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working demo

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This commit is contained in:
Bas Wijnen
2010-02-05 23:15:58 +01:00
parent 7a8d7c28c4
commit fb85d0f1d7
5 changed files with 91 additions and 13 deletions
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32
boot-programs/init.ccp
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@@ -418,6 +418,21 @@ static void get_device ():
Kernel::panic (0)
Kernel::free_cap (reply)
static void draw_ball ():
int const r = 50
for int y = -r; y < r; ++y:
for int x = -r; x < r; ++x:
if x * x + y * y > r * r:
((unsigned *)0x15000)[(120 + y) * 320 + 160 + x] = 0x000000
else:
((unsigned *)0x15000)[(120 + y) * 320 + 160 + x] = 0x3f30ff
static void draw_square ():
int const r = 50
for int y = -r; y < r; ++y:
for int x = -r; x < r; ++x:
((unsigned *)0x15000)[(120 + y) * 320 + 160 + x] = 0xffff00
Kernel::Num start ():
// Wait for the debugging device to be active, in case there is one.
Kernel::schedule ()
@@ -471,6 +486,7 @@ Kernel::Num start ():
Kernel::panic (0, "no display")
Kernel::Caps display_caps = display_dev->dev.create_user (Kernel::my_memory, 0, 0x15000)
Display display = display_caps.get (0)
draw_ball ()
Dev *keyboard_dev = Dev::find (Keyboard::ID, 0)
if !keyboard_dev:
Kernel::panic (0, "no keyboard")
@@ -533,7 +549,9 @@ Kernel::Num start ():
Kernel::panic (Kernel::recv.data[0].l, "invalid operation from child")
break
case KEYBOARD:
if in_system && Kernel::recv.data[0].l == (Key::ENTER | Keyboard::RELEASE):
if !in_system:
break
if Kernel::recv.data[0].l == (Key::ENTER | Keyboard::RELEASE):
for Dev *d = Dev::devs; d; d = d->next:
if d->idx != 0:
continue
@@ -549,24 +567,16 @@ Kernel::Num start ():
break
if Kernel::recv.data[0].l & Keyboard::RELEASE:
continue
unsigned const r = 50
unsigned which = 0
switch Kernel::recv.data[0].l:
case Key::VOLUME_DOWN:
// Set ball.
for int y = -r; y < r; ++y:
for int x = -r; x < r; ++x:
if x * x + y * y > r * r:
((unsigned *)0x15000)[(120 + y) * 320 + 160 + x] = 0x000000
else:
((unsigned *)0x15000)[(120 + y) * 320 + 160 + x] = 0xffffff
draw_ball ()
which = 2
break
case Key::VOLUME_UP:
// Set square.
for int y = -r; y < r; ++y:
for int x = -r; x < r; ++x:
((unsigned *)0x15000)[(120 + y) * 320 + 160 + x] = 0xffffff
draw_square ()
which = 1
break
if which != 0: