Merge pull request #3466 from 86Box/tc1995

Machine features and fixes:
This commit is contained in:
Miran Grča
2023-07-14 23:15:58 +02:00
committed by GitHub
5 changed files with 425 additions and 343 deletions

View File

@@ -82,7 +82,8 @@
#define KBC_VEN_NCR 0x24
#define KBC_VEN_ALI 0x28
#define KBC_VEN_SIEMENS 0x2c
#define KBC_VEN_MASK 0x3c
#define KBC_VEN_COMPAQ 0x30
#define KBC_VEN_MASK 0x7c
#define FLAG_CLOCK 0x01
#define FLAG_CACHE 0x02
@@ -981,6 +982,8 @@ write64_generic(void *priv, uint8_t val)
} else if (((dev->flags & KBC_TYPE_MASK) >= KBC_TYPE_PS2_1) && ((dev->flags & KBC_TYPE_MASK) < KBC_TYPE_GREEN))
/* (B0 or F0) | (0x08 or 0x0c) */
kbc_delay_to_ob(dev, ((dev->p1 | fixed_bits) & 0xf0) | (((dev->flags & KBC_VEN_MASK) == KBC_VEN_ACER) ? 0x08 : 0x0c), 0, 0x00);
else if (kbc_ven == KBC_VEN_COMPAQ)
kbc_delay_to_ob(dev, dev->p1 | (hasfpu ? 0x00 : 0x04), 0, 0x00);
else
/* (B0 or F0) | (0x04 or 0x44) */
kbc_delay_to_ob(dev, dev->p1 | fixed_bits, 0, 0x00);
@@ -1968,6 +1971,7 @@ kbc_at_init(const device_t *info)
case KBC_VEN_GENERIC:
case KBC_VEN_NCR:
case KBC_VEN_IBM_PS1:
case KBC_VEN_COMPAQ:
dev->write64_ven = write64_generic;
break;
@@ -2141,6 +2145,20 @@ const device_t keyboard_at_ncr_device = {
.config = NULL
};
const device_t keyboard_at_compaq_device = {
.name = "PC/AT Keyboard (Compaq)",
.internal_name = "keyboard_at_compaq",
.flags = DEVICE_KBC,
.local = KBC_TYPE_ISA | KBC_VEN_COMPAQ,
.init = kbc_at_init,
.close = kbc_at_close,
.reset = kbc_at_reset,
{ .available = NULL },
.speed_changed = NULL,
.force_redraw = NULL,
.config = NULL
};
const device_t keyboard_ps2_device = {
.name = "PS/2 Keyboard",
.internal_name = "keyboard_ps2",

View File

@@ -234,6 +234,7 @@ extern const device_t keyboard_at_tg_ami_device;
extern const device_t keyboard_at_toshiba_device;
extern const device_t keyboard_at_olivetti_device;
extern const device_t keyboard_at_ncr_device;
extern const device_t keyboard_at_compaq_device;
extern const device_t keyboard_ps2_device;
extern const device_t keyboard_ps2_ps1_device;
extern const device_t keyboard_ps2_ps1_pci_device;

View File

@@ -544,9 +544,8 @@ extern int machine_at_cmdpc_init(const machine_t *);
extern int machine_at_portableii_init(const machine_t *);
extern int machine_at_portableiii_init(const machine_t *);
extern int machine_at_portableiii386_init(const machine_t *);
#if defined(DEV_BRANCH) && defined(USE_DESKPRO386)
extern int machine_at_deskpro386_init(const machine_t *);
#endif
extern int machine_at_deskpro386_01_1988_init(const machine_t *);
/* m_at_socket4.c */
extern void machine_at_premiere_common_init(const machine_t *, int);

