// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
atarirle.c
RLE sprite handling for early-to-mid 90's Atari raster games.
****************************************************************************
Description:
Beginning with Hydra, and continuing through to Primal Rage, Atari used
RLE-compressed sprites. These sprites were decoded, colored, and scaled
on the fly using an AMD 29C101 ALU unit. The instructions for the ALU
were read from 3 512-byte PROMs and fed into the instruction input.
See the bottom of the source for more details on the operation of these
components.
***************************************************************************/
#include "emu.h"
#include "atarirle.h"
#include "screen.h"
//**************************************************************************
// CONSTANTS
//**************************************************************************
DEFINE_DEVICE_TYPE(ATARI_RLE_OBJECTS, atari_rle_objects_device, "atari_rle", "Atari RLE Motion Objects")
enum { atarirle_hilite_index = -1 };
//**************************************************************************
// INLINE FUNCTIONS
//**************************************************************************
//-------------------------------------------------
// round_to_powerof2: Rounds a number up to the
// nearest power of 2. Even powers of 2 are
// rounded up to the next greatest power
// (e.g., 4 returns 8).
//-------------------------------------------------
inline int atari_rle_objects_device::round_to_powerof2(int value)
{
int log = 0;
if (value == 0)
return 1;
while ((value >>= 1) != 0)
log++;
return 1 << (log + 1);
}
//**************************************************************************
// CORE DEVICE IMPLEMENTATION
//**************************************************************************
//-------------------------------------------------
// atari_rle_objects_device: Constructor
//-------------------------------------------------
atari_rle_objects_device::atari_rle_objects_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: device_t(mconfig, ATARI_RLE_OBJECTS, tag, owner, clock)
, device_video_interface(mconfig, *this)
, m_rombase(*this, DEVICE_SELF)
{
}
//-------------------------------------------------
// control_write: Write handler for MO control
// bits.
//-------------------------------------------------
void atari_rle_objects_device::control_write(u8 data)
{
//logerror("atarirle_control_w(%d)\n", bits);
// do nothing if nothing changed
int oldbits = m_control_bits;
if (oldbits == data)
return;
// force a partial update first
int scanline = screen().vpos();
screen().update_partial(scanline);
// if the erase flag was set, erase the front map
if ((oldbits & ATARIRLE_CONTROL_ERASE) != 0)
{
// compute the top and bottom of the rect
rectangle cliprect(m_cliprect);
cliprect.sety(
(std::max)(cliprect.top(), m_partial_scanline + 1),
(std::min)(cliprect.bottom(), scanline));
//logerror(" partial erase %d-%d (frame %d)\n", cliprect.top(), cliprect.bottom(), (oldbits & ATARIRLE_CONTROL_FRAME) >> 2);
// erase the bitmap
m_vram[0][(oldbits & ATARIRLE_CONTROL_FRAME) >> 2].fill(0, cliprect);
if (m_vrammask.mask() != 0)
m_vram[1][(oldbits & ATARIRLE_CONTROL_FRAME) >> 2].fill(0, cliprect);
}
// update the bits
m_control_bits = data;
// if mogo is set, do a render on the rising edge
if ((oldbits & ATARIRLE_CONTROL_MOGO) == 0 && (data & ATARIRLE_CONTROL_MOGO) != 0)
{
if (m_command == ATARIRLE_COMMAND_DRAW)
sort_and_render();
else if (m_command == ATARIRLE_COMMAND_CHECKSUM)
compute_checksum();
}
// remember where we left off
m_partial_scanline = scanline;
}
//-------------------------------------------------
// command_write: Write handler for MO command
// bits.
//-------------------------------------------------
void atari_rle_objects_device::command_write(u8 data)
{
m_command = data;
}
//-------------------------------------------------
// vblank_callback: VBLANK callback.
//-------------------------------------------------
void atari_rle_objects_device::vblank_callback(screen_device &screen, bool state)
{
// on the rising edge, if the erase flag is set, erase to the end of the screen
if (state)
{
if (m_control_bits & ATARIRLE_CONTROL_ERASE)
{
// compute top only; bottom is equal to visible_area
rectangle cliprect = m_cliprect;
cliprect.sety((std::max)(cliprect.top(), m_partial_scanline + 1), cliprect.bottom());
//logerror(" partial erase %d-%d (frame %d)\n", cliprect.top(), cliprect.bottom(), (m_control_bits & ATARIRLE_CONTROL_FRAME) >> 2);
// erase the bitmap
m_vram[0][(m_control_bits & ATARIRLE_CONTROL_FRAME) >> 2].fill(0, cliprect);
if (m_vrammask.mask() != 0)
m_vram[1][(m_control_bits & ATARIRLE_CONTROL_FRAME) >> 2].fill(0, cliprect);
}
// reset the partial scanline to -1 so we can detect full updates
m_partial_scanline = -1;
}
}
//-------------------------------------------------
// device_start: Configures the motion objects
// using the input description. Allocates all
// memory necessary and generates the attribute
// lookup table.
//-------------------------------------------------
void atari_rle_objects_device::device_start()
{
// resolve our memory
memory_share *share = owner()->memshare(tag());
if (share == nullptr)
throw emu_fatalerror("Unable to find memory share '%s' needed for Atari RLE device", tag());
m_ram.set(*share, 2);
// register a VBLANK callback
screen().register_vblank_callback(vblank_state_delegate(&atari_rle_objects_device::vblank_callback, this));
// build and allocate the generic tables
build_rle_tables();
// determine the masks first
m_codemask.set(m_code_entry);
m_colormask.set(m_color_entry);
m_xposmask.set(m_xpos_entry);
m_yposmask.set(m_ypos_entry);
m_scalemask.set(m_scale_entry);
m_hflipmask.set(m_hflip_entry);
m_ordermask.set(m_order_entry);
m_prioritymask.set(m_priority_entry);
m_vrammask.set(m_vram_entry);
// copy in the basic data
m_bitmapwidth = round_to_powerof2(m_xposmask.mask());
m_bitmapheight = round_to_powerof2(m_yposmask.mask());
m_bitmapxmask = m_bitmapwidth - 1;
m_bitmapymask = m_bitmapheight - 1;
// set up the graphics ROM
m_objectcount = count_objects();
// set up a cliprect
m_cliprect = screen().visible_area();
if (m_rightclip != 0)
m_cliprect.setx(m_leftclip, m_rightclip);
// compute the checksums
memset(m_checksums, 0, sizeof(m_checksums));
for (int sumchunk = 0; sumchunk < m_rombase.bytes() / 0x20000; sumchunk++)
{
const u16 *csbase = &m_rombase[0x10000 * sumchunk];
int cursum = 0;
for (int word = 0; word < 0x10000; word++)
cursum += *csbase++;
m_checksums[sumchunk] = cursum;
}
// allocate the object info and scan the objects
m_info.resize(m_objectcount);
for (int objnum = 0; objnum < m_objectcount; objnum++)
prescan_rle(objnum);
// register the bitmaps with the target screen
screen().register_screen_bitmap(m_vram[0][0]);
screen().register_screen_bitmap(m_vram[0][1]);
m_vram[0][0].fill(0);
m_vram[0][1].fill(0);
// allocate alternate bitmaps if needed
if (m_vrammask.mask() != 0)
{
screen().register_screen_bitmap(m_vram[1][0]);
screen().register_screen_bitmap(m_vram[1][1]);
m_vram[1][0].fill(0);
m_vram[1][1].fill(0);
}
// register for save states
save_item(NAME(m_vram[0][0]));
save_item(NAME(m_vram[0][1]));
if (m_vrammask.mask() != 0)
{
save_item(NAME(m_vram[1][0]));
save_item(NAME(m_vram[1][1]));
}
save_item(NAME(m_partial_scanline));
save_item(NAME(m_control_bits));
save_item(NAME(m_command));
}
//-------------------------------------------------
// device_reset: Reset the state of the device.
//-------------------------------------------------
void atari_rle_objects_device::device_reset()
{
m_partial_scanline = -1;
}
//-------------------------------------------------
// build_rle_tables: Builds internal table for
// RLE mapping.
//-------------------------------------------------
void atari_rle_objects_device::build_rle_tables()
{
// assign the tables
m_rle_table[0] = &m_rle_table_data[0x000];
m_rle_table[1] = &m_rle_table_data[0x100];
m_rle_table[2] = m_rle_table[3] = &m_rle_table_data[0x200];
m_rle_table[4] = m_rle_table[6] = &m_rle_table_data[0x300];
m_rle_table[5] = m_rle_table[7] = &m_rle_table_data[0x400];
// set the bpps
m_rle_bpp[0] = 4;
m_rle_bpp[1] = m_rle_bpp[2] = m_rle_bpp[3] = 5;
m_rle_bpp[4] = m_rle_bpp[5] = m_rle_bpp[6] = m_rle_bpp[7] = 6;
// build the 4bpp table
for (int i = 0; i < 256; i++)
m_rle_table[0][i] = (((i & 0xf0) + 0x10) << 4) | (i & 0x0f);
// build the 5bpp table
for (int i = 0; i < 256; i++)
m_rle_table[2][i] = (((i & 0xe0) + 0x20) << 3) | (i & 0x1f);
// build the special 5bpp table
for (int i = 0; i < 256; i++)
{
if ((i & 0x0f) == 0)
m_rle_table[1][i] = (((i & 0xf0) + 0x10) << 4) | (i & 0x0f);
else
m_rle_table[1][i] = (((i & 0xe0) + 0x20) << 3) | (i & 0x1f);
}
// build the 6bpp table
for (int i = 0; i < 256; i++)
m_rle_table[5][i] = (((i & 0xc0) + 0x40) << 2) | (i & 0x3f);
// build the special 6bpp table
for (int i = 0; i < 256; i++)
{
if ((i & 0x0f) == 0)
m_rle_table[4][i] = (((i & 0xf0) + 0x10) << 4) | (i & 0x0f);
else
m_rle_table[4][i] = (((i & 0xc0) + 0x40) << 2) | (i & 0x3f);
}
}
//-------------------------------------------------
// count_objects: Determines the number of objects in the
// motion object ROM.
//-------------------------------------------------
int atari_rle_objects_device::count_objects()
{
// first determine the lowest address of all objects
int lowest_address = m_rombase.length();
for (int objoffset = 0; objoffset < lowest_address; objoffset += 4)
{
int offset = ((m_rombase[objoffset + 2] & 0xff) << 16) | m_rombase[objoffset + 3];
//logerror("count_objects: objoffset=%d offset=%08X\n", objoffset, offset);
if (offset > objoffset && offset < lowest_address)
lowest_address = offset;
}
// that determines how many objects
return lowest_address / 4;
}
//-------------------------------------------------
// prescan_rle: Prescans an RLE object, computing the
// width, height, and other goodies.
//-------------------------------------------------
void atari_rle_objects_device::prescan_rle(int which)
{
object_info &info = m_info[which];
// look up the offset
u16 *base = (u16 *)&m_rombase[which * 4];
const u16 *end = &m_rombase[0] + m_rombase.length();
info.xoffs = (s16)base[0];
info.yoffs = (s16)base[1];
// determine the depth and table
int flags = base[2];
info.bpp = m_rle_bpp[(flags >> 8) & 7];
const u16 *table = info.table = m_rle_table[(flags >> 8) & 7];
// determine the starting offset
int offset = ((base[2] & 0xff) << 16) | base[3];
info.data = base = (u16 *)&m_rombase[offset];
// make sure it's valid
if (offset < which * 4 || offset >= m_rombase.length())
{
info.data = nullptr;
return;
}
// first pre-scan to determine the width and height
int width = 0;
int height;
for (height = 0; height < 1024 && base < end; height++)
{
int tempwidth = 0;
int entry_count = *base++;
// if the high bit is set, assume we're inverted
if (entry_count & 0x8000)
{
entry_count ^= 0xffff;
// also change the ROM data so we don't have to do this again at runtime
base[-1] ^= 0xffff;
}
// we're done when we hit 0
if (entry_count == 0)
break;
// track the width
while (entry_count-- && base < end)
{
int word = *base++;
int count/*, value*/;
// decode the low byte first
count = table[word & 0xff];
//value = count & 0xff;
tempwidth += count >> 8;
// decode the upper byte second
count = table[word >> 8];
//value = count & 0xff;
tempwidth += count >> 8;
}
// only remember the max
if (tempwidth > width)
width = tempwidth;
}
// fill in the data
info.width = width;
info.height = height;
}
//-------------------------------------------------
// compute_checksum: Compute the checksum values
// on the ROMs.
//-------------------------------------------------
void atari_rle_objects_device::compute_checksum()
{
// number of checksums is in the first word
int reqsums = m_ram.read(0) + 1;
if (reqsums > 256)
reqsums = 256;
// stuff them back
for (int i = 0; i < reqsums; i++)
m_ram.write(i, m_checksums[i]);
}
//-------------------------------------------------
// sort_and_render: Render all motion objects in
// order.
//-------------------------------------------------
void atari_rle_objects_device::sort_and_render()
{
// struct for sorting
struct sort_entry_t
{
sort_entry_t * next;
int entry;
};
// sort the motion objects into their proper priorities
sort_entry_t *list_head[256] = { nullptr };
sort_entry_t sort_entry[256];
for (int objnum = 0; objnum < 256; objnum++)
{
int order = m_ordermask.extract(m_ram, objnum * 8);
sort_entry[objnum].entry = objnum * 8;
sort_entry[objnum].next = list_head[order];
list_head[order] = &sort_entry[objnum];
}
// now loop back and process
int bitmap_index = (~m_control_bits & ATARIRLE_CONTROL_FRAME) >> 2;
int count = 0;
int hilite = -1;
for (int order = 1; order < 256; order++)
for (sort_entry_t *current = list_head[order]; current != nullptr; current = current->next)
{
// extract scale and code
int scale = m_scalemask.extract(m_ram, current->entry);
int code = m_codemask.extract(m_ram, current->entry);
// make sure they are in range
if (scale > 0 && code < m_objectcount)
{
int hflip = m_hflipmask.extract(m_ram, current->entry);
int color = m_colormask.extract(m_ram, current->entry);
int priority = m_prioritymask.extract(m_ram, current->entry);
int x = m_xposmask.extract(m_ram, current->entry);
int y = m_yposmask.extract(m_ram, current->entry);
int which = m_vrammask.extract(m_ram, current->entry);
if (count++ == atarirle_hilite_index)
hilite = current->entry;
if (x & ((m_xposmask.mask() + 1) >> 1))
x = (s16)(x | ~m_xposmask.mask());
if (y & ((m_yposmask.mask() + 1) >> 1))
y = (s16)(y | ~m_yposmask.mask());
x += m_cliprect.left();
// merge priority and color
color = (color << 4) | (priority << ATARIRLE_PRIORITY_SHIFT);
// render to one or both bitmaps
bitmap_ind16 &bitmap = m_vram[which][bitmap_index];
draw_rle(bitmap, m_cliprect, code, color, hflip, 0, x, y, scale, scale);
}
}
if (hilite != -1)
hilite_object(m_vram[0][bitmap_index], hilite);
}
//-------------------------------------------------
// draw_rle: Render a single RLE-compressed motion
// object.
//-------------------------------------------------
void atari_rle_objects_device::draw_rle(bitmap_ind16 &bitmap, const rectangle &clip, int code, int color, int hflip, int vflip, int x, int y, int xscale, int yscale)
{
// bail on a nullptr object
const object_info &info = m_info[code];
if (info.data == nullptr)
return;
//
int scaled_xoffs = (xscale * info.xoffs) >> 12;
int scaled_yoffs = (yscale * info.yoffs) >> 12;
// we're hflipped, account for it
if (hflip)
scaled_xoffs = ((xscale * info.width) >> 12) - scaled_xoffs;
//if (clip.top() == screen().visible_area().top())
//logerror(" Sprite: c=%04X l=%04X h=%d X=%4d (o=%4d w=%3d) Y=%4d (o=%4d h=%d) s=%04X\n",
// code, color, hflip,
// x, -scaled_xoffs, (xscale * info.width) >> 12,
// y, -scaled_yoffs, (yscale * info.height) >> 12, xscale);
// adjust for the x and y offsets
x -= scaled_xoffs;
y -= scaled_yoffs;
// draw it with appropriate flipping
u32 palettebase = m_palettebase + color;
if (!hflip)
draw_rle_zoom(bitmap, clip, info, palettebase, x, y, xscale << 4, yscale << 4);
else
draw_rle_zoom_hflip(bitmap, clip, info, palettebase, x, y, xscale << 4, yscale << 4);
}
//-------------------------------------------------
// draw_rle_zoom: Draw an RLE-compressed object to
// a 16-bit bitmap.
//-------------------------------------------------
void atari_rle_objects_device::draw_rle_zoom(bitmap_ind16 &bitmap, const rectangle &clip, const object_info &info, u32 palette, int sx, int sy, int scalex, int scaley)
{
// determine scaled size; make sure we didn't end up with 0
int scaled_width = (scalex * info.width + 0x7fff) >> 16;
int scaled_height = (scaley * info.height + 0x7fff) >> 16;
if (scaled_width == 0) scaled_width = 1;
if (scaled_height == 0) scaled_height = 1;
// compute the remaining parameters
int dx = (info.width << 16) / scaled_width;
int dy = (info.height << 16) / scaled_height;
int ex = sx + scaled_width - 1;
int ey = sy + scaled_height - 1;
int sourcey = dy / 2;
// left edge clip
int pixels_to_skip = 0;
bool xclipped = false;
if (sx < clip.left())
pixels_to_skip = clip.left() - sx, xclipped = true;
if (sx > clip.right())
return;
// right edge clip
if (ex > clip.right())
ex = clip.right(), xclipped = true;
else if (ex < clip.left())
return;
// top edge clip
if (sy < clip.top())
{
sourcey += (clip.top() - sy) * dy;
sy = clip.top();
}
else if (sy > clip.bottom())
return;
// bottom edge clip
if (ey > clip.bottom())
ey = clip.bottom();
else if (ey < clip.top())
return;
// loop top to bottom
const u16 *row_start = info.data;
const u16 *table = info.table;
int current_row = 0;
for (int y = sy; y <= ey; y++, sourcey += dy)
{
u16 *dest = &bitmap.pix16(y, sx);
int sourcex = dx / 2, rle_end = 0;
// loop until we hit the row we're on
for ( ; current_row != (sourcey >> 16); current_row++)
row_start += 1 + *row_start;
// grab our starting parameters from this row
const u16 *base = row_start;
int entry_count = *base++;
// non-clipped case
if (!xclipped)
{
// decode the pixels
for (int entry = 0; entry < entry_count; entry++)
{
// decode the low byte first
int word = *base++;
int count = table[word & 0xff];
int value = count & 0xff;
rle_end += (count & 0xff00) << 8;
// store copies of the value until we pass the end of this chunk
if (value)
{
value += palette;
while (sourcex < rle_end)
*dest++ = value, sourcex += dx;
}
else
{
while (sourcex < rle_end)
dest++, sourcex += dx;
}
// decode the upper byte second
count = table[word >> 8];
value = count & 0xff;
rle_end += (count & 0xff00) << 8;
// store copies of the value until we pass the end of this chunk
if (value)
{
value += palette;
while (sourcex < rle_end)
*dest++ = value, sourcex += dx;
}
else
{
while (sourcex < rle_end)
dest++, sourcex += dx;
}
}
}
// clipped case
else
{
const u16 *end = &bitmap.pix16(y, ex);
int to_be_skipped = pixels_to_skip;
// decode the pixels
for (int entry = 0; entry < entry_count && dest <= end; entry++)
{
// decode the low byte first
int word = *base++;
int count = table[word & 0xff];
int value = count & 0xff;
rle_end += (count & 0xff00) << 8;
// store copies of the value until we pass the end of this chunk
if (to_be_skipped)
{
while (to_be_skipped && sourcex < rle_end)
dest++, sourcex += dx, to_be_skipped--;
if (to_be_skipped) goto next3;
}
if (value)
{
value += palette;
while (sourcex < rle_end && dest <= end)
*dest++ = value, sourcex += dx;
}
else
{
while (sourcex < rle_end)
dest++, sourcex += dx;
}
next3:
// decode the upper byte second
count = table[word >> 8];
value = count & 0xff;
rle_end += (count & 0xff00) << 8;
// store copies of the value until we pass the end of this chunk
if (to_be_skipped)
{
while (to_be_skipped && sourcex < rle_end)
dest++, sourcex += dx, to_be_skipped--;
if (to_be_skipped) goto next4;
}
if (value)
{
value += palette;
while (sourcex < rle_end && dest <= end)
*dest++ = value, sourcex += dx;
}
else
{
while (sourcex < rle_end)
dest++, sourcex += dx;
}
next4:
;
}
}
}
}
//-------------------------------------------------
// draw_rle_zoom_hflip: Draw an RLE-compressed
// object to a 16-bit bitmap with horizontal
// flip.
//-------------------------------------------------
void atari_rle_objects_device::draw_rle_zoom_hflip(bitmap_ind16 &bitmap, const rectangle &clip, const object_info &info, u32 palette, int sx, int sy, int scalex, int scaley)
{
// determine scaled size; make sure we didn't end up with 0
int scaled_width = (scalex * info.width + 0x7fff) >> 16;
int scaled_height = (scaley * info.height + 0x7fff) >> 16;
if (scaled_width == 0) scaled_width = 1;
if (scaled_height == 0) scaled_height = 1;
// compute the remaining parameters
int dx = (info.width << 16) / scaled_width;
int dy = (info.height << 16) / scaled_height;
int ex = sx + scaled_width - 1;
int ey = sy + scaled_height - 1;
int sourcey = dy / 2;
// left edge clip
int pixels_to_skip = 0;
bool xclipped = false;
if (sx < clip.left())
sx = clip.left(), xclipped = true;
if (sx > clip.right())
return;
// right edge clip
if (ex > clip.right())
pixels_to_skip = ex - clip.right(), xclipped = true;
else if (ex < clip.left())
return;
// top edge clip
if (sy < clip.top())
{
sourcey += (clip.top() - sy) * dy;
sy = clip.top();
}
else if (sy > clip.bottom())
return;
// bottom edge clip
if (ey > clip.bottom())
ey = clip.bottom();
else if (ey < clip.top())
return;
// loop top to bottom
const u16 *row_start = info.data;
const u16 *table = info.table;
int current_row = 0;
for (int y = sy; y <= ey; y++, sourcey += dy)
{
u16 *dest = &bitmap.pix16(y, ex);
int sourcex = dx / 2, rle_end = 0;
// loop until we hit the row we're on
for ( ; current_row != (sourcey >> 16); current_row++)
row_start += 1 + *row_start;
// grab our starting parameters from this row
const u16 *base = row_start;
int entry_count = *base++;
// non-clipped case
if (!xclipped)
{
// decode the pixels
for (int entry = 0; entry < entry_count; entry++)
{
// decode the low byte first
int word = *base++;
int count = table[word & 0xff];
int value = count & 0xff;
rle_end += (count & 0xff00) << 8;
// store copies of the value until we pass the end of this chunk
if (value)
{
value += palette;
while (sourcex < rle_end)
*dest-- = value, sourcex += dx;
}
else
{
while (sourcex < rle_end)
dest--, sourcex += dx;
}
// decode the upper byte second
count = table[word >> 8];
value = count & 0xff;
rle_end += (count & 0xff00) << 8;
// store copies of the value until we pass the end of this chunk
if (value)
{
value += palette;
while (sourcex < rle_end)
*dest-- = value, sourcex += dx;
}
else
{
while (sourcex < rle_end)
dest--, sourcex += dx;
}
}
}
// clipped case
else
{
const u16 *start = &bitmap.pix16(y, sx);
int to_be_skipped = pixels_to_skip;
// decode the pixels
for (int entry = 0; entry < entry_count && dest >= start; entry++)
{
// decode the low byte first
int word = *base++;
int count = table[word & 0xff];
int value = count & 0xff;
rle_end += (count & 0xff00) << 8;
// store copies of the value until we pass the end of this chunk
if (to_be_skipped)
{
while (to_be_skipped && sourcex < rle_end)
dest--, sourcex += dx, to_be_skipped--;
if (to_be_skipped) goto next3;
}
if (value)
{
value += palette;
while (sourcex < rle_end && dest >= start)
*dest-- = value, sourcex += dx;
}
else
{
while (sourcex < rle_end)
dest--, sourcex += dx;
}
next3:
// decode the upper byte second
count = table[word >> 8];
value = count & 0xff;
rle_end += (count & 0xff00) << 8;
// store copies of the value until we pass the end of this chunk
if (to_be_skipped)
{
while (to_be_skipped && sourcex < rle_end)
dest--, sourcex += dx, to_be_skipped--;
if (to_be_skipped) goto next4;
}
if (value)
{
value += palette;
while (sourcex < rle_end && dest >= start)
*dest-- = value, sourcex += dx;
}
else
{
while (sourcex < rle_end)
dest--, sourcex += dx;
}
next4:
;
}
}
}
}
//-------------------------------------------------
// hilite_object: Hilight an object by drawing a
// flashing box around it
//-------------------------------------------------
void atari_rle_objects_device::hilite_object(bitmap_ind16 &bitmap, int hilite)
{
// extract scale and code
int scale = m_scalemask.extract(m_ram, hilite);
int code = m_codemask.extract(m_ram, hilite);
// make sure they are in range
if (scale > 0 && code < m_objectcount)
{
int hflip = m_hflipmask.extract(m_ram, hilite);
int color = m_colormask.extract(m_ram, hilite);
int priority = m_prioritymask.extract(m_ram, hilite);
int x = m_xposmask.extract(m_ram, hilite);
int y = m_yposmask.extract(m_ram, hilite);
if (x & ((m_xposmask.mask() + 1) >> 1))
x = s16(x | ~m_xposmask.mask());
if (y & ((m_yposmask.mask() + 1) >> 1))
y = s16(y | ~m_yposmask.mask());
x += m_cliprect.left();
// merge priority and color
color = (color << 4) | (priority << ATARIRLE_PRIORITY_SHIFT);
const object_info &info = m_info[code];
int scaled_xoffs = (scale * info.xoffs) >> 12;
int scaled_yoffs = (scale * info.yoffs) >> 12;
// we're hflipped, account for it
if (hflip)
scaled_xoffs = ((scale * info.width) >> 12) - scaled_xoffs;
// adjust for the x and y offsets
x -= scaled_xoffs;
y -= scaled_yoffs;
do
{
// make sure we didn't end up with 0
int scaled_width = (scale * info.width + 0x7fff) >> 12;
int scaled_height = (scale * info.height + 0x7fff) >> 12;
if (scaled_width == 0) scaled_width = 1;
if (scaled_height == 0) scaled_height = 1;
// compute the remaining parameters
int sx = x;
int sy = y;
int ex = sx + scaled_width - 1;
int ey = sy + scaled_height - 1;
// left edge clip
const rectangle &visarea = screen().visible_area();
if (sx < visarea.left())
sx = visarea.left();
if (sx > visarea.right())
break;
// right edge clip
if (ex > visarea.right())
ex = visarea.right();
else if (ex < visarea.left())
break;
// top edge clip
if (sy < visarea.top())
sy = visarea.top();
else if (sy > visarea.bottom())
break;
// bottom edge clip
if (ey > visarea.bottom())
ey = visarea.bottom();
else if (ey < visarea.left())
break;
for (int ty = sy; ty <= ey; ty++)
{
bitmap.pix16(ty, sx) = machine().rand() & 0xff;
bitmap.pix16(ty, ex) = machine().rand() & 0xff;
}
for (int tx = sx; tx <= ex; tx++)
{
bitmap.pix16(sy, tx) = machine().rand() & 0xff;
bitmap.pix16(ey, tx) = machine().rand() & 0xff;
}
} while (0);
fprintf(stderr, " Sprite: c=%04X l=%04X h=%d X=%4d (o=%4d w=%3d) Y=%4d (o=%4d h=%d) s=%04X\n",
code, color, hflip,
x, -scaled_xoffs, (scale * info.width) >> 12,
y, -scaled_yoffs, (scale * info.height) >> 12, scale);
}
}
//**************************************************************************
// SPRITE PARAMETER
//**************************************************************************
//-------------------------------------------------
// sprite_parameter: Constructor
//-------------------------------------------------
atari_rle_objects_device::sprite_parameter::sprite_parameter()
: m_word(0),
m_shift(0),
m_mask(0)
{
}
//-------------------------------------------------
// set: Sets the mask via an input 4-word mask.
//-------------------------------------------------
bool atari_rle_objects_device::sprite_parameter::set(const u16 input[8])
{
// determine the word and make sure it's only 1
m_word = 0xffff;
for (int i = 0; i < 8; i++)
if (input[i])
{
if (m_word == 0xffff)
m_word = i;
else
return false;
}
// if all-zero, it's valid
if (m_word == 0xffff)
{
m_word = m_shift = m_mask = 0;
return true;
}
// determine the shift and final mask
m_shift = 0;
u16 temp = input[m_word];
while (!(temp & 1))
{
m_shift++;
temp >>= 1;
}
m_mask = temp;
return true;
}
/***************************************************************************
The mapping of the bits from the PROMs is like this:
D23 ->
D22 ->
D21 ->
D20 ->
D19 ->
D18 ->
D17 -> instruction bit 8
D16 -> instruction bit 7
D15 -> instruction bit 6
D14 -> instruction bit 5
D13 -> instruction bit 4
D12 -> instruction bit 3
D11 -> instruction bit 2
D10 -> instruction bit 1 (modified via a PAL)
D9 -> instruction bit 0
D8 -> carry in
D7 -> A bit 3
D6 -> A bit 2
D5 -> A bit 1
D4 -> A bit 0
D3 -> B bit 3
D2 -> B bit 2
D1 -> B bit 1
D0 -> B bit 0
Although much of the logic is contained in the ALU, the program counter
is fed externally. Jumps are decoded like this:
if (D13 && D14)
{
switch (D11 | D10 | D9)
{
case 0: condition = true;
case 1: condition = ALU.LT;
case 2: condition = ALU.Z;
case 3: condition = ALU.N;
case 4: condition = BLT.HFLIP;
case 5: condition = /BLT.SCAN;
case 6: condition = ALU.C;
case 7: condition = MOTIMEP;
}
condition ^= D12;
if (condition)
PC = D8 | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0;
}
Here is the code from Guardians of the Hood:
I C A B
--- - - -
000: A0 C8 00 -> 064 0 0 0 (latch UC.RASCAS)
001: 01 C8 66 -> 0E4 0 6 6
002: 01 89 66 -> 0C4 1 6 6
003: 03 82 66 -> 1C1 0 6 6
004: 01 B8 65 -> 0DC 0 6 5
005: 01 82 66 -> 0C1 0 6 6
006: 01 89 55 -> 0C4 1 5 5
007: 01 C8 77 -> 0E4 0 7 7
008: 01 89 77 -> 0C4 1 7 7
009: 03 82 77 -> 1C1 0 7 7
00A: 03 82 77 -> 1C1 0 7 7
00B: 03 82 77 -> 1C1 0 7 7
00C: 03 82 77 -> 1C1 0 7 7
00D: 01 C8 88 -> 0E4 0 8 8
00E: 01 B8 79 -> 0DC 0 7 9
00F: 03 82 99 -> 1C1 0 9 9
010: 01 82 99 -> 0C1 0 9 9
011: 01 B8 61 -> 0DC 0 6 1
012: 01 82 11 -> 0C1 0 1 1
013: 01 96 11 -> 0CB 0 1 1
014: 03 82 11 -> 1C1 0 1 1
015: 03 82 11 -> 1C1 0 1 1
016: 03 82 11 -> 1C1 0 1 1
017: 03 82 11 -> 1C1 0 1 1
018: 00 EE 18 -> 077 0 1 8 if /MOTIMEP JUMP 018
019: 84 B8 11 -> 05C 0 1 1
01A: 01 B8 72 -> 0DC 0 7 2
01B: 00 C8 00 -> 064 0 0 0
01C: 9C B8 88 -> 05C 0 8 8
01D: 98 B8 88 -> 05C 0 8 8
01E: 01 96 22 -> 0CB 0 2 2
01F: 00 F4 1C -> 07A 0 1 C if NZ JUMP 01C
020: 00 38 11 -> 01C 0 1 1
021: 03 34 00 -> 19A 0 0 0
022: 03 34 00 -> 19A 0 0 0
023: 03 34 00 -> 19A 0 0 0
024: 00 11 99 -> 008 1 9 9
025: 02 34 00 -> 11A 0 0 0
026: 84 B4 00 -> 05A 0 0 0
027: 00 C8 00 -> 064 0 0 0
028: 00 C8 00 -> 064 0 0 0
029: 10 3E 00 -> 01F 0 0 0
02A: 00 E5 3B -> 072 1 3 B if Z JUMP 13B
02B: 00 05 00 -> 002 1 0 0
02C: 9C B4 00 -> 05A 0 0 0
02D: 98 B4 00 -> 05A 0 0 0
02E: 00 EE 2E -> 077 0 2 E if /MOTIMEP JUMP 02E
02F: 10 3E 00 -> 01F 0 0 0
030: 00 05 00 -> 002 1 0 0
031: 00 F4 35 -> 07A 0 3 5 if NZ JUMP 035
032: A8 B8 55 -> 05C 0 5 5 (latch UC.HFLIP)
033: A8 FE 35 -> 07F 0 3 5 if MOTIMEP JUMP 035 (latch UC.HFLIP)
034: 00 E1 47 -> 070 1 4 7 JUMP 147
035: 01 B8 72 -> 0DC 0 7 2
036: 01 B8 8F -> 0DC 0 8 F
037: 01 83 5F -> 0C1 1 5 F
038: 84 B8 FF -> 05C 0 F F
039: 00 EE 39 -> 077 0 3 9 if /MOTIMEP JUMP 039
03A: 19 BE FF -> 0DF 0 F F
03B: 00 E4 68 -> 072 0 6 8 if Z JUMP 068
03C: 84 B8 88 -> 05C 0 8 8
03D: 00 EE 3D -> 077 0 3 D if /MOTIMEP JUMP 03D
03E: 19 BE AA -> 0DF 0 A A
03F: 00 EE 3F -> 077 0 3 F if /MOTIMEP JUMP 03F
040: 19 BE BB -> 0DF 0 B B
041: 00 EE 41 -> 077 0 4 1 if /MOTIMEP JUMP 041
042: 19 BE CC -> 0DF 0 C C
043: 00 EE 43 -> 077 0 4 3 if /MOTIMEP JUMP 043
044: 19 BE DD -> 0DF 0 D D
045: 00 EE 45 -> 077 0 4 5 if /MOTIMEP JUMP 045
046: 19 BE EE -> 0DF 0 E E
047: 00 C8 00 -> 064 0 0 0
048: 01 82 1F -> 0C1 0 1 F
049: 84 B8 FF -> 05C 0 F F
04A: 11 BE FF -> 0DF 0 F F
04B: 00 C8 00 -> 064 0 0 0
04C: 00 C8 00 -> 064 0 0 0
04D: 9C B8 99 -> 05C 0 9 9
04E: 90 B8 99 -> 05C 0 9 9
04F: 00 C8 00 -> 064 0 0 0
050: 84 B8 99 -> 05C 0 9 9
051: 9C B8 AA -> 05C 0 A A
052: 98 B8 AA -> 05C 0 A A
053: 00 C8 00 -> 064 0 0 0
054: 00 C8 00 -> 064 0 0 0
055: 9C B8 BB -> 05C 0 B B
056: 98 B8 BB -> 05C 0 B B
057: 00 C8 00 -> 064 0 0 0
058: 00 C8 00 -> 064 0 0 0
059: 9C B8 CC -> 05C 0 C C
05A: 98 B8 CC -> 05C 0 C C
05B: 00 C8 00 -> 064 0 0 0
05C: 00 C8 00 -> 064 0 0 0
05D: 9C B8 DD -> 05C 0 D D
05E: 98 B8 DD -> 05C 0 D D
05F: 00 C8 00 -> 064 0 0 0
060: 00 C8 00 -> 064 0 0 0
061: 9C B8 EE -> 05C 0 E E
062: 98 B8 EE -> 05C 0 E E
063: 00 C8 00 -> 064 0 0 0
064: 00 C8 00 -> 064 0 0 0
065: 9C B8 FF -> 05C 0 F F
066: 98 B8 FF -> 05C 0 F F
067: 01 82 69 -> 0C1 0 6 9
068: 01 82 68 -> 0C1 0 6 8
069: 01 96 22 -> 0CB 0 2 2
06A: 00 F4 36 -> 07A 0 3 6 if NZ JUMP 036
06B: 01 B8 72 -> 0DC 0 7 2
06C: 01 96 22 -> 0CB 0 2 2
06D: 01 C8 44 -> 0E4 0 4 4
06E: 01 96 44 -> 0CB 0 4 4
06F: 01 B8 43 -> 0DC 0 4 3
070: 02 B8 44 -> 15C 0 4 4
071: 02 B8 44 -> 15C 0 4 4
072: 02 B8 44 -> 15C 0 4 4
073: 02 B8 44 -> 15C 0 4 4
074: 02 B8 33 -> 15C 0 3 3
075: 01 93 43 -> 0C9 1 4 3
076: 02 B8 33 -> 15C 0 3 3
077: 00 38 33 -> 01C 0 3 3
078: 01 C8 33 -> 0E4 0 3 3
079: 01 89 33 -> 0C4 1 3 3
07A: 01 82 33 -> 0C1 0 3 3
07B: 01 C8 00 -> 0E4 0 0 0
07C: 00 B8 00 -> 05C 0 0 0
07D: 00 F4 87 -> 07A 0 8 7 if NZ JUMP 087
07E: 01 89 11 -> 0C4 1 1 1
07F: 84 B8 11 -> 05C 0 1 1
080: 00 EE 80 -> 077 0 8 0 if /MOTIMEP JUMP 080
081: 11 BE 00 -> 0DF 0 0 0
082: A4 B8 22 -> 05C 0 2 2 (latch UC.COLOR)
083: 01 96 22 -> 0CB 0 2 2
084: 00 F6 7C -> 07B 0 7 C if P JUMP 07C
085: 8C B8 22 -> 05C 0 2 2
086: 00 E0 86 -> 070 0 8 6 JUMP 086
087: 84 B8 00 -> 05C 0 0 0
088: 00 EE 88 -> 077 0 8 8 if /MOTIMEP JUMP 088
089: 19 BE 55 -> 0DF 0 5 5
08A: A8 B8 55 -> 05C 0 5 5 (latch UC.HFLIP)
08B: 03 82 55 -> 1C1 0 5 5
08C: 00 C8 00 -> 064 0 0 0
08D: 19 BE FF -> 0DF 0 F F
08E: A4 B8 FF -> 05C 0 F F (latch UC.COLOR)
08F: 00 C8 00 -> 064 0 0 0
090: 00 C8 00 -> 064 0 0 0
091: 19 BE 66 -> 0DF 0 6 6
092: B0 C8 00 -> 064 0 0 0 (latch UC.FORMAT)
093: 00 C8 00 -> 064 0 0 0
094: 00 C8 00 -> 064 0 0 0
095: 19 BE 77 -> 0DF 0 7 7
096: 00 C8 00 -> 064 0 0 0
097: 00 C8 00 -> 064 0 0 0
098: 00 C8 00 -> 064 0 0 0
099: 19 BE 88 -> 0DF 0 8 8
09A: 00 C8 00 -> 064 0 0 0
09B: 00 C8 00 -> 064 0 0 0
09C: 00 C8 00 -> 064 0 0 0
09D: 19 BE 00 -> 0DF 0 0 0
09E: 84 B8 55 -> 05C 0 5 5
09F: 00 C8 00 -> 064 0 0 0
0A0: 00 C8 00 -> 064 0 0 0
0A1: 09 BE DD -> 0DF 0 D D
0A2: 00 C8 00 -> 064 0 0 0
0A3: 00 C8 00 -> 064 0 0 0
0A4: 09 BE EE -> 0DF 0 E E
0A5: 01 C8 AA -> 0E4 0 A A
0A6: 01 C8 BB -> 0E4 0 B B
0A7: 09 BE 99 -> 0DF 0 9 9
0A8: 01 B8 8F -> 0DC 0 8 F
0A9: 01 82 FF -> 0C1 0 F F
0AA: 09 BE 55 -> 0DF 0 5 5
0AB: 01 C8 CC -> 0E4 0 C C
0AC: 00 B8 DD -> 05C 0 D D
0AD: 00 F6 B1 -> 07B 0 B 1 if P JUMP 0B1
0AE: 01 A9 DD -> 0D4 1 D D
0AF: 01 82 4C -> 0C1 0 4 C
0B0: 01 89 CC -> 0C4 1 C C
0B1: 01 82 CC -> 0C1 0 C C
0B2: 00 B8 EE -> 05C 0 E E
