 1400 0000 0808 3e08 0800
206
-	0000 0000 0008 0810 0000 0000 3c00 0000 0000 0000 0000 0800 0000 0204 0810 2000
207
-	003c 464a 5262 3c00 0018 2808 0808 3e00 003c 4202 3c40 7e00 003c 421c 0242 3c00
208
-	0008 1828 487e 0800 007e 407c 0242 3c00 003c 407c 4242 3c00 007e 0204 0810 1000
209
-	003c 423c 4242 3c00 003c 4242 3e02 3c00 0000 0008 0000 0800 0000 0800 0008 0810
210
-	0000 0810 2010 0800 0000 003e 003e 0000 0000 1008 0408 1000 003c 4202 0c00 0800
211
-	003c 425a 5442 3c00 0018 2442 7e42 4200 007c 427c 4242 7c00 003c 4240 4042 3c00
212
-	0078 4442 4244 7800 007e 407c 4040 7e00 003e 4040 7c40 4000 003c 4240 4e42 3c00
213
-	0042 427e 4242 4200 003e 0808 0808 3e00 0002 0202 4242 3c00 0044 4870 4844 4200
214
-	0040 4040 4040 7e00 0042 665a 4242 4200 0042 6252 4a46 4200 003c 4242 4242 3c00
215
-	007c 4242 7c40 4000 003c 4242 524a 3c00 007c 4242 7c44 4200 003c 403c 0242 3c00
216
-	00fe 1010 1010 1000 0042 4242 4242 3c00 0042 4242 4224 1800 0042 4242 5a66 4200
217
-	0042 2418 1824 4200 0082 4428 1010 1000 007e 0408 1020 7e00 000c 0808 0808 0c00
218
-	0040 2010 0804 0200 0018 0808 0808 1800 0008 1422 0000 0000 0000 0000 0000 7e00
219
-	0008 0400 0000 0000 0000 1c02 1e22 1e00 0020 203c 2222 3c00 0000 1e20 2020 1e00
220
-	0002 021e 2222 1e00 0000 1c22 3c20 1e00 000c 101c 1010 1000 0000 1c22 221e 021c
221
-	0020 202c 3222 2200 0008 0018 0808 0400 0008 0008 0808 4830 0020 2428 3028 2400
222
-	0010 1010 1010 0c00 0000 6854 5454 5400 0000 5864 4444 4400 0000 3844 4444 3800
223
-	0000 7844 4478 4040 0000 3c44 443c 0406 0000 2c30 2020 2000 0000 3840 3804 7800
224
-	0010 103c 1010 0c00 0000 4444 4444 3800 0000 4444 2828 1000 0000 4454 5454 2800
225
-	0000 4428 1028 4400 0000 4444 443c 0438 0000 7c08 1020 7c00 000c 0810 1008 0c00
226
-	0008 0808 0808 0800 0030 1008 0810 3000 0000 0032 4c00 0000 3c42 99a1 a199 423c
227
-]
228
-
229
-@body          [  ]
230
-
231
-|d000 @ERROR BRK 
232
-|FFF0 [ f0ff f00f f00f ] ( palette )
233
-|FFFA .RESET .FRAME .ERROR
... ...
@@ -34,8 +34,6 @@ Uint16 peek16(Stack *s, Uint8 a) { return peek8(s, a * 2) + (peek8(s, a * 2 + 1)
34 34
 void op_brk(Uxn *u) { setflag(&u->status, FLAG_HALT, 1); }
35 35
 void op_lit(Uxn *u) { u->literal += 1; }
36 36
 void op_nop(Uxn *u) { printf("0x%02x \n", pop8(&u->wst)); fflush(stdout); }
37
-void op_ior(Uxn *u) { Device *dev = &u->dev[mempeek8(u, u->devr)]; if(dev) push8(&u->wst, dev->read(dev, &u->ram, pop8(&u->wst))); }
38
-void op_iow(Uxn *u) { Uint8 a = pop8(&u->wst); Device *dev = &u->dev[mempeek8(u, u->devw)]; if(dev) dev->write(dev, &u->ram, a); }
39 37
 void op_ldr(Uxn *u) { Uint16 a = pop16(&u->wst); push8(&u->wst, mempeek8(u, a)); }
40 38
 void op_str(Uxn *u) { Uint16 a = pop16(&u->wst); Uint8 b = pop8(&u->wst); mempoke8(u, a, b); }
41 39
 /* Logic */
... ...
@@ -66,8 +64,6 @@ void op_lth(Uxn *u) { Uint8 a = pop8(&u->wst), b = pop8(&u->wst); push8(&u->wst,
66 64
 /* --- */
67 65
 void op_lit16(Uxn *u) { u->literal += 2; }
68 66
 void op_nop16(Uxn *u) { printf("%04x\n", pop16(&u->wst)); }
69
-void op_ior16(Uxn *u) { Uint8 a = pop8(&u->wst); Device *dev = &u->dev[mempeek8(u, u->devr)]; if(dev) push16(&u->wst, (dev->read(dev, &u->ram, a) << 8) + dev->read(dev, &u->ram, a + 1)); }
70
-void op_iow16(Uxn *u) { Uint8 a = pop8(&u->wst); Uint8 b = pop8(&u->wst); Device *dev = &u->dev[mempeek8(u, u->devw)]; if(dev) { dev->write(dev, &u->ram, b); dev->write(dev, &u->ram, a); } }
71 67
 void op_ldr16(Uxn *u) { Uint16 a = pop16(&u->wst); push16(&u->wst, mempeek16(u, a)); }
72 68
 void op_str16(Uxn *u) { Uint16 a = pop16(&u->wst); Uint16 b = pop16(&u->wst); mempoke16(u, a, b); }
73 69
 void op_and16(Uxn *u) { Uint16 a = pop16(&u->wst), b = pop16(&u->wst); push16(&u->wst, b & a); }
... ...
@@ -93,12 +89,12 @@ void op_gth16(Uxn *u) { Uint16 a = pop16(&u->wst), b = pop16(&u->wst); push8(&u-
93 89
 void op_lth16(Uxn *u) { Uint16 a = pop16(&u->wst), b = pop16(&u->wst); push8(&u->wst, getflag(&u->status, FLAG_SIGN) ? (Sint16)b < (Sint16)a : b < a); }
94 90
 
