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Various fixes, optimizations, and initial Super Scope recording code.

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This commit is contained in:
n-a-c-h
2005-05-16 22:41:33 +00:00
parent 427b57c142
commit 6768fea23e
1 changed files with 57 additions and 21 deletions
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68
zsnes/src/zmovie.c
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@@ -56,6 +56,7 @@ extern unsigned char CMovieExt;
extern bool romispal;
extern unsigned char snesmouse;
extern unsigned short latchx, latchy;
#define IS_MOUSE_1() (snesmouse == 1)
#define IS_MOUSE_2() (snesmouse == 2)
#define IS_SCOPE() (snesmouse == 3)
@@ -168,15 +169,16 @@ Remaining 7 bits of flag determine command
ZST size - ZST
4 bytes - Frame #
2 bytes - Controller Status
9 bytes - Maximum previous input (1 Mouse [18] + 4 Regular [12*4] + 6 padded bits)
9 bytes - Maximum previous input (1 Scope [20] + 4 Regular [12*4] + 4 padded bits)
-Else-
variable - Input
12 bits per regular controller, 18 per mouse where input changed padded to next full byte size
12 bits per regular controller, 18 per mouse, 20 for scope.
Input changed padded to next full byte size
Minimum 2 bytes (12 controller bits + 4 padded bits)
Maximum 9 bytes (18 mouse controller bits + 48 regular controller bits [12*4] + 6 padded bits)
Maximum 9 bytes (20 scope controller bits + 48 regular controller bits [12*4] + 4 padded bits)
-----------------------------------------------------------------
@@ -193,7 +195,7 @@ External chapters - Repeated for all external chapters
ZST Size - ZST (never compressed)
4 bytes - Frame #
2 bytes - Controller Status
9 bytes - Maximum previous input (1 Mouse [18] + 4 Regular [12*4] + 6 padded bits)
9 bytes - Maximum previous input (1 Scope [20] + 4 Regular [12*4] + 4 padded bits)
4 bytes - Offset to input for current chapter from beginning of file
@@ -618,6 +620,8 @@ static struct
unsigned int C;
unsigned int D;
unsigned int E;
unsigned short latchx;
unsigned short latchy;
} last_joy_state;
unsigned short inputs_enabled;
unsigned char write_buffer[WRITE_BUFFER_SIZE];
@@ -630,11 +634,11 @@ static struct
#define GAMEPAD_MASK 0xFFF00000
#define MOUSE_MASK 0x00C0FFFF
#define SCOPE_MASK 0xF0000000
#define GAMEPAD_ENABLE 0x00008000
#define MOUSE_ENABLE 0x00010000
//11110000111111110000000000000000
#define SCOPE_ENABLE 0x00FF0000
static size_t pad_bit_encoder(unsigned char pad, unsigned char *buffer, size_t skip_bits)
{
@@ -666,19 +670,31 @@ static size_t pad_bit_encoder(unsigned char pad, unsigned char *buffer, size_t s
switch (pad)
{
case 1: case 2:
if (zmv_vars.inputs_enabled & ((pad == 1) ? BIT(0xA) : BIT(0xB))) //Mouse ?
if (zmv_vars.inputs_enabled & ((pad == 1) ? BIT(0xA) : BIT(0x9))) //Mouse ?