0B3: 00 F6 B7 -> 07B 0 B 7 if P JUMP 0B7
0B4: 01 A9 EE -> 0D4 1 E E
0B5: 01 82 4C -> 0C1 0 4 C
0B6: 01 89 CC -> 0C4 1 C C
0B7: 03 82 CC -> 1C1 0 C C
0B8: 01 82 FF -> 0C1 0 F F
0B9: 43 86 DA -> 1C3 0 D A
0BA: 43 86 EB -> 1C3 0 E B
0BB: 01 82 FF -> 0C1 0 F F
0BC: 43 86 DA -> 1C3 0 D A
0BD: 43 86 EB -> 1C3 0 E B
0BE: 01 82 FF -> 0C1 0 F F
0BF: 43 86 DA -> 1C3 0 D A
0C0: 43 86 EB -> 1C3 0 E B
0C1: 01 82 FF -> 0C1 0 F F
0C2: 43 86 DA -> 1C3 0 D A
0C3: 43 86 EB -> 1C3 0 E B
0C4: 01 82 FF -> 0C1 0 F F
0C5: 43 86 DA -> 1C3 0 D A
0C6: 43 86 EB -> 1C3 0 E B
0C7: 01 82 FF -> 0C1 0 F F
0C8: 43 86 DA -> 1C3 0 D A
0C9: 43 86 EB -> 1C3 0 E B
0CA: 01 82 FF -> 0C1 0 F F
0CB: 43 86 DA -> 1C3 0 D A
0CC: 43 86 EB -> 1C3 0 E B
0CD: 01 82 FF -> 0C1 0 F F
0CE: 41 86 DA -> 0C3 0 D A
0CF: 41 86 EB -> 0C3 0 E B
0D0: 02 B8 DD -> 15C 0 D D
0D1: 02 B8 EE -> 15C 0 E E
0D2: 01 82 FF -> 0C1 0 F F
0D3: 41 86 DA -> 0C3 0 D A
0D4: 41 86 EB -> 0C3 0 E B
0D5: 02 B8 DD -> 15C 0 D D
0D6: 02 B8 EE -> 15C 0 E E
0D7: 01 82 FF -> 0C1 0 F F
0D8: 41 86 DA -> 0C3 0 D A
0D9: 41 86 EB -> 0C3 0 E B
0DA: 02 B8 DD -> 15C 0 D D
0DB: 02 B8 EE -> 15C 0 E E
0DC: 01 82 FF -> 0C1 0 F F
0DD: 41 86 DA -> 0C3 0 D A
0DE: 41 86 EB -> 0C3 0 E B
0DF: 00 B8 CC -> 05C 0 C C
0E0: 00 F6 E2 -> 07B 0 E 2 if P JUMP 0E2
0E1: 01 A9 AA -> 0D4 1 A A
0E2: 01 82 CC -> 0C1 0 C C
0E3: 00 F6 E5 -> 07B 0 E 5 if P JUMP 0E5
0E4: 01 A9 BB -> 0D4 1 B B
0E5: 01 C8 CC -> 0E4 0 C C
0E6: 01 89 CC -> 0C4 1 C C
0E7: 03 82 CC -> 1C1 0 C C
0E8: 03 82 CC -> 1C1 0 C C
0E9: 03 82 CC -> 1C1 0 C C
0EA: 01 B8 4F -> 0DC 0 4 F
0EB: 03 82 FF -> 1C1 0 F F
0EC: 00 D2 48 -> 069 0 4 8
0ED: 00 E5 19 -> 072 1 1 9 if Z JUMP 119
0EE: 02 B8 88 -> 15C 0 8 8
0EF: 02 B8 88 -> 15C 0 8 8
0F0: 02 B8 88 -> 15C 0 8 8
0F1: 02 B8 88 -> 15C 0 8 8
0F2: 01 80 88 -> 0C0 0 8 8
0F3: 84 B8 88 -> 05C 0 8 8
0F4: 00 EE F4 -> 077 0 F 4 if /MOTIMEP JUMP 0F4
0F5: 19 BE 88 -> 0DF 0 8 8
0F6: AC B8 88 -> 05C 0 8 8 (latch UC.RATE)
0F7: 01 82 88 -> 0C1 0 8 8
0F8: 02 B8 88 -> 15C 0 8 8
0F9: 00 F8 FC -> 07C 0 F C if /BLT.HFLIP JUMP 0FC
0FA: 01 82 A6 -> 0C1 0 A 6
0FB: 00 E0 FD -> 070 0 F D JUMP 0FD
0FC: 01 93 A6 -> 0C9 1 A 6
0FD: 01 93 B7 -> 0C9 1 B 7
0FE: B0 B8 99 -> 05C 0 9 9 (latch UC.FORMAT)
0FF: 84 B8 55 -> 05C 0 5 5
100: 01 C8 EE -> 0E4 0 E E
101: 00 C8 00 -> 064 0 0 0
102: 09 BE DD -> 0DF 0 D D
103: 00 E6 7C -> 073 0 7 C if N JUMP 07C
104: 00 93 F7 -> 049 1 F 7
105: 00 ED 0B -> 076 1 0 B if C JUMP 10B
106: B4 B8 DD -> 05C 0 D D (latch UC.TRANS)
107: B8 B8 77 -> 05C 0 7 7 (latch UC.XYPOS)
108: A0 B8 33 -> 05C 0 3 3 (latch UC.RASCAS)
109: B8 B8 66 -> 05C 0 6 6 (latch UC.XYPOS)
10A: BC C8 00 -> 064 0 0 0 (latch UC.SCAN)
10B: 01 82 C7 -> 0C1 0 C 7
10C: 01 82 8E -> 0C1 0 8 E
10D: 00 D2 4E -> 069 0 4 E
10E: 00 E5 14 -> 072 1 1 4 if Z JUMP 114
10F: 01 93 4E -> 0C9 1 4 E
110: 01 96 EE -> 0CB 0 E E
111: 01 83 D5 -> 0C1 1 D 5
112: 00 FD 14 -> 07E 1 1 4 if NC JUMP 114
113: 01 89 99 -> 0C4 1 9 9
114: 00 FB 14 -> 07D 1 1 4 if BLT.SCAN JUMP 114
115: A0 C8 00 -> 064 0 0 0 (latch UC.RASCAS)
116: 84 B8 55 -> 05C 0 5 5
117: B0 B8 99 -> 05C 0 9 9 (latch UC.FORMAT)
118: 00 E1 02 -> 070 1 0 2 JUMP 102
119: AC B8 88 -> 05C 0 8 8 (latch UC.RATE)
11A: 00 F9 1D -> 07C 1 1 D if /BLT.HFLIP JUMP 11D
11B: 01 82 A6 -> 0C1 0 A 6
11C: 00 E1 1E -> 070 1 1 E JUMP 11E
11D: 01 93 A6 -> 0C9 1 A 6
11E: 01 93 B7 -> 0C9 1 B 7
11F: B0 B8 99 -> 05C 0 9 9 (latch UC.FORMAT)
120: 84 B8 55 -> 05C 0 5 5
121: 01 B8 4E -> 0DC 0 4 E
122: 01 89 EE -> 0C4 1 E E
123: 02 B8 EE -> 15C 0 E E
