mirror of
https://github.com/holub/mame
synced 2025-10-06 17:08:28 +03:00
(MESS) Removed unused legacy code. (nw)
This commit is contained in:
Curt Coder
parent
0b78c005f6
commit
49d9ed05aa
4
.gitattributes
vendored
4
.gitattributes
vendored
@ -7721,13 +7721,9 @@ src/mess/video/uv201.c svneol=native#text/plain
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src/mess/video/uv201.h svneol=native#text/plain
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src/mess/video/uv201.h svneol=native#text/plain
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src/mess/video/v1050.c svneol=native#text/plain
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src/mess/video/v1050.c svneol=native#text/plain
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src/mess/video/vc4000.c svneol=native#text/plain
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src/mess/video/vc4000.c svneol=native#text/plain
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src/mess/video/vdc8563.c svneol=native#text/plain
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src/mess/video/vdc8563.h svneol=native#text/plain
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src/mess/video/vector06.c svneol=native#text/plain
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src/mess/video/vector06.c svneol=native#text/plain
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src/mess/video/vic4567.c svneol=native#text/plain
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src/mess/video/vic4567.c svneol=native#text/plain
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src/mess/video/vic4567.h svneol=native#text/plain
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src/mess/video/vic4567.h svneol=native#text/plain
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src/mess/video/vic6567.c svneol=native#text/plain
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src/mess/video/vic6567.h svneol=native#text/plain
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src/mess/video/vtech2.c svneol=native#text/plain
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src/mess/video/vtech2.c svneol=native#text/plain
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src/mess/video/vtvideo.c svneol=native#text/plain
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src/mess/video/vtvideo.c svneol=native#text/plain
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src/mess/video/vtvideo.h svneol=native#text/plain
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src/mess/video/vtvideo.h svneol=native#text/plain
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@ -933,8 +933,6 @@ $(MESSOBJ)/cbm.a: \
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$(MESS_MACHINE)/mos8722.o \
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$(MESS_MACHINE)/mos8722.o \
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$(MESS_MACHINE)/mos8726.o \
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$(MESS_MACHINE)/mos8726.o \
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$(MESS_MACHINE)/c2n.o \
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$(MESS_MACHINE)/c2n.o \
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$(MESS_VIDEO)/vdc8563.o \
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$(MESS_VIDEO)/vic6567.o \
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$(MESS_VIDEO)/vic4567.o \
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$(MESS_VIDEO)/vic4567.o \
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$(MESS_VIDEO)/mos6566.o \
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$(MESS_VIDEO)/mos6566.o \
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$(MESS_DRIVERS)/c900.o \
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$(MESS_DRIVERS)/c900.o \
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@ -1284,7 +1282,6 @@ $(MESSOBJ)/luxor.a: \
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$(MESS_MACHINE)/abc99.o \
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$(MESS_MACHINE)/abc99.o \
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$(MESS_MACHINE)/lux10828.o \
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$(MESS_MACHINE)/lux10828.o \
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$(MESS_MACHINE)/lux21046.o \
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$(MESS_MACHINE)/lux21046.o \
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$(MESS_MACHINE)/abc830.o \
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$(MESS_MACHINE)/abc890.o \
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$(MESS_MACHINE)/abc890.o \
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$(MESS_DRIVERS)/abc1600.o \
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$(MESS_DRIVERS)/abc1600.o \
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$(MESS_MACHINE)/abc1600_bus.o \
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$(MESS_MACHINE)/abc1600_bus.o \
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@ -1,696 +0,0 @@
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/***************************************************************************
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CBM Video Device Chip 8563
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Original code by PeT (peter.trauner@jk.uni-linz.ac.at)
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2010-02: converted to be a device
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TODO:
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- clean up the code
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- add RAM with an internal address map
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***************************************************************************/
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/*
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several graphic problems
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some are in the rastering engine and should be solved during its evalution
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rare and short documentation,
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registers and some words of description in the c128 user guide */