View File

@@ -31,6 +31,7 @@
#include <86box/mem.h>
#include <86box/rom.h>
#include <86box/device.h>
#include <86box/keyboard.h>
#include <86box/fdd.h>
#include <86box/fdc.h>
#include <86box/fdc_ext.h>
@@ -41,22 +42,28 @@
#include <86box/vid_cga.h>
#include <86box/vid_cga_comp.h>
static video_timings_t timing_compaq_plasma = { .type = VIDEO_ISA, .write_b = 8, .write_w = 16, .write_l = 32, .read_b = 8, .read_w = 16, .read_l = 32 };
enum {
COMPAQ_PORTABLEII = 0,
COMPAQ_PORTABLEIII,
COMPAQ_PORTABLEIII386,
COMPAQ_DESKPRO386
COMPAQ_DESKPRO386,
COMPAQ_DESKPRO386_01_1988
};
#define CGA_RGB 0
#define CGA_COMPOSITE 1
#define COMPOSITE_OLD 0
#define COMPOSITE_NEW 1
/*Very rough estimate*/
#define VID_CLOCK (double) (651 * 416 * 60)
static uint8_t cga_crtcmask[32] = {
0xff, 0xff, 0xff, 0xff, 0x7f, 0x1f, 0x7f, 0x7f, 0xf3, 0x1f, 0x7f, 0x1f, 0x3f, 0xff, 0x3f, 0xff,
0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
/* Mapping of attributes to colours */
static uint32_t amber;
static uint32_t black;
@@ -72,6 +79,8 @@ static uint32_t normcols[256][2];
*/
static int8_t cpq_st_display_internal = -1;
static uint8_t mdaattr[256][2][2];
static void
compaq_plasma_display_set(uint8_t internal)
{
@@ -85,21 +94,13 @@ compaq_plasma_display_get(void)
}
typedef struct compaq_plasma_t {
mem_mapping_t plasma_mapping;
cga_t cga;
uint8_t port_23c6;
uint8_t internal_monitor;
uint8_t attrmap; /* Attribute mapping register */
int linepos, displine;
uint8_t *vram;
uint64_t dispontime, dispofftime;
int dispon, fullchange;
uint8_t attrmap;
} compaq_plasma_t;
static uint8_t cga_crtcmask[32] = {
0xff, 0xff, 0xff, 0xff, 0x7f, 0x1f, 0x7f, 0x7f, 0xf3, 0x1f, 0x7f, 0x1f, 0x3f, 0xff, 0x3f, 0xff,
0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static int compaq_machine_type = 0;
/* Compaq Deskpro 386 remaps RAM from 0xA0000-0xFFFFF to 0xFA0000-0xFFFFFF */
static mem_mapping_t ram_mapping;
@@ -121,8 +122,18 @@ compaq_plasma_recalctimings(compaq_plasma_t *self)
disptime = 651;
_dispontime = 640;
_dispofftime = disptime - _dispontime;
self->dispontime = (uint64_t) (_dispontime * (cpuclock / VID_CLOCK) * (double) (1ULL << 32));
self->dispofftime = (uint64_t) (_dispofftime * (cpuclock / VID_CLOCK) * (double) (1ULL << 32));
self->cga.dispontime = (uint64_t) (_dispontime * (cpuclock / VID_CLOCK) * (double) (1ULL << 32));
self->cga.dispofftime = (uint64_t) (_dispofftime * (cpuclock / VID_CLOCK) * (double) (1ULL << 32));
}
static void
compaq_plasma_waitstates(void *p)
{
int ws_array[16] = { 3, 4, 5, 6, 7, 8, 4, 5, 6, 7, 8, 4, 5, 6, 7, 8 };
int ws;
ws = ws_array[cycles & 0xf];
sub_cycles(ws);
}
static void
@@ -130,7 +141,8 @@ compaq_plasma_write(uint32_t addr, uint8_t val, void *priv)
{
compaq_plasma_t *self = (compaq_plasma_t *) priv;
self->vram[addr & 0x7fff] = val;
self->cga.vram[addr & 0x7fff] = val;
compaq_plasma_waitstates(&self->cga);
}
static uint8_t
@@ -139,206 +151,12 @@ compaq_plasma_read(uint32_t addr, void *priv)
compaq_plasma_t *self = (compaq_plasma_t *) priv;
uint8_t ret;
ret = (self->vram[addr & 0x7fff]);
compaq_plasma_waitstates(&self->cga);
ret = (self->cga.vram[addr & 0x7fff]);
return ret;
}
/* Draw a row of text in 80-column mode */