95 91
 void (*ops[])(Uxn *u) = {
96
-	op_brk, op_nop, op_lit, op_nop, op_ior, op_iow, op_ldr, op_str, 
92
+	op_brk, op_nop, op_lit, op_nop, op_nop, op_nop, op_ldr, op_str, 
97 93
 	op_jmp, op_jsr, op_nop, op_rts, op_and, op_ora, op_rol, op_ror, 
98 94
 	op_pop, op_dup, op_swp, op_ovr, op_rot, op_wsr, op_rsw, op_nop,
99 95
 	op_add, op_sub, op_mul, op_div, op_equ, op_neq, op_gth, op_lth,
100 96
 	/* 16-bit */
101
-	op_brk,   op_nop16, op_lit16, op_nop,   op_ior16, op_iow16, op_ldr16, op_str16, 
97
+	op_brk,   op_nop16, op_lit16, op_nop,   op_nop,   op_nop,   op_ldr16, op_str16, 
102 98
 	op_jmp,   op_jsr,   op_nop,   op_rts,   op_and16, op_ora16, op_rol16, op_ror16, 
103 99
 	op_pop16, op_dup16, op_swp16, op_ovr16, op_rot16, op_wsr16, op_rsw16, op_nop,
104 100
 	op_add16, op_sub16, op_mul16, op_div16, op_equ16, op_neq16, op_gth16, op_lth16
... ...
@@ -211,14 +207,12 @@ loaduxn(Uxn *u, char *filepath)
211 207
 }
212 208
 
213 209
 Device *
214
-portuxn(Uxn *u, char *name, Uint8 (*rfn)(Device *, Memory *, Uint8), Uint8 (*wfn)(Device *, Memory *, Uint8), Uint8 (*pefn)(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1), Uint8 (*pofn)(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1))
210
+portuxn(Uxn *u, char *name, Uint8 (*pefn)(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1), Uint8 (*pofn)(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1))
215 211
 {
216 212
 	Device *d = &u->dev[u->devices++];
217
-	d->read = rfn;
218
-	d->write = wfn;
213
+	d->addr = 0xff00 + (u->devices - 1) * 0x10;
219 214
 	d->peek = pefn;
220 215
 	d->poke = pofn;
221
-	d->ptr = 0;
222
-	printf("Device #%d: %s \n", u->devices - 1, name);
216
+	printf("Device #%d: %s, at 0x%04x \n", u->devices - 1, name, d->addr);
223 217
 	return d;
224 218
 }
... ...
@@ -32,9 +32,7 @@ typedef struct {
32 32
 } Memory;
33 33
 
34 34
 typedef struct Device {
35
-	Uint8 ptr, mem[8];
36
-	Uint8 (*read)(struct Device *, Memory *, Uint8);
37
-	Uint8 (*write)(struct Device *, Memory *, Uint8);
35
+	Uint16 addr;
38 36
 	Uint8 (*peek)(Uint8 *, Uint16, Uint8, Uint8);
39 37
 	Uint8 (*poke)(Uint8 *, Uint16, Uint8, Uint8);
40 38
 } Device;
... ...
@@ -44,7 +42,7 @@ typedef struct {
44 42
 	Uint16 counter, devr, devw, vreset, vframe, verror;
45 43
 	Stack wst, rst;
46 44
 	Memory ram;
47
-	Device dev[256];
45
+	Device dev[8];
48 46
 } Uxn;
49 47
 
50 48
 void setflag(Uint8 *status, char flag, int b);
... ...
@@ -52,4 +50,4 @@ int getflag(Uint8 *status, char flag);
52 50
 int loaduxn(Uxn *c, char *filepath);
53 51
 int bootuxn(Uxn *c);
54 52
 int evaluxn(Uxn *u, Uint16 vec);
55
-Device *portuxn(Uxn *u, char *name, Uint8 (*rfn)(Device *, Memory *, Uint8), Uint8 (*wfn)(Device *, Memory *, Uint8), Uint8 (*pefn)(Uint8 *, Uint16, Uint8, Uint8), Uint8 (*pofn)(Uint8 *, Uint16, Uint8, Uint8));
53
+Device *portuxn(Uxn *u, char *name, Uint8 (*pefn)(Uint8 *, Uint16, Uint8, Uint8), Uint8 (*pofn)(Uint8 *, Uint16, Uint8, Uint8));