Rejoice for much more complete DSP-3 code.

This commit is contained in:
n-a-c-h
2006-04-30 18:30:48 +00:00
parent 2d9c4affdc
commit 9b6e87c55e

View File

@@ -594,21 +594,516 @@ void DSP3_Decode()
SetDSP3 = &DSP3_Decode_A;
}
// Opcodes 1E/3E bit-perfect to 'dsp3-intro' log
// src: adapted from SD Gundam X/G-Next
int16 op3e_x;
int16 op3e_y;
int16 op1e_terrain[0x2000];
int16 op1e_cost[0x2000];
int16 op1e_weight[0x2000];
int16 op1e_cell;
int16 op1e_turn;
int16 op1e_search;
int16 op1e_x;
int16 op1e_y;
int16 op1e_min_radius;
int16 op1e_max_radius;
int16 op1e_max_search_radius;
int16 op1e_max_path_radius;
int16 op1e_lcv_radius;
int16 op1e_lcv_steps;
int16 op1e_lcv_turns;
void DSP3_OP3E()
{
op3e_x = (uint8)(DSP3_DR & 0x00ff);
op3e_y = (uint8)((DSP3_DR & 0xff00)>>8);
DSP3_OP03();
op1e_terrain[ DSP3_DR ] = 0x00;
op1e_cost[ DSP3_DR ] = 0xff;
op1e_weight[ DSP3_DR ] = 0;
op1e_max_search_radius = 0;
op1e_max_path_radius = 0;
}
void DSP3_OP1E_A();
void DSP3_OP1E_A1();
void DSP3_OP1E_A2();
void DSP3_OP1E_A3();
void DSP3_OP1E_B();
void DSP3_OP1E_B1();
void DSP3_OP1E_B2();
void DSP3_OP1E_C();
void DSP3_OP1E_C1();
void DSP3_OP1E_C2();
void DSP3_OP1E_D( int16, int16 *, int16 * );
void DSP3_OP1E_D1( int16 move, int16 *lo, int16 *hi );
void DSP3_OP1E()
{
int lcv;
op1e_min_radius = (uint8)(DSP3_DR & 0x00ff);
op1e_max_radius = (uint8)((DSP3_DR & 0xff00)>>8);
if( op1e_min_radius == 0 )
op1e_min_radius++;
if( op1e_max_search_radius >= op1e_min_radius )
op1e_min_radius = op1e_max_search_radius+1;
if( op1e_max_radius > op1e_max_search_radius )
op1e_max_search_radius = op1e_max_radius;
op1e_lcv_radius = op1e_min_radius;
op1e_lcv_steps = op1e_min_radius;
op1e_lcv_turns = 6;
op1e_turn = 0;
op1e_x = op3e_x;
op1e_y = op3e_y;
for( lcv = 0; lcv < op1e_min_radius; lcv++ )
DSP3_OP1E_D( op1e_turn, &op1e_x, &op1e_y );
DSP3_OP1E_A();
}
void DSP3_OP1E_A()
{
int lcv;
if( op1e_lcv_steps == 0 ) {
op1e_lcv_radius++;
op1e_lcv_steps = op1e_lcv_radius;
op1e_x = op3e_x;
op1e_y = op3e_y;
for( lcv = 0; lcv < op1e_lcv_radius; lcv++ )
DSP3_OP1E_D( op1e_turn, &op1e_x, &op1e_y );
}
if( op1e_lcv_radius > op1e_max_radius ) {
op1e_turn++;
op1e_lcv_turns--;
op1e_lcv_radius = op1e_min_radius;
op1e_lcv_steps = op1e_min_radius;