static void
compaq_plasma_text80(compaq_plasma_t *self)
{
uint32_t cols[2];
int c;
uint8_t chr;
uint8_t attr;
int drawcursor;
int cursorline;
int blink;
uint16_t addr;
uint8_t sc;
uint16_t ma = (self->cga.crtc[13] | (self->cga.crtc[12] << 8)) & 0x7fff;
uint16_t ca = (self->cga.crtc[15] | (self->cga.crtc[14] << 8)) & 0x7fff;
sc = (self->displine) & 15;
addr = ((ma & ~1) + (self->displine >> 4) * 80) * 2;
ma += (self->displine >> 4) * 80;
if ((self->cga.crtc[10] & 0x60) == 0x20)
cursorline = 0;
else
cursorline = ((self->cga.crtc[10] & 0x0F) * 2 <= sc) && ((self->cga.crtc[11] & 0x0F) * 2 >= sc);
for (uint8_t x = 0; x < 80; x++) {
chr = self->vram[(addr + 2 * x) & 0x7FFF];
attr = self->vram[(addr + 2 * x + 1) & 0x7FFF];
drawcursor = ((ma == ca) && cursorline && (self->cga.cgamode & 8) && (self->cga.cgablink & 16));
blink = ((self->cga.cgablink & 16) && (self->cga.cgamode & 0x20) && (attr & 0x80) && !drawcursor);
if (self->cga.cgamode & 0x20) { /* Blink */
cols[1] = blinkcols[attr][1];
cols[0] = blinkcols[attr][0];
if (blink)
cols[1] = cols[0];
} else {
cols[1] = normcols[attr][1];
cols[0] = normcols[attr][0];
}
if (drawcursor) {
for (c = 0; c < 8; c++)
((uint32_t *) buffer32->line[self->displine])[(x << 3) + c] = cols[(fontdatm[chr][sc] & (1 << (c ^ 7))) ? 1 : 0] ^ (amber ^ black);
} else {
for (c = 0; c < 8; c++)
((uint32_t *) buffer32->line[self->displine])[(x << 3) + c] = cols[(fontdatm[chr][sc] & (1 << (c ^ 7))) ? 1 : 0];
}
++ma;
}
}
/* Draw a row of text in 40-column mode */
static void
compaq_plasma_text40(compaq_plasma_t *self)
{
uint32_t cols[2];
int c;
uint8_t chr;
uint8_t attr;
int drawcursor;
int cursorline;
int blink;
uint16_t addr;
uint8_t sc;
uint16_t ma = (self->cga.crtc[13] | (self->cga.crtc[12] << 8)) & 0x7fff;
uint16_t ca = (self->cga.crtc[15] | (self->cga.crtc[14] << 8)) & 0x7fff;
sc = (self->displine) & 15;
addr = ((ma & ~1) + (self->displine >> 4) * 40) * 2;
ma += (self->displine >> 4) * 40;
if ((self->cga.crtc[10] & 0x60) == 0x20)
cursorline = 0;
else
cursorline = ((self->cga.crtc[10] & 0x0F) * 2 <= sc) && ((self->cga.crtc[11] & 0x0F) * 2 >= sc);
for (uint8_t x = 0; x < 40; x++) {
chr = self->vram[(addr + 2 * x) & 0x7FFF];
attr = self->vram[(addr + 2 * x + 1) & 0x7FFF];
drawcursor = ((ma == ca) && cursorline && (self->cga.cgamode & 8) && (self->cga.cgablink & 16));
blink = ((self->cga.cgablink & 16) && (self->cga.cgamode & 0x20) && (attr & 0x80) && !drawcursor);
if (self->cga.cgamode & 0x20) { /* Blink */
cols[1] = blinkcols[attr][1];
cols[0] = blinkcols[attr][0];
if (blink)
cols[1] = cols[0];
} else {
cols[1] = normcols[attr][1];
cols[0] = normcols[attr][0];
}
if (drawcursor) {
for (c = 0; c < 8; c++) {
((uint32_t *) buffer32->line[self->displine])[(x << 4) + c * 2] = ((uint32_t *) buffer32->line[self->displine])[(x << 4) + c * 2 + 1] = cols[(fontdatm[chr][sc] & (1 << (c ^ 7))) ? 1 : 0] ^ (amber ^ black);
}
} else {
for (c = 0; c < 8; c++) {
((uint32_t *) buffer32->line[self->displine])[(x << 4) + c * 2] = ((uint32_t *) buffer32->line[self->displine])[(x << 4) + c * 2 + 1] = cols[(fontdatm[chr][sc] & (1 << (c ^ 7))) ? 1 : 0];
}
}
++ma;
}
}
/* Draw a line in CGA 640x200 or Compaq Plasma 640x400 mode */