124: 09 BE DD -> 0DF 0 D D
125: 00 E6 7C -> 073 0 7 C if N JUMP 07C
126: 01 82 8E -> 0C1 0 8 E
127: 00 D2 4E -> 069 0 4 E
128: 00 E5 33 -> 072 1 3 3 if Z JUMP 133
129: 01 93 4E -> 0C9 1 4 E
12A: 01 96 EE -> 0CB 0 E E
12B: 00 93 F7 -> 049 1 F 7
12C: 00 ED 32 -> 076 1 3 2 if C JUMP 132
12D: B4 B8 DD -> 05C 0 D D (latch UC.TRANS)
12E: B8 B8 77 -> 05C 0 7 7 (latch UC.XYPOS)
12F: A0 B8 33 -> 05C 0 3 3 (latch UC.RASCAS)
130: B8 B8 66 -> 05C 0 6 6 (latch UC.XYPOS)
131: BC C8 00 -> 064 0 0 0 (latch UC.SCAN)
132: 01 82 C7 -> 0C1 0 C 7
133: 01 83 D5 -> 0C1 1 D 5
134: 00 FD 36 -> 07E 1 3 6 if NC JUMP 136
135: 01 89 99 -> 0C4 1 9 9
136: 00 FB 36 -> 07D 1 3 6 if BLT.SCAN JUMP 136
137: A0 C8 00 -> 064 0 0 0 (latch UC.RASCAS)
138: 84 B8 55 -> 05C 0 5 5
139: B0 B8 99 -> 05C 0 9 9 (latch UC.FORMAT)
13A: 00 E1 24 -> 070 1 2 4 JUMP 124
13B: 08 3E 00 -> 01F 0 0 0
13C: 00 EF 3C -> 077 1 3 C if /MOTIMEP JUMP 13C
13D: 18 3E 00 -> 01F 0 0 0
13E: 00 E5 75 -> 072 1 7 5 if Z JUMP 175
13F: 00 C8 00 -> 064 0 0 0
140: 9C B8 44 -> 05C 0 4 4
141: 98 B8 44 -> 05C 0 4 4
142: 00 C8 00 -> 064 0 0 0
143: 00 C8 00 -> 064 0 0 0
144: 9C B8 11 -> 05C 0 1 1
145: 98 B8 11 -> 05C 0 1 1
146: 00 E1 5A -> 070 1 5 A JUMP 15A
147: 00 38 11 -> 01C 0 1 1
148: 03 34 00 -> 19A 0 0 0
149: 03 34 00 -> 19A 0 0 0
14A: 03 34 00 -> 19A 0 0 0
14B: 00 11 99 -> 008 1 9 9
14C: 00 EF 4C -> 077 1 4 C if /MOTIMEP JUMP 14C
14D: 02 34 00 -> 11A 0 0 0
14E: 84 B4 00 -> 05A 0 0 0
14F: 01 C8 00 -> 0E4 0 0 0
150: 9C B8 00 -> 05C 0 0 0
151: 98 B8 00 -> 05C 0 0 0
152: 00 C8 00 -> 064 0 0 0
153: 00 C8 00 -> 064 0 0 0
154: 9C B8 11 -> 05C 0 1 1
155: 98 B8 11 -> 05C 0 1 1
156: 00 C8 00 -> 064 0 0 0
157: 00 C8 00 -> 064 0 0 0
158: 9C B8 44 -> 05C 0 4 4
159: 98 B8 44 -> 05C 0 4 4
15A: 09 BE DD -> 0DF 0 D D
15B: 01 82 8E -> 0C1 0 8 E
15C: 00 D2 4E -> 069 0 4 E
15D: 00 E5 67 -> 072 1 6 7 if Z JUMP 167
15E: 01 93 4E -> 0C9 1 4 E
15F: 01 96 EE -> 0CB 0 E E
160: 00 93 F7 -> 049 1 F 7
161: 00 ED 67 -> 076 1 6 7 if C JUMP 167
162: B4 B8 DD -> 05C 0 D D (latch UC.TRANS)
163: B8 B8 77 -> 05C 0 7 7 (latch UC.XYPOS)
164: A0 B8 33 -> 05C 0 3 3 (latch UC.RASCAS)
165: B8 B8 66 -> 05C 0 6 6 (latch UC.XYPOS)
166: BC C8 00 -> 064 0 0 0 (latch UC.SCAN)
167: 01 82 C7 -> 0C1 0 C 7
168: 01 83 D5 -> 0C1 1 D 5
169: 00 FD 6C -> 07E 1 6 C if NC JUMP 16C
16A: 01 89 99 -> 0C4 1 9 9
16B: 01 C8 00 -> 0E4 0 0 0
16C: 01 96 00 -> 0CB 0 0 0
16D: 00 F5 6C -> 07A 1 6 C if NZ JUMP 16C
16E: A0 C8 00 -> 064 0 0 0 (latch UC.RASCAS)
16F: 84 B8 55 -> 05C 0 5 5
170: B0 B8 99 -> 05C 0 9 9 (latch UC.FORMAT)
171: 01 C8 00 -> 0E4 0 0 0
172: 01 96 00 -> 0CB 0 0 0
173: 00 F5 72 -> 07A 1 7 2 if NZ JUMP 172
174: 00 E1 5A -> 070 1 5 A JUMP 15A
175: 84 B8 88 -> 05C 0 8 8
176: 00 EF 76 -> 077 1 7 6 if /MOTIMEP JUMP 176
177: 19 BE AA -> 0DF 0 A A
178: B0 B8 AA -> 05C 0 A A (latch UC.FORMAT)
179: 01 C8 77 -> 0E4 0 7 7
17A: 84 B8 77 -> 05C 0 7 7
17B: 01 C8 BB -> 0E4 0 B B
17C: 00 C8 00 -> 064 0 0 0
17D: 00 C8 00 -> 064 0 0 0
17E: 00 C8 00 -> 064 0 0 0
17F: 08 3E 00 -> 01F 0 0 0
180: 01 80 BB -> 0C0 0 B B
181: 01 89 77 -> 0C4 1 7 7
182: 00 F5 7F -> 07A 1 7 F if NZ JUMP 17F
183: 84 B8 AA -> 05C 0 A A
184: 00 C8 00 -> 064 0 0 0
185: 00 C8 00 -> 064 0 0 0
186: 9C B8 BB -> 05C 0 B B
187: 98 B8 BB -> 05C 0 B B
188: 01 96 AA -> 0CB 0 A A
189: 00 F7 8B -> 07B 1 8 B if P JUMP 18B
18A: 00 E1 8A -> 070 1 8 A JUMP 18A
18B: 00 C8 00 -> 064 0 0 0
18C: 00 E1 78 -> 070 1 7 8 JUMP 178
***************************************************************************/