op1e_x = op3e_x;
op1e_y = op3e_y;
for( lcv = 0; lcv < op1e_min_radius; lcv++ )
DSP3_OP1E_D( op1e_turn, &op1e_x, &op1e_y );
}
if( op1e_lcv_turns == 0 ) {
DSP3_DR = 0xffff;
DSP3_SR = 0x0080;
SetDSP3 = &DSP3_OP1E_B;
return;
}
DSP3_DR = (uint8)(op1e_x) | ((uint8)(op1e_y)<<8);
DSP3_OP03();
op1e_cell = DSP3_DR;
DSP3_SR = 0x0080;
SetDSP3 = &DSP3_OP1E_A1;
}
void DSP3_OP1E_A1()
{
DSP3_SR = 0x0084;
SetDSP3 = &DSP3_OP1E_A2;
}
void DSP3_OP1E_A2()
{
op1e_terrain[ op1e_cell ] = (uint8)(DSP3_DR & 0x00ff);
DSP3_SR = 0x0084;
SetDSP3 = &DSP3_OP1E_A3;
}
void DSP3_OP1E_A3()
{
op1e_cost[ op1e_cell ] = (uint8)(DSP3_DR & 0x00ff);
if( op1e_lcv_radius == 1 ) {
if( op1e_terrain[ op1e_cell ] & 1 ) {
op1e_weight[ op1e_cell ] = 0xff;
} else {
op1e_weight[ op1e_cell ] = op1e_cost[ op1e_cell ];
}
}
else {
op1e_weight[ op1e_cell ] = 0xff;
}
DSP3_OP1E_D( (int16)(op1e_turn+2), &op1e_x, &op1e_y );
op1e_lcv_steps--;
DSP3_SR = 0x0080;
DSP3_OP1E_A();
}
void DSP3_OP1E_B()
{
op1e_x = op3e_x;
op1e_y = op3e_y;
op1e_lcv_radius = 1;
op1e_search = 0;
DSP3_OP1E_B1();
SetDSP3 = &DSP3_OP1E_C;
}
void DSP3_OP1E_B1()
{
while( op1e_lcv_radius < op1e_max_radius ) {
op1e_y--;
op1e_lcv_turns = 6;
op1e_turn = 5;
while( op1e_lcv_turns ) {
op1e_lcv_steps = op1e_lcv_radius;
while( op1e_lcv_steps ) {
DSP3_OP1E_D1( op1e_turn, &op1e_x, &op1e_y );
if( 0 <= op1e_y && op1e_y < DSP3_WinHi &&
0 <= op1e_x && op1e_x < DSP3_WinLo ) {
DSP3_DR = (uint8)(op1e_x) | ((uint8)(op1e_y)<<8);
DSP3_OP03();
op1e_cell = DSP3_DR;
if( op1e_cost[ op1e_cell ] < 0x80 &&
op1e_terrain[ op1e_cell ] < 0x40 ) {
DSP3_OP1E_B2();
} // end cell perimeter
}
op1e_lcv_steps--;
} // end search line
op1e_turn--;
if( op1e_turn == 0 ) op1e_turn = 6;
op1e_lcv_turns--;
} // end circle search
op1e_lcv_radius++;
} // end radius search
}
void DSP3_OP1E_B2()
{
int16 cell;
int16 path;
int16 x,y;
int16 lcv_turns;
path = 0xff;
lcv_turns = 6;
while( lcv_turns ) {
x = op1e_x;
y = op1e_y;
DSP3_OP1E_D1( lcv_turns, &x, &y );
DSP3_DR = (uint8)(x) | ((uint8)(y)<<8);
DSP3_OP03();
cell = DSP3_DR;
if( 0 <= y && y < DSP3_WinHi &&
0 <= x && x < DSP3_WinLo ) {
if( op1e_terrain[ cell ] < 0x80 || op1e_weight[ cell ] == 0 ) {
if( op1e_weight[ cell ] < path ) {
path = op1e_weight[ cell ];
}
}
} // end step travel