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/* seems to be a motorola m6845 variant */
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#include "emu.h"
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#include "video/vdc8563.h"
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struct vdc8563_state
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{
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screen_device *screen;
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int state;
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UINT8 reg[37];
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UINT8 index;
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UINT16 addr, src;
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UINT16 videoram_start, colorram_start, fontram_start;
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UINT16 videoram_size;
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int rastering;
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UINT8 *ram;
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UINT8 *dirty;
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UINT8 fontdirty[0x200];
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UINT16 mask, fontmask;
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double cursor_time;
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int cursor_on;
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int changed;
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};
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/*****************************************************************************
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CONSTANTS
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*****************************************************************************/
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#define VERBOSE_LEVEL 0
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#define DBG_LOG(N, M, A) \
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do { \
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if (VERBOSE_LEVEL >= N) \
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{ \
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if (M) \
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logerror("%11.6f: %-24s",device->machine().time().as_double(),(char*)M ); \
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logerror A; \
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} \
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} while (0)
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static const struct {
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int stored,
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read;
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} reg_mask[]= {
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{ 0xff, 0 },
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{ 0xff, 0 },
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{ 0xff, 0 },
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{ 0xff, 0 },
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{ 0xff, 0 },
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{ 0x1f, 0 },
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{ 0xff, 0 },
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{ 0xff, 0 },
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{ 0x3, 0 }, //8
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{ 0x1f, 0 },
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{ 0x7f, 0 },
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{ 0x1f, 0 },
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{ 0xff, 0xff },
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{ 0xff, 0xff },
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{ 0xff, 0xff },
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{ 0xff, 0xff },
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{ -1, 0xff }, //0x10
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{ -1, 0xff },
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{ 0xff, 0xff },
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{ 0xff, 0xff },
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{ 0xff, -1 },
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{ 0x1f, -1 },
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{ 0xff, -1 },
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{ 0xff, -1 },
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{ 0xff, -1 },//0x18
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{ 0xff, -1 },
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{ 0xff, -1 },
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{ 0xff, -1 },
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{ 0xf0, -1 },
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{ 0x1f, -1 },
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{ 0xff, -1 },
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{ 0xff, -1 },
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{ 0xff, -1 }, //0x20
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{ 0xff, -1 },
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{ 0xff, -1 },
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{ 0xff, -1 },
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{ 0x0f, -1 },
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};
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#define REG(x) (vdc8563->reg[x] & reg_mask[x].stored)
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#define CHAR_WIDTH (((vdc8563->reg[0x16] & 0xf0) >> 4) + 1)
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#define CHAR_WIDTH_VISIBLE ((vdc8563->reg[0x16] & 0x0f) + 1)
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#define BLOCK_COPY (vdc8563->reg[0x18] & 0x80)
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#define MONOTEXT ((vdc8563->reg[0x19] & 0xc0) == 0)
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#define TEXT ((vdc8563->reg[0x19] & 0xc0) == 0x40)
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#define GRAPHIC (vdc8563->reg[0x19] & 0x80)
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#define FRAMECOLOR (vdc8563->reg[0x1a] & 0x0f)
