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mouse bugfixes: fixups for Blazing Paddles and MultiScribe

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This commit is contained in:
Jorj Bauer 2021-01-11 16:39:39 -05:00
parent 0b1ecceb38
commit 8a35cb0b85
1 changed files with 22 additions and 22 deletions
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44
apple/mouse.cpp
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@ -20,10 +20,14 @@ enum {
// so for the moment I'll just catch that specifically.
enum {
ST_MOUSEENABLE = 1,
ST_INTMOUSE = 2,
ST_INTBUTTON = 4,
ST_INTVBL = 8
ST_MOUSEENABLE = 0x01,
ST_INTMOUSE = 0x02,
ST_INTBUTTON = 0x04,
ST_INTVBL = 0x08,
// 0x10 is reserved
ST_XYCHANGED = 0x20,
ST_BUTTONWASDOWN = 0x40,
ST_BUTTONDOWN = 0x80
};
Mouse::Mouse()
@ -91,21 +95,22 @@ void Mouse::writeSwitches(uint8_t s, uint8_t v)
{
uint16_t xpos, ypos;
g_mouse->getPosition(&xpos, &ypos);
curButton = g_mouse->getButton();
uint8_t newStatus = g_vm->getMMU()->read(0x778+4) & ~0xC7; // clears low 3 bits per docs
if (curButton) { newStatus |= ST_BUTTONDOWN; };
if (lastButton) { newStatus |= ST_BUTTONWASDOWN; };
lastButton = curButton;
if (lastX != xpos || lastY != ypos) {
interruptsTriggered |= 0x20; // "x or y changed since last reading"
newStatus |= ST_XYCHANGED;
lastX = xpos; lastY = ypos;
}
curButton = g_mouse->getButton();
uint8_t newStatus = g_vm->getMMU()->read(0x778+4) & ~0xC0;
if (curButton) { newStatus |= 0x80; };
if (lastButton) { newStatus |= 0x40; };
// lastButton = curButton; // FIXME untangle last handling here & in SERVEMOUSE
// if we add this here, it breaks GEOS.
g_vm->getMMU()->write(0x578+4, (xpos >> 8) & 0xFF); // high X
g_vm->getMMU()->write(0x478+4, xpos & 0xFF); // low X
g_vm->getMMU()->write(0x5F8+4, (ypos >> 8) & 0xFF); // high Y
g_vm->getMMU()->write(0x4F8+4, ypos); // low Y
MMU *m = g_vm->getMMU();
m->write(0x578+4, (xpos >> 8) & 0xFF); // high X
m->write(0x478+4, xpos & 0xFF); // low X
m->write(0x5F8+4, (ypos >> 8) & 0xFF); // high Y
m->write(0x4F8+4, ypos); // low Y
m->write(0x778+4, newStatus);
}
break;
case SW_R_INITMOUSE:
@ -118,11 +123,6 @@ void Mouse::writeSwitches(uint8_t s, uint8_t v)
g_mouse->setClamp(YCLAMP, 0, 1023);
break;
case SW_R_SERVEMOUSE:
if (lastButton) interruptsTriggered |= 0x40;
if (curButton != lastButton) {
interruptsTriggered |= 0x80;
lastButton = curButton;
}
g_vm->getMMU()->write(0x778+4, interruptsTriggered);
g_vm->getMMU()->write(0x6B8+4, interruptsTriggered); // hack to appease ROM
interruptsTriggered = 0;
@ -351,7 +351,7 @@ void Mouse::maintainMouse(int64_t cycleCount)
(xpos != lastXForInt || ypos != lastYForInt) ) {
g_cpu->irq();
interruptsTriggered |= ST_INTMOUSE;
interruptsTriggered |= ST_INTMOUSE;
lastXForInt = xpos; lastYForInt = ypos;
} else if ( (status & ST_MOUSEENABLE) &&
(status & ST_INTBUTTON) &&