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Implemented a basic binary file write

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This commit is contained in:
neauoire 2021-03-04 20:15:01 -08:00
parent 5beee70d79
commit b9b0072652
2 changed files with 63 additions and 17 deletions
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37
emulator.c
View file

@ -64,7 +64,7 @@ SDL_Texture *gTexture;
Uint32 *pixels;
Screen screen;
Device *devconsole, *devscreen, *devmouse, *devkey, *devsprite, *devctrl, *devsystem;
Device *devscreen, *devmouse, *devkey, *devctrl;
#pragma mark - Helpers
@ -380,6 +380,24 @@ sprite_poke(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1)
return b1;
}
Uint8
file_poke(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1)
{
FILE *f;
ptr += 8;
if(b0 == 0x0d) {
char *name = &m[(m[ptr] << 8) + m[ptr + 1]];
Uint16 length = (m[ptr + 2] << 8) + m[ptr + 3];
Uint16 addr = (m[ptr + 4] << 8) + b1;
f = fopen(name, "w");
if(!fwrite(&m[addr], length, 1, f))
return error("Save", "Failure");
fclose(f);
printf("Exported %s[%d bytes]\n", name, length);
}
return b1;
}
Uint8
system_poke(Uint8 *m, Uint16 ptr, Uint8 b0, Uint8 b1)
{
@ -449,15 +467,22 @@ main(int argc, char **argv)
if(!init())
return error("Init", "Failed");
devconsole = portuxn(&u, "console", ppnil, console_poke);
portuxn(&u, "console", ppnil, console_poke);
devscreen = portuxn(&u, "screen", ppnil, screen_poke);
devsprite = portuxn(&u, "sprite", ppnil, sprite_poke);
portuxn(&u, "sprite", ppnil, sprite_poke);
devctrl = portuxn(&u, "controller", ppnil, ppnil);
devkey = portuxn(&u, "key", ppnil, ppnil);
devmouse = portuxn(&u, "mouse", ppnil, ppnil);
u.devices = 15; /* pad to last device */
devsystem = portuxn(&u, "system", ppnil, system_poke);
portuxn(&u, "file", ppnil, file_poke);
portuxn(&u, "empty", ppnil, ppnil);
portuxn(&u, "empty", ppnil, ppnil);
portuxn(&u, "empty", ppnil, ppnil);
portuxn(&u, "empty", ppnil, ppnil);
portuxn(&u, "empty", ppnil, ppnil);
portuxn(&u, "empty", ppnil, ppnil);
portuxn(&u, "empty", ppnil, ppnil);
portuxn(&u, "empty", ppnil, ppnil);
portuxn(&u, "system", ppnil, system_poke);
/* Write screen size to dev/screen */
u.ram.dat[devscreen->addr + 0] = (HOR * 8 >> 8) & 0xff;