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#define MONOCOLOR (vdc8563->reg[0x1a] >> 4)
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#define LINEDIFF (vdc8563->reg[0x1b])
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#define FONT_START ((vdc8563->reg[0x1c] & 0xe0) << 8)
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/* 0x1c 0x10 dram 0:4416, 1: 4164 */
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/* 0x1d 0x1f counter for underlining */
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#define FILLBYTE vdc8563->reg[0x1f]
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#define CLOCK_HALFING (vdc8563->reg[25] & 0x10)
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/* the regs below corresponds to the ones used by 6845, hence we borrow the macros */
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#define CRTC6845_COLUMNS (REG(0) + 1)
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#define CRTC6845_CHAR_COLUMNS (REG(1))
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#define CRTC6845_CHAR_LINES REG(6)
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#define CRTC6845_CHAR_HEIGHT ((REG(9) & 0x1f) + 1)
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#define CRTC6845_LINES (REG(4) * CRTC6845_CHAR_HEIGHT + REG(5))
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#define CRTC6845_VIDEO_START ((REG(0xc) << 8) | REG(0xd))
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#define CRTC6845_INTERLACE_MODE (REG(8) & 3)
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#define CRTC6845_INTERLACE_SIGNAL 1
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#define CRTC6845_INTERLACE 3
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#define CRTC6845_CURSOR_MODE (REG(0xa) & 0x60)
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#define CRTC6845_CURSOR_OFF 0x20
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#define CRTC6845_CURSOR_16FRAMES 0x40
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#define CRTC6845_CURSOR_32FRAMES 0x60
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#define CRTC6845_SKEW (REG(8) & 15)
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#define CRTC6845_CURSOR_POS ((REG(0xe) << 8) | REG(0xf))
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#define CRTC6845_CURSOR_TOP (REG(0xa) & 0x1f)
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#define CRTC6845_CURSOR_BOTTOM REG(0xb)
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/*****************************************************************************
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INLINE FUNCTIONS
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*****************************************************************************/
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INLINE vdc8563_state *get_safe_token( device_t *device )
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{
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assert(device != NULL);
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assert(device->type() == VDC8563);
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return (vdc8563_state *)downcast<vdc8563_device *>(device)->token();
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}
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INLINE const vdc8563_interface *get_interface( device_t *device )
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{
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assert(device != NULL);
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assert((device->type() == VDC8563));
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return (const vdc8563_interface *) device->static_config();
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}
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/*****************************************************************************
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IMPLEMENTATION
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*****************************************************************************/
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static void vdc_videoram_w( device_t *device, int offset, int data )
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{
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vdc8563_state *vdc8563 = get_safe_token(device);
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offset &= vdc8563->mask;
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if (vdc8563->ram[offset] != data)
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{
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vdc8563->ram[offset] = data;
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vdc8563->dirty[offset] = 1;
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if ((vdc8563->fontram_start & vdc8563->fontmask) == (offset & vdc8563->fontmask))
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vdc8563->fontdirty[(offset & 0x1ff0) >> 4] = 1;
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}
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}
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INLINE int vdc_videoram_r( device_t *device, int offset )
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{
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vdc8563_state *vdc8563 = get_safe_token(device);
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return vdc8563->ram[offset & vdc8563->mask];
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}
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void vdc8563_set_rastering( device_t *device, int on )
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{
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vdc8563_state *vdc8563 = get_safe_token(device);
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vdc8563->rastering = on;
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vdc8563->changed |= 1;
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}
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/* 0x22 number of chars from start of line to positiv edge of display enable */
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/* 0x23 number of chars from start of line to negativ edge of display enable */
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/* 0x24 0xf number of refresh cycles per line */
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WRITE8_DEVICE_HANDLER( vdc8563_port_w )
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{
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vdc8563_state *vdc8563 = get_safe_token(device);
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UINT8 i;
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if (offset & 1)
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{
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if ((vdc8563->index & 0x3f) < 37)
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{
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switch (vdc8563->index & 0x3f)
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{
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case 1: case 4: case 0x1b:
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vdc8563->reg[vdc8563->index] = data;
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vdc8563->videoram_size = CRTC6845_CHAR_LINES * (CRTC6845_CHAR_COLUMNS + LINEDIFF);
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vdc8563->changed = 1;
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break;
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case 0xe: case 0xf: case 0xa: case 0xb:
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vdc8563->dirty[CRTC6845_CURSOR_POS & vdc8563->mask] = 1;
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vdc8563->reg[vdc8563->index] = data;
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break;
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case 0xc: case 0xd:
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vdc8563->reg[vdc8563->index] = data;
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vdc8563->videoram_start = CRTC6845_VIDEO_START;
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vdc8563->changed = 1;
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break;
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case 0x12:
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vdc8563->addr = (vdc8563->addr & 0x00ff) | (data << 8);
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break;
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case 0x13:
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vdc8563->addr = (vdc8563->addr & 0xff00) | data;
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break;
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case 0x20:
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vdc8563->src = (vdc8563->src & 0x00ff) | (data << 8);
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break;
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case 0x21:
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vdc8563->src = (vdc8563->src & 0xff00) | data;
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break;
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case 0x14: case 0x15:
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vdc8563->reg[vdc8563->index] = data;
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vdc8563->colorram_start = (vdc8563->reg[0x14] << 8) | vdc8563->reg[0x15];
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vdc8563->changed = 1;
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break;
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case 0x1c:
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vdc8563->reg[vdc8563->index] = data;
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vdc8563->fontram_start = FONT_START;
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vdc8563->changed = 1;
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break;
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case 0x16: case 0x19: case 0x1a:
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vdc8563->reg[vdc8563->index] = data;
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vdc8563->changed = 1;
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break;
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case 0x1e:
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vdc8563->reg[vdc8563->index] = data;
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if (BLOCK_COPY)
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{
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DBG_LOG(2, "vdc block copy", ("src:%.4x dst:%.4x size:%.2x\n", vdc8563->src, vdc8563->addr, data));
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i = data;
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do {
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vdc_videoram_w(device, vdc8563->addr++, vdc_videoram_r(device, vdc8563->src++));
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} while (--i != 0);
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}
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else
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{
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DBG_LOG(2, "vdc block set", ("dest:%.4x value:%.2x size:%.2x\n", vdc8563->addr, FILLBYTE, data));
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i = data;
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do {
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vdc_videoram_w(device, vdc8563->addr++, FILLBYTE);
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} while (--i != 0);
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}
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break;
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case 0x1f:
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DBG_LOG(2, "vdc written", ("dest:%.4x size:%.2x\n", vdc8563->addr, data));
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vdc8563->reg[vdc8563->index] = data;
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vdc_videoram_w(device, vdc8563->addr++, data);
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break;
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default:
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vdc8563->reg[vdc8563->index] = data;
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DBG_LOG(2, "vdc8563_port_w", ("%.2x:%.2x\n", vdc8563->index, data));
