d6
/
uxn
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Started implementing dev/system

This commit is contained in:
neauoire 2021-02-28 11:17:32 -08:00
parent c79118bd90
commit 2ea562948d
14 changed files with 88 additions and 58 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
README.md
View File

@ -78,8 +78,8 @@ RTS
|FF00 ;dev/console Console
|FFF0 [ f3f0 f30b f30a ] ( palette )
|FFFA .RESET .FRAME .ERROR
|FFF0 .RESET .FRAME .ERROR
|FFF8 [ f3f0 f30b f30a ] ( palette )
```
## Emulator

18
assembler.c
View File

@ -295,11 +295,15 @@ pass1(FILE *f)
addr += 1;
else {
switch(w[0]) {
case '|': addr = shex(w + 1); break;
case '|':
if(shex(w + 1) < addr)
return error("Memory Overlap", w);
addr = shex(w + 1);
break;
case '<': addr -= shex(w + 1); break;
case '>': addr += shex(w + 1); break;
case '=': addr += 4; break; /* STR helper */
case '~': addr += 4; break; /* LDR helper */
case '=': addr += 4; break; /* STR helper (lit addr-hb addr-lb str) */
case '~': addr += 4; break; /* LDR helper (lit addr-hb addr-lb ldr) */
case ',': addr += 3; break;
case '.': addr += (slen(w + 1) == 2 ? 1 : 2); break;
case '+': /* signed positive */
@ -345,12 +349,12 @@ pass2(FILE *f)
else if(w[0] == '+' && sihx(w + 1) && slen(w + 1) == 4) pushshort((Sint16)shex(w + 1), 1);
else if(w[0] == '-' && sihx(w + 1) && slen(w + 1) == 2) pushbyte((Sint8)(shex(w + 1) * -1), 1);
else if(w[0] == '-' && sihx(w + 1) && slen(w + 1) == 4) pushshort((Sint16)(shex(w + 1) * -1), 1);
else if(w[0] == '=' && (l = findlabel(w + 1)) && l->len){ pushshort(findlabeladdr(w+1), 1); pushbyte(findopcode(findlabellen(w+1) == 2? "STR2" : "STR"), 0); }
else if(w[0] == '=' && (l = findlabel(w + 1)) && l->len){ pushshort(findlabeladdr(w+1), 1); pushbyte(findopcode(findlabellen(w+1) == 2 ? "STR2" : "STR"), 0); }
else if(w[0] == '~' && (l = findlabel(w + 1)) && l->len){ pushshort(findlabeladdr(w+1), 1); pushbyte(findopcode(findlabellen(w+1) == 2 ? "LDR2" : "LDR"), 0); }
else if(w[0] == '=' && sihx(w + 1)) { pushshort(shex(w + 1), 1); pushbyte(findopcode("STR2"), 0); }
else if(w[0] == '~' && sihx(w + 1)) { pushshort(shex(w + 1), 1); pushbyte(findopcode("LDR2"), 0); }
else if((l = findlabel(w + 1))) pushshort(findlabeladdr(w+1), w[0] == ',');
else {
return error("Unknown label in second pass", w);
}
else return error("Unknown label in second pass", w);
/* clang-format on */
}
return 1;

2
build.sh
View File

@ -20,5 +20,5 @@ cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werr
# cc uxn.c emulator.c -std=c89 -Os -DNDEBUG -g0 -s -Wall -Wno-unknown-pragmas -L/usr/local/lib -lSDL2 -o bin/emulator
# run
./bin/assembler examples/dev.ctrl.usm bin/boot.rom
./bin/assembler examples/dev.mouse.usm bin/boot.rom
./bin/emulator bin/boot.rom

23
emulator.c
View File

@ -65,7 +65,7 @@ SDL_Texture *gTexture;
Uint32 *pixels;
Screen screen;
Device *devconsole, *devscreen, *devmouse, *devkey, *devsprite, *devctrl;
Device *devconsole, *devscreen, *devmouse, *devkey, *devsprite, *devctrl, *devsystem;
#pragma mark - Helpers
@ -368,6 +368,13 @@ sprite_poke(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1)
return b1;
}
Uint8
system_poke(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1)
{
printf("system_poke\n");
return b1;
}
Uint8
ppnil(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1)
{
@ -384,7 +391,7 @@ start(Uxn *u)
{
int ticknext = 0;
evaluxn(u, u->vreset);
loadtheme(u->ram.dat + 0xfff0);
loadtheme(u->ram.dat + 0xfff8);
if(screen.reqdraw)
redraw(pixels, u);
while(1) {
@ -435,10 +442,14 @@ main(int argc, char **argv)
devkey = portuxn(&u, "key", ppnil, ppnil);
devmouse = portuxn(&u, "mouse", ppnil, ppnil);
u.ram.dat[0xff10] = (HOR * 8 >> 8) & 0xff;
u.ram.dat[0xff11] = HOR * 8 & 0xff;
u.ram.dat[0xff12] = (VER * 8 >> 8) & 0xff;
u.ram.dat[0xff13] = VER * 8 & 0xff;
u.devices = 7;
devsystem = portuxn(&u, "system", ppnil, system_poke);
/* Write screen size to dev/screen */
u.ram.dat[devscreen->addr + 0] = (HOR * 8 >> 8) & 0xff;
u.ram.dat[devscreen->addr + 1] = HOR * 8 & 0xff;
u.ram.dat[devscreen->addr + 2] = (VER * 8 >> 8) & 0xff;
u.ram.dat[devscreen->addr + 3] = VER * 8 & 0xff;
start(&u);
quit();

4
examples/dev.console.usm
View File

@ -25,5 +25,5 @@ RTS
|FF00 ;dev/console Console
|FFF0 [ f3f0 f30b f30a ] ( palette )
|FFFA .RESET .FRAME .ERROR
|FFF0 .RESET .FRAME .ERROR
|FFF8 [ f3f0 f30b f30a ] ( palette )

4
examples/dev.ctrl.usm
View File

@ -75,5 +75,5 @@ RTS
|FF20 ;dev/sprite Sprite
|FF30 ;dev/ctrl Controller
|FFF0 [ 0daf 02ff 035f ] ( palette )
|FFFA .RESET .FRAME .ERROR
|FFF0 .RESET .FRAME .ERROR
|FFF8 [ 0daf 02ff 035f ] ( palette )

4
examples/dev.key.usm
View File

@ -130,5 +130,5 @@ RTS
|FF20 ;dev/sprite Sprite
|FF40 ;dev/key Keyboard
|FFF0 [ f0ff f00f f00f ] ( palette )
|FFFA .RESET .FRAME .ERROR
|FFF0 .RESET .FRAME .ERROR
|FFF8 [ f0ff f00f f00f ] ( palette )

61
examples/dev.mouse.usm
View File

@ -4,8 +4,10 @@
&Sprite { pad 8 x 2 y 2 addr 2 color 1 }
&Mouse { x 2 y 2 state 1 chord 1 }
&Label2d { x 2 y 2 color 1 addr 2 }
&Point2d { x 2 y 2 }
;label Label2d
;cat Point2d
;mouse Point2d
;pos Point2d
@ -23,42 +25,37 @@
BRK
|c000 @FRAME
|0200 @FRAME
( clear last cursor )
#10 ,clear_icn ~mouse.x ~mouse.y ,draw-sprite JSR
( record mouse positions )
~dev/mouse.x =mouse.x ~dev/mouse.y =mouse.y
,draw-cursor JSR
( reset timer -> move cat tail )
~dev/mouse.state #01 NEQ ,no-click ROT JMP? POP2
,no-click ~dev/mouse.state #00 EQU JMP? POP2
#50 =timer
@no-click
( detect click )
~dev/mouse.state #11 NEQ ,no-click12 ROT JMP? POP2
,mouse12_text #0058 #0040 ,draw-label JSR
,no-click12 ~dev/mouse.state #11 NEQ JMP? POP2
#0058 #0040 #01 ,mouse12_text ,draw-label JSR
#10 ,cursor_icn ~mouse.x ~mouse.y ,draw-sprite JSR
~color ,mouse12_icn #0048 #0040 ,draw-sprite JSR
,end-click JMP
@no-click12
~dev/mouse.state #01 NEQ ,no-click1 ROT JMP? POP2
,mouse1_text #0058 #0040 ,draw-label JSR
,no-click1 ~dev/mouse.state #01 NEQ JMP? POP2
#0058 #0040 #01 ,mouse1_text ,draw-label JSR
#12 ,cursor_icn ~mouse.x ~mouse.y ,draw-sprite JSR
~color ,mouse1_icn #0048 #0040 ,draw-sprite JSR
,end-click JMP
@no-click1
~dev/mouse.state #10 NEQ ,no-click2 ROT JMP? POP2
,mouse2_text #0058 #0040 ,draw-label JSR
,no-click2 ~dev/mouse.state #10 NEQ JMP? POP2
#0058 #0040 #01 ,mouse2_text ,draw-label JSR
#13 ,cursor_icn ~mouse.x ~mouse.y ,draw-sprite JSR
~color ,mouse2_icn #0048 #0040 ,draw-sprite JSR
,end-click JMP
@no-click2