{
skip_bits = bit_encoder(last_state, MOUSE_MASK, buffer, skip_bits);
}
else
{
if ((pad == 2) && BIT(0x8))
{
unsigned int xdata = (zmv_vars.last_joy_state.latchx - 40) & 0xFF;
unsigned int ydata = zmv_vars.last_joy_state.latchy & 0xFF;
skip_bits = bit_encoder(last_state, SCOPE_MASK, buffer, skip_bits);
skip_bits = bit_encoder(xdata, 0x000000FF, buffer, skip_bits);
skip_bits = bit_encoder(ydata, 0x000000FF, buffer, skip_bits);
}
else
{
skip_bits = bit_encoder(last_state, GAMEPAD_MASK, buffer, skip_bits);
}
}
break;
case 3: case 4: case 5:
//No multitap if both ports use special devices
if (!(zmv_vars.inputs_enabled & BIT(0xA)) || (zmv_vars.inputs_enabled & BIT(0x09)))
if ((zmv_vars.inputs_enabled & (BIT(0xA)|BIT(0x9)|BIT(0x8))) <= BIT(0xA))
{
skip_bits = bit_encoder(last_state, GAMEPAD_MASK, buffer, skip_bits);
}
@@ -696,48 +712,63 @@ static size_t pad_bit_decoder(unsigned char pad, unsigned char *buffer, size_t s
{
case 1:
last_state = &zmv_vars.last_joy_state.A;
input_enable_mask = BIT(15);
input_enable_mask = BIT(0xF);
break;
case 2:
last_state = &zmv_vars.last_joy_state.B;
input_enable_mask = BIT(14);
input_enable_mask = BIT(0xE);
break;
case 3:
last_state = &zmv_vars.last_joy_state.C;
input_enable_mask = BIT(13);
input_enable_mask = BIT(0xD);
break;
case 4:
last_state = &zmv_vars.last_joy_state.D;
input_enable_mask = BIT(12);
input_enable_mask = BIT(0xC);
break;
case 5:
last_state = &zmv_vars.last_joy_state.E;
input_enable_mask = BIT(11);
input_enable_mask = BIT(0xB);
break;
}
switch (pad)
{
case 1: case 2:
if (zmv_vars.inputs_enabled & ((pad == 1) ? BIT(0xA) : BIT(0xB))) //Mouse ?
if (zmv_vars.inputs_enabled & ((pad == 1) ? BIT(0xA) : BIT(0x9))) //Mouse ?
{
skip_bits = bit_decoder(last_state, MOUSE_MASK, buffer, skip_bits);
*last_state |= (zmv_vars.inputs_enabled & input_enable_mask) ? MOUSE_ENABLE : 0;
}
else
{
if ((pad == 2) && BIT(0x8))
{
unsigned int xdata, ydata;
skip_bits = bit_decoder(last_state, SCOPE_MASK, buffer, skip_bits);
skip_bits = bit_decoder(&xdata, 0x000000FF, buffer, skip_bits);
skip_bits = bit_decoder(&ydata, 0x000000FF, buffer, skip_bits);
*last_state |= (zmv_vars.inputs_enabled & input_enable_mask) ? SCOPE_ENABLE : 0;
zmv_vars.last_joy_state.latchx = (unsigned short)(xdata + 40);
zmv_vars.last_joy_state.latchy = (unsigned short)ydata;
}
else
{
skip_bits = bit_decoder(last_state, GAMEPAD_MASK, buffer, skip_bits);
*last_state |= (zmv_vars.inputs_enabled & input_enable_mask) ? GAMEPAD_ENABLE : 0;
}
}
break;
case 3: case 4: case 5:
//No multitap if both ports use special devices
if ((zmv_vars.inputs_enabled & BIT(0xA)) && (zmv_vars.inputs_enabled & BIT(0x09)))
if ((zmv_vars.inputs_enabled & (BIT(0xA)|BIT(0x9)|BIT(0x8))) > BIT(0xA))
{
*last_state = 0;
}
@@ -964,8 +995,13 @@ static void record_pad(unsigned char pad, unsigned char *flag, unsigned char *bu
break;
}
if (current_state != *last_state)
if ((current_state != *last_state) ||
((zmv_vars.inputs_enabled & BIT(0x8)) &&
((zmv_vars.last_joy_state.latchx != latchx) || (zmv_vars.last_joy_state.latchy != latchy))))
{
zmv_vars.last_joy_state.latchx = latchx;
zmv_vars.last_joy_state.latchy = latchy;
*last_state = current_state;
*flag |= bit_mask;
*skip_bits = pad_bit_encoder(pad, buffer, *skip_bits);