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break;
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}
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}
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DBG_LOG(3, "vdc8563_port_w", ("%.2x:%.2x\n", vdc8563->index, data));
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}
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else
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{
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vdc8563->index = data;
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}
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}
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READ8_DEVICE_HANDLER( vdc8563_port_r )
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{
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vdc8563_state *vdc8563 = get_safe_token(device);
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int val;
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val = 0xff;
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if (offset & 1)
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{
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if ((vdc8563->index & 0x3f) < 37)
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|
||||||
{
|
|
||||||
switch (vdc8563->index & 0x3f)
|
|
||||||
{
|
|
||||||
case 0x12:
|
|
||||||
val = vdc8563->addr >> 8;
|
|
||||||
break;
|
|
||||||
case 0x13:
|
|
||||||
val = vdc8563->addr & 0xff;
|
|
||||||
break;
|
|
||||||
case 0x1e:
|
|
||||||
val = 0;
|
|
||||||
break;
|
|
||||||
case 0x1f:
|
|
||||||
val = vdc_videoram_r(device, vdc8563->addr);
|
|
||||||
DBG_LOG(2, "vdc read", ("%.4x %.2x\n", vdc8563->addr, val));
|
|
||||||
break;
|
|
||||||
case 0x20:
|
|
||||||
val = vdc8563->src >> 8;
|
|
||||||
break;
|
|
||||||
case 0x21:
|
|
||||||
val = vdc8563->src & 0xff;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
val = vdc8563->reg[vdc8563->index & 0x3f] & reg_mask[vdc8563->index & 0x3f].read;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
DBG_LOG(2, "vdc8563_port_r", ("%.2x:%.2x\n", vdc8563->index, val));
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
val = vdc8563->index;
|
|
||||||
if (vdc8563->state)
|
|
||||||
val |= 0x80;
|
|
||||||
}
|
|
||||||
return val;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int vdc8563_clocks_in_frame( device_t *device )
|
|
||||||
{
|
|
||||||
vdc8563_state *vdc8563 = get_safe_token(device);
|
|
||||||
int clocks = CRTC6845_COLUMNS * CRTC6845_LINES;
|
|
||||||
|
|
||||||
switch (CRTC6845_INTERLACE_MODE)
|
|
||||||
{
|
|
||||||
case CRTC6845_INTERLACE_SIGNAL: // interlace generation of video signals only
|
|
||||||
case CRTC6845_INTERLACE: // interlace
|
|
||||||
return clocks / 2;
|
|
||||||
default:
|
|
||||||
return clocks;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void vdc8563_time( device_t *device )
|
|
||||||
{
|
|
||||||
vdc8563_state *vdc8563 = get_safe_token(device);
|
|
||||||
double newtime, ftime;
|
|
||||||
newtime = device->machine().time().as_double();
|
|
||||||
|
|
||||||
if (vdc8563_clocks_in_frame(device) == 0.0)
|
|
||||||
return;
|
|
||||||
|
|
||||||
ftime = 16 * vdc8563_clocks_in_frame(device) / 2000000.0;
|
|
||||||
if (CLOCK_HALFING)
|
|
||||||
ftime *= 2;
|
|
||||||
switch (CRTC6845_CURSOR_MODE)
|
|
||||||
{
|
|
||||||
case CRTC6845_CURSOR_OFF:
|
|
||||||
vdc8563->cursor_on = 0;
|
|
||||||
break;
|
|
||||||
case CRTC6845_CURSOR_32FRAMES:
|
|
||||||
ftime *= 2;
|
|
||||||
case CRTC6845_CURSOR_16FRAMES:
|
|
||||||
if (newtime - vdc8563->cursor_time > ftime)
|
|
||||||
{
|
|
||||||
vdc8563->cursor_time += ftime;
|
|
||||||
vdc8563->dirty[CRTC6845_CURSOR_POS & vdc8563->mask] = 1;
|
|
||||||
vdc8563->cursor_on ^= 1;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
vdc8563->cursor_on = 1;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void vdc8563_monotext_screenrefresh( device_t *device, bitmap_ind16 &bitmap, int full_refresh )
|
|
||||||
{
|
|
||||||
vdc8563_state *vdc8563 = get_safe_token(device);
|
|
||||||
running_machine &machine = device->machine();
|
|
||||||
int x, y, i;
|
|
||||||
rectangle rect;
|
|
||||||
int w = CRTC6845_CHAR_COLUMNS;
|
|
||||||
int h = CRTC6845_CHAR_LINES;
|
|
||||||
int height = CRTC6845_CHAR_HEIGHT;
|
|
||||||
|
|
||||||
rect.setx(vdc8563->screen->visible_area().min_x, vdc8563->screen->visible_area().max_x);
|
|
||||||
|
|
||||||
if (full_refresh)
|
|
||||||
memset(vdc8563->dirty + vdc8563->videoram_start, 1, vdc8563->videoram_size);
|
|
||||||
|
|
||||||
for (y = 0, rect.min_y = height, rect.max_y = rect.min_y + height - 1, i = vdc8563->videoram_start & vdc8563->mask; y < h;
|
|
||||||
y++, rect.min_y += height, rect.max_y += height)
|
|
||||||
{
|
|
||||||
for (x = 0; x < w; x++, i = (i + 1) & vdc8563->mask)
|
|
||||||
{
|
|
||||||
if (vdc8563->dirty[i])
|
|
||||||
{
|
|
||||||
drawgfx_opaque(bitmap,rect,machine.gfx[0], vdc8563->ram[i], FRAMECOLOR | (MONOCOLOR << 4), 0, 0,
|
|
||||||
machine.gfx[0]->width() * x + 8, height * y + height);
|
|
||||||
|
|
||||||
if ((vdc8563->cursor_on) && (i == (CRTC6845_CURSOR_POS & vdc8563->mask)))
|
|
||||||
{
|
|
||||||
int k = height - CRTC6845_CURSOR_TOP;
|
|
||||||
if (CRTC6845_CURSOR_BOTTOM < height)
|
|
||||||
k = CRTC6845_CURSOR_BOTTOM - CRTC6845_CURSOR_TOP + 1;
|
|
||||||
|
|
||||||
if (k > 0)
|
|
||||||
bitmap.plot_box(machine.gfx[0]->width() * x + 8, height * y + height + CRTC6845_CURSOR_TOP, machine.gfx[0]->width(), k, FRAMECOLOR);
|
|
||||||
}
|
|
||||||
|
|
||||||
vdc8563->dirty[i] = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
i += LINEDIFF;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void vdc8563_text_screenrefresh( device_t *device, bitmap_ind16 &bitmap, int full_refresh )
|
|
||||||
{
|
|
||||||
vdc8563_state *vdc8563 = get_safe_token(device);
|
|
||||||
running_machine &machine = device->machine();
|
|
||||||
int x, y, i, j;
|
|
||||||
rectangle rect;
|
|
||||||
int w = CRTC6845_CHAR_COLUMNS;
|
|
||||||
int h = CRTC6845_CHAR_LINES;
|
|
||||||
int height = CRTC6845_CHAR_HEIGHT;
|
|
||||||
|
|
||||||
rect.setx(vdc8563->screen->visible_area().min_x, vdc8563->screen->visible_area().max_x);
|
|
||||||
|
|
||||||