33
examples/app.nasu.usm
View file

@ -3,7 +3,8 @@
&Screen { width 2 height 2 pad 4 x 2 y 2 color 1 }
&Sprite { pad 8 x 2 y 2 addr 2 color 1 }
&Controller { buttons 1 }
&Mouse { x 2 y 2 state 1 chord 1 }
&Mouse { x 2 y 2 state 1 chord 1 change 1 }
&File { pad 8 name 2 length 2 binary 2 }
&Rect2d { x1 2 y1 2 x2 2 y2 2 }
&Point2d { x 2 y 2 }
@ -67,11 +68,21 @@ BRK
,no-toolbar-click ~dev/mouse.y ~bankview.y #0010 SUB2 SUB2 #0008 DIV2 #0000 NEQ2 JMP? POP2
,no-toolbar-click ~dev/mouse.x ~bankview.x SUB2 #0008 DIV2 #000c LTH2 JMP? POP2
,no-toolbar-click ~dev/mouse.x ~bankview.x SUB2 #0008 DIV2 #000e GTH2 JMP? POP2
~mouse.x ~bankview.x SUB2 #0008 DIV2 #000c SUB2 SWP POP =bankview.mode
,no-toolbar-click ~dev/mouse.x ~bankview.x SUB2 #0008 DIV2 #000f GTH2 JMP? POP2
~mouse.x ~bankview.x SUB2 #0008 DIV2 #000d SUB2 SWP POP =bankview.mode
( release ) #00 =dev/mouse.state
,redraw JSR ,click-end JMP
@no-toolbar-click
( save button )
,no-save-click ~dev/mouse.y ~bankview.y #0010 SUB2 SUB2 #0008 DIV2 #0000 NEQ2 JMP? POP2
,no-save-click ~dev/mouse.x ~tileview.x SUB2 #0008 DIV2 #000f NEQU2 JMP? POP2
( save ) ,save_name =dev/file.name #0800 =dev/file.length ~bankview.addr =dev/file.binary
( release ) #00 =dev/mouse.state
,redraw JSR ,click-end JMP
@no-save-click
( bankview )
~dev/mouse.x ~bankview.x GTH2 ~dev/mouse.x ~bankview.x #0080 ADD2 LTH2 #0101 EQU2
@ -108,13 +119,15 @@ BRK
~dev/mouse.y ~bankview.y SUB2 #0008 DIV2 #0008 MUL2 #0010 MUL2 ADD2
~bankview.addr ADD2 =tileview.addr
,redraw JSR ,click-end JMP
@no-bank-click
( tileview )
~dev/mouse.x ~tileview.x GTH2 ~dev/mouse.x ~tileview.x #0080 ADD2 LTH2 #0101 EQU2
~dev/mouse.y ~tileview.y GTH2 ~dev/mouse.y ~tileview.y #0080 ADD2 LTH2 #0101 EQU2
#0101 NEQ2 ,click-end ROT JMP? POP2
#0101 NEQ2 ,no-tile-click ROT JMP? POP2
~dev/mouse.x ~tileview.x SUB2 #0008 DIV2 #0008 MUL2 #0040 DIV2
~dev/mouse.y ~tileview.y SUB2 #0008 DIV2 #0008 MUL2 #0040 DIV2 #0002 MUL2 ADD2
#0008 MUL2
@ -127,6 +140,8 @@ BRK
( save ) ~addr ~pos.y #0008 DIV2 ADD2 STR
,redraw JSR
@no-tile-click
@click-end
,draw-cursor JSR
@ -152,7 +167,7 @@ RTS
( toolbar )
~bankview.x #0060 ADD2 =dev/sprite.x
~bankview.x #0068 ADD2 =dev/sprite.x
~bankview.y #0010 SUB2 =dev/sprite.y
,tool_selector =dev/sprite.addr
#01 ~bankview.mode #00 EQU ADD =dev/sprite.color
@ -165,6 +180,10 @@ RTS
,tool_eraser =dev/sprite.addr
#01 ~bankview.mode #02 EQU ADD =dev/sprite.color
~tileview.x #0078 ADD2 =dev/sprite.x
,save_icn =dev/sprite.addr
#01 =dev/sprite.color
( guides )
#00 =i ,font_hex =dev/sprite.addr
@ -375,9 +394,10 @@ RTS
@tool_selector [ 80c0 e0f0 f8e0 1000 ]
@tool_hand [ 4040 4070 f8f8 f870 ]
@tool_eraser [ 2050 b87c 3e1c 0800 ]
@blank_icn [ 0000 0000 0000 0000 ]
@cell1_icn [ 7cfe fefe fefe 7c00 ]
@save_icn [ fe82 8282 848e f400 ]
@save_name [ nasu_export.chr 00 ]
@font_hex ( 0-F )
[
@ -566,6 +586,7 @@ RTS
|FF20 ;dev/sprite Sprite
|FF30 ;dev/ctrl Controller
|FF50 ;dev/mouse Mouse
|FF60 ;dev/file File
|FFF0 .RESET .FRAME .ERROR ( vectors )
|FFF8 [ 35ac c03c afac ] ( palette )