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Slot2: Slide Controller fixes

This commit is contained in:
windwakr 2023-10-11 19:32:02 -04:00
parent b6cc718d81
commit 199f69d3b3
1 changed files with 27 additions and 7 deletions
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34
desmume/src/addons/slot2_slideController.cpp
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@ -24,11 +24,16 @@
#include "../slot2.h"
#include "../emufile.h"
static u8 xDelta;
static u8 yDelta;
//Product ID, Revision ID, Motion status, X delta, Y delta, Surface quality
//Average pixel, Maximum pixel, Reserved, Reserved, Configuration, Reserved
//Data out lower, Data out upper, Shutter lower, Shutter upper, Frame period lower, Frame period upper
static u8 scRegs[18] = { 0x03, 0x20, 0x00, 0x00, 0x00, 0x80, 0x20, 0x3F, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x64, 0x00, 0x20, 0xD1 };
static u8 scRegs[18] =
{ 0x03, 0x20, 0x00, 0x00, 0x00, 0x80,
0x20, 0x3F, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x64, 0x00, 0x20, 0xD1
};
class Slot2_SlideController : public ISlot2Interface
{
@ -46,6 +51,9 @@ private:
void slideCon_reset()
{
xDelta = 0;
yDelta = 0;
slideCon.in_data = 0;
slideCon.out_data = 0;
slideCon.counter = 0;
@ -90,11 +98,20 @@ private:
else
{
slideCon.state = 2;
if (slideCon.reg_sel == 0x02)
{
//set motion flag if there has been movement
if (xDelta || yDelta)
scRegs[0x02] |= 0x80;
//freeze motion deltas
scRegs[0x03] = xDelta;
scRegs[0x04] = yDelta;
xDelta = yDelta = 0;
}
}
slideCon.counter = 0;
}
break;
case 1: //write reg
if ((slideCon.sck == 0) && (new_sck == 1) && (slideCon.counter < 8))
@ -192,6 +209,8 @@ public:
s32 version = 0;
os.write_32LE(version);
os.write_u8(xDelta);
os.write_u8(yDelta);
for (int i = 0; i < 18; i++)
os.write_u8(scRegs[i]);
os.write_16LE(slideCon.in_data);
@ -209,6 +228,8 @@ public:
if (version == 0)
{
is.read_u8(xDelta);
is.read_u8(yDelta);
for (int i = 0; i < 18; i++)
scRegs[i] = is.read_u8();
is.read_16LE(slideCon.in_data);
@ -228,8 +249,7 @@ void slideController_updateMotion(s8 x, s8 y)
{
if (x || y)
{
scRegs[0x03] = (u8)x;
scRegs[0x04] = (u8)y;
scRegs[0x02] |= 0x80; //Set motion flag in the motion status register
xDelta = (u8)x;
yDelta = (u8)y;
}
}