if (full_refresh)
|
|
||||||
memset(vdc8563->dirty + vdc8563->videoram_start, 1, vdc8563->videoram_size);
|
|
||||||
|
|
||||||
for (y = 0, rect.min_y = height, rect.max_y = rect.min_y + height - 1, i = vdc8563->videoram_start & vdc8563->mask,
|
|
||||||
j = vdc8563->colorram_start & vdc8563->mask; y < h; y++, rect.min_y += height, rect.max_y += height)
|
|
||||||
{
|
|
||||||
for (x = 0; x < w; x++, i = (i + 1) & vdc8563->mask, j = (j + 1) & vdc8563->mask)
|
|
||||||
{
|
|
||||||
if (vdc8563->dirty[i] || vdc8563->dirty[j])
|
|
||||||
{
|
|
||||||
{
|
|
||||||
UINT16 ch, fg, bg;
|
|
||||||
const UINT8 *charptr;
|
|
||||||
int v, h2;
|
|
||||||
UINT16 *pixel;
|
|
||||||
|
|
||||||
ch = vdc8563->ram[i] | ((vdc8563->ram[j] & 0x80) ? 0x100 : 0);
|
|
||||||
charptr = &vdc8563->ram[(vdc8563->fontram_start + (ch * 16)) & vdc8563->mask];
|
|
||||||
fg = ((vdc8563->ram[j] & 0x0f) >> 0) + 0x10;
|
|
||||||
bg = ((vdc8563->ram[j] & 0x70) >> 4) + 0x10;
|
|
||||||
|
|
||||||
for (v = 0; v < 16; v++)
|
|
||||||
{
|
|
||||||
for (h2 = 0; h2 < 8; h2++)
|
|
||||||
{
|
|
||||||
pixel = &bitmap.pix16((y * height) + height + v, (x * 8) + 8 + h2);
|
|
||||||
*pixel = (charptr[v] & (0x80 >> h2)) ? fg : bg;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if ((vdc8563->cursor_on) && (i == (CRTC6845_CURSOR_POS & vdc8563->mask)))
|
|
||||||
{
|
|
||||||
int k = height - CRTC6845_CURSOR_TOP;
|
|
||||||
if (CRTC6845_CURSOR_BOTTOM < height)
|
|
||||||
k = CRTC6845_CURSOR_BOTTOM - CRTC6845_CURSOR_TOP + 1;
|
|
||||||
|
|
||||||
if (k > 0)
|
|
||||||
bitmap.plot_box(machine.gfx[0]->width() * x + 8, height * y + height + CRTC6845_CURSOR_TOP, machine.gfx[0]->width(),
|
|
||||||
k, 0x10 | (vdc8563->ram[j] & 0x0f));
|
|
||||||
}
|
|
||||||
|
|
||||||
vdc8563->dirty[i] = 0;
|
|
||||||
vdc8563->dirty[j] = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
i += LINEDIFF;
|
|
||||||
j += LINEDIFF;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void vdc8563_graphic_screenrefresh( device_t *device, bitmap_ind16 &bitmap, int full_refresh )
|
|
||||||
{
|
|
||||||
vdc8563_state *vdc8563 = get_safe_token(device);
|
|
||||||
running_machine &machine = device->machine();
|
|
||||||
int x, y, i, j, k;
|
|
||||||
rectangle rect;
|
|
||||||
int w = CRTC6845_CHAR_COLUMNS;
|
|
||||||
int h = CRTC6845_CHAR_LINES;
|
|
||||||
int height = CRTC6845_CHAR_HEIGHT;
|
|
||||||
|
|
||||||
rect.setx(vdc8563->screen->visible_area().min_x, vdc8563->screen->visible_area().max_x);
|
|
||||||
|
|
||||||
if (full_refresh)
|
|
||||||
memset(vdc8563->dirty, 1, vdc8563->mask + 1);
|
|
||||||
|
|
||||||
for (y = 0, rect.min_y = height, rect.max_y = rect.min_y + height - 1, i = vdc8563->videoram_start & vdc8563->mask; y < h;
|
|
||||||
y++, rect.min_y += height, rect.max_y += height)
|
|
||||||
{
|
|
||||||
for (x = 0; x < w; x++, i = (i + 1) & vdc8563->mask)
|
|
||||||
{
|
|
||||||
for (j = 0; j < height; j++)
|
|
||||||
{
|
|
||||||
k = ((i << 4) + j) & vdc8563->mask;
|
|
||||||
if (vdc8563->dirty[k])
|
|
||||||
{
|
|
||||||
drawgfx_opaque(bitmap, rect, machine.gfx[1], vdc8563->ram[k], FRAMECOLOR | (MONOCOLOR << 4), 0, 0,
|
|
||||||
machine.gfx[0]->width() * x + 8, height * y + height + j);
|
|
||||||
vdc8563->dirty[k] = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
i += LINEDIFF;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
UINT32 vdc8563_video_update( device_t *device, bitmap_ind16 &bitmap, const rectangle &cliprect )
|
|
||||||
{
|
|
||||||
vdc8563_state *vdc8563 = get_safe_token(device);
|
|
||||||
int i;
|
|
||||||
int full_refresh = 1;
|
|
||||||
|
|
||||||
if (!vdc8563->rastering)
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
vdc8563_time(device);
|
|
||||||
|
|
||||||
full_refresh |= vdc8563->changed;
|
|
||||||
|
|
||||||
if (GRAPHIC)
|
|
||||||
{
|
|
||||||
vdc8563_graphic_screenrefresh(device, bitmap, full_refresh);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
for (i = 0; i < 512; i++)
|
|
||||||
{
|
|
||||||
if (full_refresh || vdc8563->fontdirty[i])
|
|
||||||
{
|
|
||||||
device->machine().gfx[0]->mark_dirty(i);
|
|
||||||
vdc8563->fontdirty[i] = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (TEXT)
|
|
||||||
vdc8563_text_screenrefresh(device, bitmap, full_refresh);
|
|
||||||
else
|
|
||||||
vdc8563_monotext_screenrefresh(device, bitmap, full_refresh);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (full_refresh)
|
|
||||||
{
|
|
||||||
int w = CRTC6845_CHAR_COLUMNS;
|
|
||||||
int h = CRTC6845_CHAR_LINES;
|
|
||||||
int height = CRTC6845_CHAR_HEIGHT;
|
|
||||||
|
|
||||||
bitmap.plot_box(0, 0, device->machine().gfx[0]->width() * (w + 2), height, FRAMECOLOR);
|
|
||||||
|
|
||||||
bitmap.plot_box(0, height, device->machine().gfx[0]->width(), height * h, FRAMECOLOR);
|
|
||||||
|
|
||||||
bitmap.plot_box(device->machine().gfx[0]->width() * (w + 1), height, device->machine().gfx[0]->width(), height * h, FRAMECOLOR);
|
|
||||||
|
|
||||||
bitmap.plot_box(0, height * (h + 1), device->machine().gfx[0]->width() * (w + 2), height, FRAMECOLOR);
|
|
||||||
}
|
|
||||||
|
|
||||||
vdc8563->changed = 0;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*****************************************************************************
|
|
||||||
DEVICE INTERFACE
|
|
||||||
*****************************************************************************/
|
|
||||||
|
|
||||||
static DEVICE_START( vdc8563 )
|
|
||||||
{
|
|
||||||
vdc8563_state *vdc8563 = get_safe_token(device);
|
|
||||||
const vdc8563_interface *intf = (vdc8563_interface *)device->static_config();
|
|
||||||
|
|
||||||
vdc8563->screen = device->machine().device<screen_device>(intf->screen);
|
|
||||||
|
|
||||||
vdc8563->ram = auto_alloc_array_clear(device->machine(), UINT8, 0x20000);
|
|
||||||
vdc8563->dirty = vdc8563->ram + 0x10000;
|
|
||||||
|
|
||||||
/* currently no driver uses 16k only */
|
|
||||||
if (intf->ram16konly)
|
|
||||||
{
|
|
||||||
vdc8563->mask = 0x3fff;
|
|
||||||
vdc8563->fontmask = 0x2000;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
vdc8563->mask = 0xffff;
|
|
||||||
vdc8563->fontmask = 0xe000;
|
|
||||||
}
|
|
||||||
|
|
||||||
device->save_pointer(NAME(vdc8563->ram), 0x20000);
|
|
||||||
|
|
||||||
device->save_item(NAME(vdc8563->reg));
|
|
||||||