( default )
,mouse0_text #0058 #0040 ,draw-label JSR
#0058 #0040 #01 ,mouse0_text ,draw-label JSR
~color ,mouse0_icn #0048 #0040 ,draw-sprite JSR
#11 ,cursor_icn ~mouse.x ~mouse.y ,draw-sprite JSR
@end-click
( animate )
,animate-polycat JSR
( update last pos )
@ -66,6 +63,21 @@ BRK
BRK
@draw-cursor
~mouse.x ~dev/mouse.x NEQU2
~mouse.y ~dev/mouse.y NEQU2
#0000 EQU2 RTS? ( Return if unchanged )
( clear last cursor )
#10 ,clear_icn ~mouse.x ~mouse.y ,draw-sprite JSR
( record mouse positions )
~dev/mouse.x =mouse.x ~dev/mouse.y =mouse.y
#11 ,cursor_icn ~mouse.x ~mouse.y ,draw-sprite JSR
RTS
@draw-polycat
( ears )
@ -117,14 +129,16 @@ RTS
RTS
@draw-label ( text x1 y1 )
=pos.y =pos.x
@draw-label ( x y color addr )
( load ) =label.addr =label.color =dev/sprite.y =dev/sprite.x ~label.addr
@draw-label-loop
( draw ) ~pos.x ~pos.y =dev/sprite.y =dev/sprite.x DUP2 LDR #00 SWP #0008 MUL2 ,font ADD2 =dev/sprite.addr ~color =dev/sprite.color
( draw ) DUP2 LDR #00 SWP #0008 MUL2 ,font ADD2 =dev/sprite.addr ~label.color =dev/sprite.color
( incr ) #0001 ADD2
( incr ) ~pos.x #0008 ADD2 =pos.x
( incr ) ~dev/sprite.x #0008 ADD2 =dev/sprite.x
DUP2 LDR #00 NEQ ,draw-label-loop ROT JMP? POP2
POP2
RTS
@draw-sprite
@ -211,10 +225,11 @@ RTS
@mouse2_text [ mouse _2 ] <1 .00
@mouse12_text [ mouse 12 ] <1 .00
|d000 @ERROR BRK
|FF10 ;dev/screen Screen
|FF20 ;dev/sprite Sprite
|FF50 ;dev/mouse Mouse
|d000 @ERROR BRK
|FFF0 [ 0f85 0fd5 0fb5 ] ( palette )
|FFFA .RESET .FRAME .ERROR
|FFF0 .RESET .FRAME .ERROR
|FFF8 [ 0f85 0fd5 0fb5 ] ( palette )

4
examples/dev.screen.usm
View File

@ -53,5 +53,5 @@ BRK
|FF10 ;dev/screen Screen
|FF20 ;dev/sprite Sprite
|FFF0 [ f0ac f0bb f053 ] ( palette )
|FFFA .RESET .FRAME .ERROR ( vectors )
|FFF0 .RESET .FRAME .ERROR ( vectors )
|FFF8 [ f0ac f0bb f053 ] ( palette )

4
examples/gui.picture.usm
View File

@ -312,5 +312,5 @@ RTS
|FF10 ;dev/screen Screen
|FF20 ;dev/sprite Sprite
|FFF0 [ 0ffc 0f0b 0f03 ] ( palette )
|FFFA .RESET .FRAME .ERROR
|FFF0 .RESET .FRAME .ERROR
|FFF8 [ 0ffc 0f0b 0f03 ] ( palette )

4
examples/gui.shapes.usm
View File

@ -149,5 +149,5 @@ RTS
|FF10 ;dev/screen Screen
|FF20 ;dev/sprite Sprite
|FFF0 [ 0f0f 0fff 0ff0 ] ( palette )
|FFFA .RESET .FRAME .ERROR ( vectors )
|FFF0 .RESET .FRAME .ERROR ( vectors )
|FFF8 [ 0f0f 0fff 0ff0 ] ( palette )

4
examples/old.hover.usm
View File

@ -180,5 +180,5 @@ RTS
|d000 @ERROR BRK
|FFF0 [ e2af eab2 e652 ] ( palette )
|FFFA .RESET .FRAME .ERROR
|FFF0 .RESET .FRAME .ERROR
|FFF8 [ e2af eab2 e652 ] ( palette )

4
examples/old.paint.usm
View File

@ -91,5 +91,5 @@ BRK
|d000 @ERROR BRK
|FFF0 [ f1c3 f12e f12a ] ( palette )
|FFFA .RESET .FRAME .ERROR
|FFF0 .RESET .FRAME .ERROR
|FFF8 [ f1c3 f12e f12a ] ( palette )

6
uxn.c
View File

@ -193,9 +193,9 @@ loaduxn(Uxn *u, char *filepath)
if(!(f = fopen(filepath, "rb")))
return haltuxn(u, "Missing input rom.", 0);
fread(u->ram.dat, sizeof(u->ram.dat), 1, f);
u->vreset = mempeek16(u, 0xfffa);
u->vframe = mempeek16(u, 0xfffc);
u->verror = mempeek16(u, 0xfffe);
u->vreset = mempeek16(u, 0xfff0);
u->vframe = mempeek16(u, 0xfff2);
u->verror = mempeek16(u, 0xfff4);
printf("Uxn loaded[%s] vrst:%04x vfrm:%04x verr:%04x.\n",
filepath,
u->vreset,