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manejando teclado

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This commit is contained in:
Daniel Cortés
2025-06-28 19:35:48 -04:00
parent 437fab8efe
commit 4125e866b4
3 changed files with 92 additions and 2 deletions
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4
src/Interpreter/Interpreter.cpp
View File

@@ -512,7 +512,7 @@ void Interpreter::drw_vx_vy_nibble(const Instruction& instruction) const
void Interpreter::skp_vx(const Instruction& instruction) const
{
if (this->machine_state->keyboard & 1 << instruction.x)
if (this->machine_state->keyboard & 1 << this->machine_state->v[instruction.x])
{
this->machine_state->pc += 2;
}
@@ -520,7 +520,7 @@ void Interpreter::skp_vx(const Instruction& instruction) const
void Interpreter::sknp_vx(const Instruction& instruction) const
{
if (!(this->machine_state->keyboard & 1 << instruction.x))
if (!(this->machine_state->keyboard & 1 << this->machine_state->v[instruction.x]))
{
this->machine_state->pc += 2;
}

88
src/Machine.cpp
View File

@@ -52,6 +52,94 @@ bool Machine::on_event(const SDL_Event* event) const
{
return false;
}
if (event->type == SDL_EVENT_KEY_DOWN || event->type == SDL_EVENT_KEY_UP)
{
const bool pressed = event->type == SDL_EVENT_KEY_DOWN;
switch (event->key.scancode)
{
case SDL_SCANCODE_1:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x1)
: machine_state->keyboard & ~(1 << 0x1);
break;
case SDL_SCANCODE_2:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x2)
: machine_state->keyboard & ~(1 << 0x2);
break;
case SDL_SCANCODE_3:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x3)
: machine_state->keyboard & ~(1 << 0x3);
break;
case SDL_SCANCODE_4:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0xC)
: machine_state->keyboard & ~(1 << 0xC);
break;
case SDL_SCANCODE_Q:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x4)
: machine_state->keyboard & ~(1 << 0x4);
break;
case SDL_SCANCODE_W:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x5)
: machine_state->keyboard & ~(1 << 0x5);
break;
case SDL_SCANCODE_E:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x6)
: machine_state->keyboard & ~(1 << 0x6);
break;
case SDL_SCANCODE_R:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0xD)
: machine_state->keyboard & ~(1 << 0xD);
break;
case SDL_SCANCODE_A:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x7)
: machine_state->keyboard & ~(1 << 0x7);
break;
case SDL_SCANCODE_S:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x8)
: machine_state->keyboard & ~(1 << 0x8);
break;
case SDL_SCANCODE_D:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x9)
: machine_state->keyboard & ~(1 << 0x9);
break;
case SDL_SCANCODE_F:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0xE)
: machine_state->keyboard & ~(1 << 0xE);
break;
case SDL_SCANCODE_Z:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0xA)
: machine_state->keyboard & ~(1 << 0xA);
break;
case SDL_SCANCODE_X:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0x0)
: machine_state->keyboard & ~(1 << 0x0);
break;
case SDL_SCANCODE_C:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0xB)
: machine_state->keyboard & ~(1 << 0xB);
break;
case SDL_SCANCODE_V:
machine_state->keyboard = pressed
? machine_state->keyboard | (1 << 0xF)
: machine_state->keyboard & ~(1 << 0xF);
break;
default: break;
}
}
return true;
}

2
src/UI/RegisterView.cpp
View File

@@ -52,6 +52,8 @@ void RegisterView::render()
}
}
ImGui::EndTable();
ImGui::Text("Keyboard: 0b%016B", this->machine_state->keyboard);
}
ImGui::End();
}