device->save_item(NAME(vdc8563->state));
|
|
||||||
device->save_item(NAME(vdc8563->index));
|
|
||||||
|
|
||||||
device->save_item(NAME(vdc8563->addr));
|
|
||||||
device->save_item(NAME(vdc8563->src));
|
|
||||||
|
|
||||||
device->save_item(NAME(vdc8563->videoram_start));
|
|
||||||
device->save_item(NAME(vdc8563->colorram_start));
|
|
||||||
device->save_item(NAME(vdc8563->fontram_start));
|
|
||||||
device->save_item(NAME(vdc8563->videoram_size));
|
|
||||||
|
|
||||||
device->save_item(NAME(vdc8563->rastering));
|
|
||||||
|
|
||||||
device->save_item(NAME(vdc8563->fontdirty));
|
|
||||||
|
|
||||||
device->save_item(NAME(vdc8563->cursor_time));
|
|
||||||
device->save_item(NAME(vdc8563->cursor_on));
|
|
||||||
|
|
||||||
device->save_item(NAME(vdc8563->changed));
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static DEVICE_RESET( vdc8563 )
|
|
||||||
{
|
|
||||||
vdc8563_state *vdc8563 = get_safe_token(device);
|
|
||||||
|
|
||||||
memset(vdc8563->reg, 0, ARRAY_LENGTH(vdc8563->reg));
|
|
||||||
memset(vdc8563->fontdirty, 0, ARRAY_LENGTH(vdc8563->fontdirty));
|
|
||||||
|
|
||||||
vdc8563->cursor_time = 0.0;
|
|
||||||
vdc8563->state = 1;
|
|
||||||
|
|
||||||
vdc8563->index = 0;
|
|
||||||
vdc8563->addr = 0;
|
|
||||||
vdc8563->src = 0;
|
|
||||||
vdc8563->videoram_start = 0;
|
|
||||||
vdc8563->colorram_start = 0;
|
|
||||||
vdc8563->fontram_start = 0;
|
|
||||||
vdc8563->videoram_size = 0;
|
|
||||||
vdc8563->rastering = 1;
|
|
||||||
vdc8563->cursor_on = 0;
|
|
||||||
vdc8563->changed = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
const device_type VDC8563 = &device_creator<vdc8563_device>;
|
|
||||||
|
|
||||||
vdc8563_device::vdc8563_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
|
|
||||||
: device_t(mconfig, VDC8563, "8563 / 8568 VDC", tag, owner, clock)
|
|
||||||
{
|
|
||||||
m_token = global_alloc_clear(vdc8563_state);
|
|
||||||
}
|
|
||||||
|
|
||||||
//-------------------------------------------------
|
|
||||||
// device_config_complete - perform any
|
|
||||||
// operations now that the configuration is
|
|
||||||
// complete
|
|
||||||
//-------------------------------------------------
|
|
||||||
|
|
||||||
void vdc8563_device::device_config_complete()
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
//-------------------------------------------------
|
|
||||||
// device_start - device-specific startup
|
|
||||||
//-------------------------------------------------
|
|
||||||
|
|
||||||
void vdc8563_device::device_start()
|
|
||||||
{
|
|
||||||
DEVICE_START_NAME( vdc8563 )(this);
|
|
||||||
}
|
|
||||||
|
|
||||||
//-------------------------------------------------
|
|
||||||
// device_reset - device-specific reset
|
|
||||||
//-------------------------------------------------
|
|
||||||
|
|
||||||
void vdc8563_device::device_reset()
|
|
||||||
{
|
|
||||||
DEVICE_RESET_NAME( vdc8563 )(this);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
@ -1,66 +0,0 @@
|
|||||||
/*****************************************************************************
|
|
||||||
*
|
|
||||||
* video/vdc8563.h
|
|
||||||
*
|
|
||||||
* CBM Video Device Chip 8563
|
|
||||||
*
|
|
||||||
* peter.trauner@jk.uni-linz.ac.at, 2000
|
|
||||||
*
|
|
||||||
****************************************************************************/
|
|
||||||
|
|
||||||
#ifndef __VDC8563_H__
|
|
||||||
#define __VDC8563_H__
|
|
||||||
|
|
||||||
#include "devcb.h"
|
|
||||||
|
|
||||||
|
|
||||||
/***************************************************************************
|
|
||||||
TYPE DEFINITIONS
|
|
||||||
***************************************************************************/
|
|
||||||
|
|
||||||
struct vdc8563_interface
|
|
||||||
{
|
|
||||||
const char *screen;
|
|
||||||
int ram16konly;
|
|
||||||
};
|
|
||||||
|
|
||||||
/***************************************************************************
|
|
||||||
DEVICE CONFIGURATION MACROS
|
|
||||||
***************************************************************************/
|
|
||||||
|
|
||||||
class vdc8563_device : public device_t
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
vdc8563_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
|
||||||
~vdc8563_device() { global_free(m_token); }
|
|
||||||
|
|
||||||
// access to legacy token
|
|
||||||
void *token() const { assert(m_token != NULL); return m_token; }
|
|
||||||
protected:
|
|
||||||
// device-level overrides
|
|
||||||
virtual void device_config_complete();
|
|
||||||
virtual void device_start();
|
|
||||||
virtual void device_reset();
|
|
||||||
private:
|
|
||||||
// internal state
|
|
||||||
void *m_token;
|
|
||||||
};
|
|
||||||
|
|
||||||
extern const device_type VDC8563;
|
|
||||||
|
|
||||||
|
|
||||||
#define MCFG_VDC8563_ADD(_tag, _interface) \
|
|
||||||
MCFG_DEVICE_ADD(_tag, VDC8563, 0) \
|
|
||||||
MCFG_DEVICE_CONFIG(_interface)
|
|
||||||
|
|
||||||
|
|
||||||
/*----------- defined in video/vdc8563.c -----------*/
|
|
||||||
|
|
||||||
void vdc8563_set_rastering(device_t *device, int on);
|
|
||||||
UINT32 vdc8563_video_update(device_t *device, bitmap_ind16 &bitmap, const rectangle &cliprect);
|
|
||||||
|
|
||||||
DECLARE_WRITE8_DEVICE_HANDLER( vdc8563_port_w );
|
|
||||||
DECLARE_READ8_DEVICE_HANDLER( vdc8563_port_r );
|
|
||||||
|
|
||||||
|
|
||||||
#endif /* __VDC8563_H__ */
|
|
||||||
File diff suppressed because it is too large
Load Diff
@ -1,182 +0,0 @@
|
|||||||
/*****************************************************************************
|
|
||||||
*
|
|
||||||
* video/vic6567.h
|
|
||||||
*
|
|
||||||
****************************************************************************/
|
|
||||||
|
|
||||||
#ifndef __VIC6567_H__
|
|
||||||
#define __VIC6567_H__
|
|
||||||
|
|
||||||
#include "devcb.h"
|
|
||||||
|
|
||||||
|
|
||||||
/***************************************************************************
|
|
||||||
TYPE DEFINITIONS
|
|
||||||
***************************************************************************/
|
|
||||||
|
|
||||||
enum vic2_type
|
|
||||||
{
|
|
||||||
VIC6567, // VIC II NTSC
|
|
||||||
VIC6569, // VIC II PAL
|
|
||||||
VIC8564, // VIC IIe NTSC
|
|
||||||
VIC8566 // VIC IIe PAL
|
|
||||||
};
|
|
||||||
|
|
||||||
struct vic2_interface