lcv_turns--;
} // end while turns
if( path != 0xff ) {
op1e_weight[ op1e_cell ] = path + op1e_cost[ op1e_cell ];
}
}
void DSP3_OP1E_C()
{
int lcv;
op1e_min_radius = (uint8)(DSP3_DR & 0x00ff);
op1e_max_radius = (uint8)((DSP3_DR & 0xff00)>>8);
if( op1e_min_radius == 0 )
op1e_min_radius++;
if( op1e_max_path_radius >= op1e_min_radius )
op1e_min_radius = op1e_max_path_radius+1;
if( op1e_max_radius > op1e_max_path_radius )
op1e_max_path_radius = op1e_max_radius;
op1e_lcv_radius = op1e_min_radius;
op1e_lcv_steps = op1e_min_radius;
op1e_lcv_turns = 6;
op1e_turn = 0;
op1e_x = op3e_x;
op1e_y = op3e_y;
for( lcv = 0; lcv < op1e_min_radius; lcv++ )
DSP3_OP1E_D( op1e_turn, &op1e_x, &op1e_y );
DSP3_OP1E_C1();
}
void DSP3_OP1E_C1()
{
int lcv;
if( op1e_lcv_steps == 0 ) {
op1e_lcv_radius++;
op1e_lcv_steps = op1e_lcv_radius;
op1e_x = op3e_x;
op1e_y = op3e_y;
for( lcv = 0; lcv < op1e_lcv_radius; lcv++ )
DSP3_OP1E_D( op1e_turn, &op1e_x, &op1e_y );
}
if( op1e_lcv_radius > op1e_max_radius ) {
op1e_turn++;
op1e_lcv_turns--;
op1e_lcv_radius = op1e_min_radius;
op1e_lcv_steps = op1e_min_radius;
op1e_x = op3e_x;
op1e_y = op3e_y;
for( lcv = 0; lcv < op1e_min_radius; lcv++ )
DSP3_OP1E_D( op1e_turn, &op1e_x, &op1e_y );
}
if( op1e_lcv_turns == 0 ) {
DSP3_DR = 0xffff;
DSP3_SR = 0x0080;
SetDSP3 = &DSP3_Reset;
return;
}
DSP3_DR = (uint8)(op1e_x) | ((uint8)(op1e_y)<<8);
DSP3_OP03();
op1e_cell = DSP3_DR;
DSP3_SR = 0x0080;
SetDSP3 = &DSP3_OP1E_C2;
}
void DSP3_OP1E_C2()
{
DSP3_DR = op1e_weight[ op1e_cell ];
DSP3_OP1E_D( (int16)(op1e_turn+2), &op1e_x, &op1e_y );
op1e_lcv_steps--;
DSP3_SR = 0x0084;
SetDSP3 = &DSP3_OP1E_C1;
}
void DSP3_OP1E_D( int16 move, int16 *lo, int16 *hi )
{
uint32 dataOfs = ((move << 1) + 0x03b2) & 0x03ff;
int16 Lo;
int16 Hi;
DSP3_AddHi = DSP3_DataROM[dataOfs];
DSP3_AddLo = DSP3_DataROM[dataOfs + 1];
Lo = (uint8)(*lo);
Hi = (uint8)(*hi);
if (Lo & 1) Hi += (DSP3_AddLo & 1);
DSP3_AddLo += Lo;
DSP3_AddHi += Hi;
if (DSP3_AddLo < 0)
DSP3_AddLo += DSP3_WinLo;
else
if (DSP3_AddLo >= DSP3_WinLo)
DSP3_AddLo -= DSP3_WinLo;
if (DSP3_AddHi < 0)
DSP3_AddHi += DSP3_WinHi;
else
if (DSP3_AddHi >= DSP3_WinHi)
DSP3_AddHi -= DSP3_WinHi;
*lo = DSP3_AddLo;
*hi = DSP3_AddHi;
}
