mirror of
https://github.com/holub/mame
synced 2025-04-22 16:31:49 +03:00
added missing files (nw)
This commit is contained in:
Miodrag Milanovic
parent
f9733b2f78
commit
b847a907f9
2
.gitattributes
vendored
2
.gitattributes
vendored
@ -1412,6 +1412,8 @@ src/emu/machine/rtc65271.c svneol=native#text/plain
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src/emu/machine/rtc65271.h svneol=native#text/plain
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src/emu/machine/rtc9701.c svneol=native#text/plain
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src/emu/machine/rtc9701.h svneol=native#text/plain
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src/emu/machine/s2636.c svneol=native#text/plain
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src/emu/machine/s2636.h svneol=native#text/plain
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src/emu/machine/s3520cf.c svneol=native#text/plain
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src/emu/machine/s3520cf.h svneol=native#text/plain
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src/emu/machine/s3c2400.c svneol=native#text/plain
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404
src/emu/machine/s2636.c
Normal file
404
src/emu/machine/s2636.c
Normal file
@ -0,0 +1,404 @@
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/**********************************************************************
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Signetics 2636 video chip
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Copyright Nicola Salmoria and the MAME Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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PVI REGISTER DESCRIPTION
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------------------------
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| bit |R/W| description
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byte | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
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| | |
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FC0 | size 4| size 3| size 2| size 1| W | size of the 4 objects(=sprites)
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| | |
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FC1 | |C1 |C2 |C3 |C1 |C2 |C3 | W | colors of the 4 objects
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| | color 1 | color 2 | |
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FC2 | |C1 |C2 |C3 |C1 |C2 |C3 | W |
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| | color 3 | color 4 | |
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| | |
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FC3 | |sh |pos| W | 1=shape 0=position
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| | | display format and position
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FC4 | (free) | |
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FC5 | (free) | |
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| | |
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FC6 | |C1 |C2 |C3 |BG |scrn colr | W | background lock and color
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| |backg colr |enb|C1 |C2 |C3 | | 3="enable"
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| | |
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FC7 | sound | W | squarewave output
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| | |
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FC8 | N1 | N2 | W | range of the 4 display digits
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FC9 | N3 | N4 | W |
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| | |
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|obj/backgrnd |complete object| R |
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FCA | 1 | 2 | 3 | 4 | 1 | 2 | 3 | 4 | |
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| | |
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FCB | |VR-| object collisions | R | Composition of object and back-
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| |LE |1/2|1/3|1/3|1/4|2/4|3/4| | ground,collision detection and
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| | | object display as a state display
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| | | for the status register.Set VRLE.
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| | | wait for VRST.Read out or transmit
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| | | [copy?] all bits until reset by
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| | | VRST.
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| | |
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FCC | PORT1 | R | PORT1 and PORT2 for the range of
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FCD | PORT2 | | the A/D conversion.Cleared by VRST
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FCE | (free) | |
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FCF | (free) | |
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Size control by byte FC0
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bit matrix
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|0|0| 8x10
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|0|1| 16x20
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|1|0| 32x40
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|1|1| 64x80
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CE1 and not-CE2 are outputs from the PVI.$E80..$EFF also controls the
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analog multiplexer.
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SPRITES
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-------
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each object field: (=sprite data structure)
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0 \ 10 bytes of bitmap (Each object is 8 pixels wide.)