|
|
||||||
{
|
|
||||||
const char *screen;
|
|
||||||
const char *cpu;
|
|
||||||
|
|
||||||
vic2_type type;
|
|
||||||
|
|
||||||
devcb_read8 in_x_cb;
|
|
||||||
devcb_read8 in_y_cb;
|
|
||||||
devcb_read8 in_button_cb;
|
|
||||||
|
|
||||||
devcb_read8 in_dma_read_cb;
|
|
||||||
devcb_read8 in_dma_read_color_cb;
|
|
||||||
devcb_write_line out_irq_cb;
|
|
||||||
|
|
||||||
devcb_read8 in_rdy_cb;
|
|
||||||
};
|
|
||||||
|
|
||||||
/***************************************************************************
|
|
||||||
CONSTANTS
|
|
||||||
***************************************************************************/
|
|
||||||
|
|
||||||
#define VIC6566_CLOCK (XTAL_8MHz / 8) // 1000000
|
|
||||||
#define VIC6567R56A_CLOCK (XTAL_8MHz / 8) // 1000000
|
|
||||||
#define VIC6567_CLOCK (XTAL_14_31818MHz / 14) // 1022727
|
|
||||||
#define VIC6569_CLOCK (XTAL_17_734472MHz / 18) // 985248
|
|
||||||
|
|
||||||
#define VIC6566_DOTCLOCK (VIC6566_CLOCK * 8) // 8000000
|
|
||||||
#define VIC6567R56A_DOTCLOCK (VIC6567R56A_CLOCK * 8) // 8000000
|
|
||||||
#define VIC6567_DOTCLOCK (VIC6567_CLOCK * 8) // 8181818
|
|
||||||
#define VIC6569_DOTCLOCK (VIC6569_CLOCK * 8) // 7881988
|
|
||||||
|
|
||||||
#define VIC6567_CYCLESPERLINE 65
|
|
||||||
#define VIC6569_CYCLESPERLINE 63
|
|
||||||
|
|
||||||
#define VIC6567_LINES 263
|
|
||||||
#define VIC6569_LINES 312
|
|
||||||
|
|
||||||
#define VIC6566_VRETRACERATE ((float)VIC6566_CLOCK / 262 / 64)
|
|
||||||
#define VIC6567R56A_VRETRACERATE ((float)VIC6567R56A_CLOCK / 262 / 64)
|
|
||||||
#define VIC6567_VRETRACERATE ((float)VIC6567_CLOCK / 263 / 65)
|
|
||||||
#define VIC6569_VRETRACERATE ((float)VIC6569_CLOCK / 312 / 63)
|
|
||||||
|
|
||||||
#define VIC6566_HRETRACERATE (VIC6566_CLOCK / VIC6566_CYCLESPERLINE)
|
|
||||||
#define VIC6567_HRETRACERATE (VIC6567_CLOCK / VIC6567_CYCLESPERLINE)
|
|
||||||
#define VIC6569_HRETRACERATE (VIC6569_CLOCK / VIC6569_CYCLESPERLINE)
|
|
||||||
|
|
||||||
#define VIC2_HSIZE 320
|
|
||||||
#define VIC2_VSIZE 200
|
|
||||||
|
|
||||||
#define VIC6567_VISIBLELINES 235
|
|
||||||
#define VIC6569_VISIBLELINES 284
|
|
||||||
|
|
||||||
#define VIC6567_FIRST_DMA_LINE 0x30
|
|
||||||
#define VIC6569_FIRST_DMA_LINE 0x30
|
|
||||||
|
|
||||||
#define VIC6567_LAST_DMA_LINE 0xf7
|
|
||||||
#define VIC6569_LAST_DMA_LINE 0xf7
|
|
||||||
|
|
||||||
#define VIC6567_FIRST_DISP_LINE 0x29
|
|
||||||
#define VIC6569_FIRST_DISP_LINE 0x10
|
|
||||||
|
|
||||||
#define VIC6567_LAST_DISP_LINE (VIC6567_FIRST_DISP_LINE + VIC6567_VISIBLELINES - 1)
|
|
||||||
#define VIC6569_LAST_DISP_LINE (VIC6569_FIRST_DISP_LINE + VIC6569_VISIBLELINES - 1)
|
|
||||||
|
|
||||||
#define VIC6567_RASTER_2_EMU(a) ((a >= VIC6567_FIRST_DISP_LINE) ? (a - VIC6567_FIRST_DISP_LINE) : (a + 222))
|
|
||||||
#define VIC6569_RASTER_2_EMU(a) (a - VIC6569_FIRST_DISP_LINE)
|
|
||||||
|
|
||||||
#define VIC6567_FIRSTCOLUMN 50
|
|
||||||
#define VIC6569_FIRSTCOLUMN 50
|
|
||||||
|
|
||||||
#define VIC6567_VISIBLECOLUMNS 418
|
|
||||||
#define VIC6569_VISIBLECOLUMNS 403
|
|
||||||
|
|
||||||
#define VIC6567_X_2_EMU(a) (a)
|
|
||||||
#define VIC6569_X_2_EMU(a) (a)
|
|
||||||
|
|
||||||
#define VIC6567_STARTVISIBLELINES ((VIC6567_LINES - VIC6567_VISIBLELINES)/2)
|
|
||||||
#define VIC6569_STARTVISIBLELINES 16 /* ((VIC6569_LINES - VIC6569_VISIBLELINES)/2) */
|
|
||||||
|
|
||||||
#define VIC6567_FIRSTRASTERLINE 34
|
|
||||||
#define VIC6569_FIRSTRASTERLINE 0
|
|
||||||
|
|
||||||
#define VIC6567_COLUMNS 512
|
|
||||||
#define VIC6569_COLUMNS 504
|
|
||||||
|
|
||||||
|
|
||||||
#define VIC6567_STARTVISIBLECOLUMNS ((VIC6567_COLUMNS - VIC6567_VISIBLECOLUMNS)/2)
|
|
||||||
#define VIC6569_STARTVISIBLECOLUMNS ((VIC6569_COLUMNS - VIC6569_VISIBLECOLUMNS)/2)
|
|
||||||
|
|
||||||
#define VIC6567_FIRSTRASTERCOLUMNS 412
|
|
||||||
#define VIC6569_FIRSTRASTERCOLUMNS 404
|
|
||||||
|
|
||||||
#define VIC6569_FIRST_X 0x194
|
|
||||||
#define VIC6567_FIRST_X 0x19c
|
|
||||||
|
|
||||||
#define VIC6569_FIRST_VISIBLE_X 0x1e0
|
|
||||||
#define VIC6567_FIRST_VISIBLE_X 0x1e8
|
|
||||||
|
|
||||||
#define VIC6569_MAX_X 0x1f7
|
|
||||||
#define VIC6567_MAX_X 0x1ff
|
|
||||||
|
|
||||||
#define VIC6569_LAST_VISIBLE_X 0x17c
|
|
||||||
#define VIC6567_LAST_VISIBLE_X 0x184
|
|
||||||
|
|
||||||
#define VIC6569_LAST_X 0x193
|
|
||||||
#define VIC6567_LAST_X 0x19b
|
|
||||||
|
|
||||||
|
|
||||||
/***************************************************************************
|
|
||||||
DEVICE CONFIGURATION MACROS
|
|
||||||
***************************************************************************/
|
|
||||||
|
|
||||||
class vic2_device : public device_t
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
vic2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
|
||||||
~vic2_device() { global_free(m_token); }
|
|
||||||
|
|
||||||
// access to legacy token
|
|
||||||
void *token() const { assert(m_token != NULL); return m_token; }
|
|
||||||
protected:
|
|
||||||
// device-level overrides
|
|
||||||
virtual void device_config_complete();
|
|
||||||
virtual void device_start();
|
|
||||||
virtual void device_reset();
|
|
||||||
private:
|
|
||||||
// internal state
|
|
||||||
void *m_token;
|
|
||||||
};
|
|
||||||
|
|
||||||
extern const device_type VIC2;
|
|
||||||
|
|
||||||
|
|
||||||
#define MCFG_VIC2_ADD(_tag, _interface) \
|
|
||||||
MCFG_DEVICE_ADD(_tag, VIC2, 0) \
|
|
||||||
MCFG_DEVICE_CONFIG(_interface)
|
|
||||||
|
|
||||||
|
|
||||||
/*----------- defined in video/vic6567.c -----------*/
|
|
||||||
|
|
||||||
DECLARE_WRITE8_DEVICE_HANDLER ( vic2_port_w );
|
|
||||||
DECLARE_READ8_DEVICE_HANDLER ( vic2_port_r );
|
|
||||||
|
|
||||||
int vic2e_k0_r(device_t *device);
|
|
||||||
int vic2e_k1_r(device_t *device);
|
|
||||||
int vic2e_k2_r(device_t *device);
|
|
||||||
|
|
||||||
void vic2_raster_interrupt_gen( device_t *device );
|
|
||||||
UINT32 vic2_video_update( device_t *device, bitmap_ind16 &bitmap, const rectangle &cliprect );
|
|
||||||
|
|
||||||
|
|
||||||
extern void vic2_set_rastering(device_t *device, int onoff);
|
|
||||||
extern void vic2_lightpen_write(device_t *device, int level);
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
#endif /* __VIC6567_H__ */
|
|
||||||
Loading…
Reference in New Issue
Block a user