void DSP3_OP1E_D1( int16 move, int16 *lo, int16 *hi )
{
uint32 dataOfs = ((move << 1) + 0x03b2) & 0x03ff;
int16 Lo;
int16 Hi;
const unsigned short HiAdd[] = {
0x00, 0xFF, 0x00, 0x01, 0x01, 0x01, 0x00, 0x00,
0x00, 0xFF, 0xFF, 0x00, 0x01, 0x00, 0xFF, 0x00
};
const unsigned short LoAdd[] = {
0x00, 0x00, 0x01, 0x01, 0x00, 0xFF, 0xFF, 0x00
};
if( (*lo) & 1 )
DSP3_AddHi = HiAdd[ move + 8 ];
else
DSP3_AddHi = HiAdd[ move + 0 ];
DSP3_AddLo = LoAdd[ move ];
Lo = (uint8)(*lo);
Hi = (uint8)(*hi);
if (Lo & 1) Hi += (DSP3_AddLo & 1);
DSP3_AddLo += Lo;
DSP3_AddHi += Hi;
*lo = DSP3_AddLo;
*hi = DSP3_AddHi;
}
void DSP3_OP10()
{
if( DSP3_DR == 0xffff ) {
DSP3_Reset();
} else {
// absorb 2 bytes
DSP3_DR = DSP3_DR;
}
}
void DSP3_OP0C_A()
{
// absorb 2 bytes
DSP3_DR = 0;
SetDSP3 = &DSP3_Reset;
}
void DSP3_OP0C()
{
// absorb 2 bytes
DSP3_DR = 0;
//SetDSP3 = &DSP3_OP0C_A;
SetDSP3 = &DSP3_Reset;
}
void DSP3_OP1C_C()
{
// return 2 bytes
DSP3_DR = 0;
SetDSP3 = &DSP3_Reset;
}
void DSP3_OP1C_B()
{
// absorb 2 bytes
// return 2 bytes
DSP3_DR = 0;
SetDSP3 = &DSP3_OP1C_C;
}
void DSP3_OP1C_A()
{
// absorb 2 bytes
SetDSP3 = &DSP3_OP1C_B;
}
void DSP3_OP1C()
{
// absorb 2 bytes
SetDSP3 = &DSP3_OP1C_A;
}
void DSP3_Command()
{
if (DSP3_DR < 0x40)
{
switch (DSP3_DR)
{
case 0x02: SetDSP3 = &DSP3_Coordinate; break;
case 0x03: SetDSP3 = &DSP3_OP03; break;
case 0x06: SetDSP3 = &DSP3_OP06; break;
case 0x07: SetDSP3 = &DSP3_OP07; return;
case 0x0f: SetDSP3 = &DSP3_TestMemory; break;
case 0x18: SetDSP3 = &DSP3_Convert; break;
case 0x1f: SetDSP3 = &DSP3_MemoryDump; break;
case 0x2f: SetDSP3 = &DSP3_MemorySize; break;
case 0x38: SetDSP3 = &DSP3_Decode; break;
case 0x02: SetDSP3 = &DSP3_Coordinate; break;
case 0x03: SetDSP3 = &DSP3_OP03; break;
case 0x06: SetDSP3 = &DSP3_OP06; break;
case 0x07: SetDSP3 = &DSP3_OP07; return;
case 0x0c: SetDSP3 = &DSP3_OP0C; break;
case 0x0f: SetDSP3 = &DSP3_TestMemory; break;
case 0x10: SetDSP3 = &DSP3_OP10; break;
case 0x18: SetDSP3 = &DSP3_Convert; break;
case 0x1c: SetDSP3 = &DSP3_OP1C; break;
case 0x1e: SetDSP3 = &DSP3_OP1E; break;
case 0x1f: SetDSP3 = &DSP3_MemoryDump; break;
case 0x38: SetDSP3 = &DSP3_Decode; break;
case 0x3e: SetDSP3 = &DSP3_OP3E; break;
default:
return;
}
DSP3_SR = 0x0080;
DSP3_Index = 0;