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9 /
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A HC horizontal object coordinate
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B HCB horizontal duplicate coordinate
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C VC vertical object coordinate
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D VCB vertical duplicate coordinate
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*************************************************************/
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#include "emu.h"
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#include "machine/s2636.h"
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/*************************************
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*
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* Device interface
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*
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*************************************/
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const device_type S2636 = &device_creator<s2636_device>;
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s2636_device::s2636_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, S2636, "Signetics 2636", tag, owner, clock, "s2636", __FILE__),
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device_video_interface(mconfig, *this),
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device_sound_interface(mconfig, *this),
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m_work_ram(NULL),
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m_bitmap(NULL),
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m_collision_bitmap(NULL),
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m_channel(NULL),
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m_size(0),
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m_pos(0),
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m_level(0)
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{
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for (int i = 0; i < 1; i++)
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m_reg[i] = 0;
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}
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//-------------------------------------------------
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// device_config_complete - perform any
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// operations now that the configuration is
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// complete
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//-------------------------------------------------
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void s2636_device::device_config_complete()
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{
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// inherit a copy of the static data
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const s2636_interface *intf = reinterpret_cast<const s2636_interface *>(static_config());
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if (intf != NULL)
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*static_cast<s2636_interface *>(this) = *intf;
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// or initialize to defaults if none provided
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else
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{
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m_work_ram_size = 0;
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m_y_offset = 0;
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m_x_offset = 0;
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}
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void s2636_device::device_start()
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{
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int width = m_screen->width();
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int height = m_screen->height();
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m_work_ram = auto_alloc_array_clear(machine(), UINT8, m_work_ram_size);
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m_bitmap = auto_bitmap_ind16_alloc(machine(), width, height);
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m_collision_bitmap = auto_bitmap_ind16_alloc(machine(), width, height);
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save_item(NAME(m_x_offset));
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save_item(NAME(m_y_offset));
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save_pointer(NAME(m_work_ram), m_work_ram_size);
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save_item(NAME(*m_bitmap));
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save_item(NAME(*m_collision_bitmap));
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m_channel = machine().sound().stream_alloc(*this, 0, 1, machine().sample_rate(), this);
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save_item(NAME(m_size));
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save_item(NAME(m_pos));
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save_item(NAME(m_level));
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for (int i = 0; i < 1; i++)
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save_item(NAME(m_reg[i]), i);
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}
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/*************************************
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*
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* Constants
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*
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*************************************/
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#define SPRITE_WIDTH (8)
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#define SPRITE_HEIGHT (10)
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static const int sprite_offsets[4] = { 0x00, 0x10, 0x20, 0x40 };
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/*************************************
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*
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* Draw a sprite
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*
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*************************************/
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static void draw_sprite( UINT8 *gfx, int color, int y, int x, int expand, int or_mode, bitmap_ind16 &bitmap, const rectangle &cliprect )
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{
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int sy;
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/* for each row */
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for (sy = 0; sy < SPRITE_HEIGHT; sy++)
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{
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int sx;
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/* for each pixel on the row */
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for (sx = 0; sx < SPRITE_WIDTH; sx++)
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{
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int ey;
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/* each pixel can be expanded */
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for (ey = 0; ey <= expand; ey++)
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{
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int ex;
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for (ex = 0; ex <= expand; ex++)
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{
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/* compute effective destination pixel */
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int ty = y + sy * (expand + 1) + ey;
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int tx = x + sx * (expand + 1) + ex;
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/* get out if outside the drawing region */
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if (!cliprect.contains(tx, ty))
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continue;
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/* get out if current image bit is transparent */
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if (((gfx[sy] << sx) & 0x80) == 0x00)
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continue;
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if (or_mode)
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bitmap.pix16(ty, tx) = 0x08 | bitmap.pix16(ty, tx) | color;
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else
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bitmap.pix16(ty, tx) = 0x08 | color;
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}
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}
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}
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}
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}
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/*************************************
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*
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* Collision detection
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*
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*************************************/
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int s2636_device::check_collision( int spriteno1, int spriteno2, const rectangle &cliprect )
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{
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int checksum = 0;
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UINT8* attr1 = &m_work_ram[sprite_offsets[spriteno1]];
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UINT8* attr2 = &m_work_ram[sprite_offsets[spriteno2]];
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/* TODO: does not check shadow sprites yet */
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m_collision_bitmap->fill(0, cliprect);
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if ((attr1[0x0a] != 0xff) && (attr2[0x0a] != 0xff))
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{
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int x, y;
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int x1 = attr1[0x0a] + m_x_offset;
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int y1 = attr1[0x0c] + m_y_offset;
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int x2 = attr2[0x0a] + m_x_offset;
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int y2 = attr2[0x0c] + m_y_offset;
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int expand1 = (m_work_ram[0xc0] >> (spriteno1 << 1)) & 0x03;
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int expand2 = (m_work_ram[0xc0] >> (spriteno2 << 1)) & 0x03;
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/* draw first sprite */
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draw_sprite(attr1, 1, y1, x1, expand1, FALSE, *m_collision_bitmap, cliprect);
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/* get fingerprint */
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for (x = x1; x < x1 + SPRITE_WIDTH; x++)
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for (y = y1; y < y1 + SPRITE_HEIGHT; y++)
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{
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if (!cliprect.contains(x, y))
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continue;
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checksum = checksum + m_collision_bitmap->pix16(y, x);
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}
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/* black out second sprite */
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draw_sprite(attr2, 0, y2, x2, expand2, FALSE, *m_collision_bitmap, cliprect);
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/* remove fingerprint */
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for (x = x1; x < x1 + SPRITE_WIDTH; x++)
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for (y = y1; y < y1 + SPRITE_HEIGHT; y++)
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{
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if (!cliprect.contains(x, y))
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continue;
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checksum = checksum - m_collision_bitmap->pix16(y, x);
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}
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}
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return (checksum != 0);
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}
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/*************************************
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*
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* Main drawing
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*
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*************************************/
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bitmap_ind16 &s2636_device::update( const rectangle &cliprect )
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{
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UINT8 collision = 0;
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int spriteno;
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m_bitmap->fill(0, cliprect);
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for (spriteno = 0; spriteno < 4; spriteno++)
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{
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int color, expand, x, y;
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UINT8* attr = &m_work_ram[sprite_offsets[spriteno]];
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/* get out if sprite is turned off */
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if (attr[0x0a] == 0xff)
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continue;
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x = attr[0x0a] + m_x_offset;
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y = attr[0x0c] + m_y_offset;
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color = (m_work_ram[0xc1 + (spriteno >> 1)] >> ((spriteno & 1) ? 0 : 3)) & 0x07;
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expand = (m_work_ram[0xc0] >> (spriteno << 1)) & 0x03;
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draw_sprite(attr, color, y, x, expand, TRUE, *m_bitmap, cliprect);
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/* bail if no shadow sprites */
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if ((attr[0x0b] == 0xff) || (attr[0x0d] == 0xfe))
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continue;
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x = attr[0x0b] + m_x_offset;
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while (y < 0xff)
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{
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y = y + SPRITE_HEIGHT + attr[0x0d];
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draw_sprite(attr, color, y, x, expand, TRUE, *m_bitmap, cliprect);
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}
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}
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/* collision detection */
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if (check_collision(0, 1, cliprect)) collision |= 0x20;
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if (check_collision(0, 2, cliprect)) collision |= 0x10;
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if (check_collision(0, 3, cliprect)) collision |= 0x08;
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if (check_collision(1, 2, cliprect)) collision |= 0x04;
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if (check_collision(1, 3, cliprect)) collision |= 0x02;
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if (check_collision(2, 3, cliprect)) collision |= 0x01;
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m_work_ram[0xcb] = collision;
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return *m_bitmap;
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}
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/*************************************
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*
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* Work RAM access handlers
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*
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*************************************/
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WRITE8_MEMBER( s2636_device::work_ram_w )
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{
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assert(offset < m_work_ram_size);
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if ( offset == 0xc7 )
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{
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soundport_w(0, data);
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}
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m_work_ram[offset] = data;
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}
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READ8_MEMBER( s2636_device::work_ram_r )
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{
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assert(offset < m_work_ram_size);
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return m_work_ram[offset];
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}
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/* Sound */
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void s2636_device::soundport_w (int offset, int data)
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{
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m_channel->update();
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m_reg[offset] = data;
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switch (offset)
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{
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case 0:
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m_pos = 0;
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m_level = TRUE;
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// frequency 7874/(data+1)
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m_size = machine().sample_rate() * (data + 1) /7874;
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break;
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}
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}
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//-------------------------------------------------
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// sound_stream_update - handle a stream update
|
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//-------------------------------------------------
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void s2636_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
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{
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int i;
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stream_sample_t *buffer = outputs[0];
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for (i = 0; i < samples; i++, buffer++)
|
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{
|
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*buffer = 0;
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if (m_reg[0] && m_pos <= m_size / 2)
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{
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*buffer = 0x7fff;
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}
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if (m_pos <= m_size)
|
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m_pos++;
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if (m_pos > m_size)
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m_pos = 0;
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}
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}
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84
src/emu/machine/s2636.h
Normal file
84
src/emu/machine/s2636.h
Normal file
@ -0,0 +1,84 @@
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/**********************************************************************
|
||||
|
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Signetics 2636 video chip
|
||||
|
||||
**********************************************************************/
|
||||
|
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#ifndef __S2636_H__
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#define __S2636_H__
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||||
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|
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#define S2636_IS_PIXEL_DRAWN(p) (((p) & 0x08) ? TRUE : FALSE)
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#define S2636_PIXEL_COLOR(p) ((p) & 0x07)
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||||
/*************************************
|
||||
*
|
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* Type definitions
|
||||
*
|
||||
*************************************/
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||||
|
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struct s2636_interface
|
||||
{
|
||||
int m_work_ram_size;
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int m_y_offset;
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||||
int m_x_offset;
|
||||
};
|
||||
|
||||
/*************************************
|
||||
*
|
||||
* Device configuration macros
|
||||
*
|
||||
*************************************/
|
||||
|
||||
class s2636_device : public device_t,
|
||||
public device_video_interface,
|
||||
public device_sound_interface,
|
||||
public s2636_interface
|
||||
{
|
||||
public:
|
||||
s2636_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
~s2636_device() {}
|
||||
|
||||
/* returns a BITMAP_FORMAT_IND16 bitmap the size of the screen
|
||||
D0-D2 of each pixel is the pixel color
|
||||
D3 indicates whether the S2636 drew this pixel - 0 = not drawn, 1 = drawn */
|
||||
|
||||
bitmap_ind16 &update( const rectangle &cliprect );
|
||||
DECLARE_WRITE8_MEMBER( work_ram_w );
|
||||
DECLARE_READ8_MEMBER( work_ram_r );
|
||||
|
||||
void soundport_w (int mode, int data);
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_config_complete();
|
||||
virtual void device_start();
|
||||
|
||||
// sound stream update overrides
|
||||
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
|
||||
|
||||
private:
|
||||
// internal state
|
||||
UINT8 *m_work_ram;
|
||||
bitmap_ind16 *m_bitmap;
|
||||
bitmap_ind16 *m_collision_bitmap;
|
||||
|
||||
sound_stream *m_channel;
|
||||
UINT8 m_reg[1];
|
||||
int m_size;
|
||||
int m_pos;
|
||||
unsigned m_level;
|
||||
|
||||
int check_collision( int spriteno1, int spriteno2, const rectangle &cliprect );
|
||||
};
|
||||
|
||||
extern const device_type S2636;
|
||||
|
||||
|
||||
#define MCFG_S2636_ADD(_tag, _interface) \
|
||||
MCFG_DEVICE_ADD(_tag, S2636, 0) \
|
||||
MCFG_DEVICE_CONFIG(_interface)
|
||||
|
||||
|
||||
#endif /* __S2636_H__ */
|
||||
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Block a user