static void
compaq_plasma_cgaline6(compaq_plasma_t *self)
{
uint8_t dat;
uint32_t ink = 0;
uint16_t addr;
uint32_t fg = (self->cga.cgacol & 0x0F) ? amber : black;
uint32_t bg = black;
uint16_t ma = (self->cga.crtc[13] | (self->cga.crtc[12] << 8)) & 0x7fff;
if ((self->cga.crtc[9] == 3) || (self->port_23c6 & 1)) /* 640*400 */ {
addr = ((self->displine) & 1) * 0x2000 + ((self->displine >> 1) & 1) * 0x4000 + (self->displine >> 2) * 80 + ((ma & ~1) << 1);
} else {
addr = ((self->displine >> 1) & 1) * 0x2000 + (self->displine >> 2) * 80 + ((ma & ~1) << 1);
}
for (uint8_t x = 0; x < 80; x++) {
dat = self->vram[addr & 0x7FFF];
addr++;
for (uint8_t c = 0; c < 8; c++) {
ink = (dat & 0x80) ? fg : bg;
if (!(self->cga.cgamode & 8))
ink = black;
((uint32_t *) buffer32->line[self->displine])[x * 8 + c] = ink;
dat <<= 1;
}
}
}
/* Draw a line in CGA 320x200 mode. Here the CGA colours are converted to
* dither patterns: colour 1 to 25% grey, colour 2 to 50% grey */
static void
compaq_plasma_cgaline4(compaq_plasma_t *self)
{
uint8_t dat;
uint8_t pattern;
uint32_t ink0 = 0;
uint32_t ink1 = 0;
uint16_t addr;
uint16_t ma = (self->cga.crtc[13] | (self->cga.crtc[12] << 8)) & 0x7fff;
/* 320*200 */
addr = ((self->displine >> 1) & 1) * 0x2000 + (self->displine >> 2) * 80 + ((ma & ~1) << 1);
for (uint8_t x = 0; x < 80; x++) {
dat = self->vram[addr & 0x7FFF];
addr++;
for (uint8_t c = 0; c < 4; c++) {
pattern = (dat & 0xC0) >> 6;
if (!(self->cga.cgamode & 8))
pattern = 0;
switch (pattern & 3) {
case 0:
ink0 = ink1 = black;
break;
case 1:
if (self->displine & 1) {
ink0 = black;
ink1 = black;
} else {
ink0 = amber;
ink1 = black;
}
break;
case 2:
if (self->displine & 1) {
ink0 = black;
ink1 = amber;
} else {
ink0 = amber;
ink1 = black;
}
break;
case 3:
ink0 = ink1 = amber;
break;
}
((uint32_t *) buffer32->line[self->displine])[x * 8 + 2 * c] = ink0;
((uint32_t *) buffer32->line[self->displine])[x * 8 + 2 * c + 1] = ink1;
dat <<= 2;
}
}
}
static void
compaq_plasma_out(uint16_t addr, uint8_t val, void *priv)
{
@@ -348,7 +166,7 @@ compaq_plasma_out(uint16_t addr, uint8_t val, void *priv)
switch (addr) {
/* Emulated CRTC, register select */
case 0x3d4:
self->cga.crtcreg = val & 31;
cga_out(addr, val, &self->cga);
break;
/* Emulated CRTC, value */
@@ -366,33 +184,26 @@ compaq_plasma_out(uint16_t addr, uint8_t val, void *priv)
if (old != val) {
if (self->cga.crtcreg < 0xe || self->cga.crtcreg > 0x10) {
self->fullchange = changeframecount;
self->cga.fullchange = changeframecount;
compaq_plasma_recalctimings(self);
}
}
break;
case 0x3d8:
self->cga.cgamode = val;
break;
case 0x3d9:
self->cga.cgacol = val;
cga_out(addr, val, &self->cga);
break;
case 0x13c6:
if (val & 8)
compaq_plasma_display_set(1);
else
compaq_plasma_display_set(0);
compaq_plasma_display_set((val & 8) ? 1 : 0);
break;
case 0x23c6:
self->port_23c6 = val;
if (val & 8) /* Disable internal CGA */
mem_mapping_disable(&self->plasma_mapping);
mem_mapping_disable(&self->cga.mapping);
else
mem_mapping_enable(&self->plasma_mapping);
mem_mapping_enable(&self->cga.mapping);
break;
}
}
@@ -405,31 +216,38 @@ compaq_plasma_in(uint16_t addr, void *priv)
switch (addr) {
case 0x3d4:
ret = self->cga.crtcreg;
case 0x3da:
ret = cga_in(addr, &self->cga);
break;
case 0x3d5:
if (self->cga.crtcreg == 0x12) {
ret = self->attrmap & 0x0F;
ret = self->attrmap & 0x0f;
if (self->internal_monitor)
ret |= 0x30; /* Plasma / CRT */
} else
ret = self->cga.crtc[self->cga.crtcreg];
break;
case 0x3da:
ret = self->cga.cgastat;
ret = cga_in(addr, &self->cga);
break;
case 0x13c6:
if (compaq_plasma_display_get())
ret = 8;
else
ret = 0;
ret = compaq_plasma_display_get() ? 8 : 0;
ret |= 4;
break;
case 0x1bc6:
ret = 0;
if (compaq_plasma_display_get()) {
if ((self->cga.cgamode & 0x12) == 0x12) {
if (self->port_23c6 & 8)
ret |= 0x40;
else
ret |= 0x20;
}
}
break;
case 0x23c6:
ret = self->port_23c6;
ret = 0;
break;
}
@@ -440,56 +258,243 @@ static void
compaq_plasma_poll(void *p)
{
compaq_plasma_t *self = (compaq_plasma_t *) p;
uint8_t chr, attr;
uint8_t sc;
uint16_t ma = (self->cga.crtc[13] | (self->cga.crtc[12] << 8)) & 0x7fff;
uint16_t ca = (self->cga.crtc[15] | (self->cga.crtc[14] << 8)) & 0x7fff;
uint16_t dat;
uint16_t addr;
int drawcursor;
int x, c;
int cursorline;
int blink = 0;
int underline = 0;
uint32_t ink = 0;
uint32_t fg = (self->cga.cgacol & 0x0f) ? amber : black;
uint32_t bg = black;
uint32_t cols[2];
uint8_t dat2, pattern;
uint32_t ink0 = 0, ink1 = 0;
/* Switch between internal plasma and external CRT display. */
if (cpq_st_display_internal != -1 && cpq_st_display_internal != self->internal_monitor) {
if ((cpq_st_display_internal != -1) && (cpq_st_display_internal != self->internal_monitor)) {
self->internal_monitor = cpq_st_display_internal;
compaq_plasma_recalctimings(self);
}
/* graphic mode and not mode 40h */
if (!self->internal_monitor && !(self->port_23c6 & 1)) {
cga_poll(&self->cga);
return;
}
if (!self->linepos) {
timer_advance_u64(&self->cga.timer, self->dispofftime);
/* mode 40h or text mode */
if (!self->cga.linepos) {
timer_advance_u64(&self->cga.timer, self->cga.dispofftime);
self->cga.cgastat |= 1;
self->linepos = 1;
if (self->dispon) {
if (self->displine == 0)
self->cga.linepos = 1;
if (self->cga.cgadispon) {
if (self->cga.displine == 0) {
video_wait_for_buffer();
}
if (self->cga.cgamode & 2) {
if (self->cga.cgamode & 0x10) {
/* 640x400 mode */
if (self->port_23c6 & 1) /* 640*400 */ {
addr = ((self->cga.displine) & 1) * 0x2000 + ((self->cga.displine >> 1) & 1) * 0x4000 + (self->cga.displine >> 2) * 80 + ((ma & ~1) << 1);
} else {
addr = ((self->cga.displine >> 1) & 1) * 0x2000 + (self->cga.displine >> 2) * 80 + ((ma & ~1) << 1);
}
for (x = 0; x < 80; x++) {
dat2 = self->cga.vram[(addr & 0x7FFF)];
addr++;
/* Graphics */
if (self->cga.cgamode & 0x02) {
if (self->cga.cgamode & 0x10)
compaq_plasma_cgaline6(self);
for (c = 0; c < 8; c++) {
ink = (dat2 & 0x80) ? fg : bg;
if (!(self->cga.cgamode & 8))
ink = black;
((uint32_t *) buffer32->line[self->cga.displine])[x * 8 + c] = ink;
dat2 <<= 1;
}
}
} else {
addr = ((self->cga.displine >> 1) & 1) * 0x2000 + (self->cga.displine >> 2) * 80 + ((ma & ~1) << 1);
for (x = 0; x < 80; x++) {
dat2 = self->cga.vram[(addr & 0x7fff)];
addr++;
for (c = 0; c < 4; c++) {
pattern = (dat2 & 0xC0) >> 6;
if (!(self->cga.cgamode & 8))
pattern = 0;
switch (pattern & 3) {
case 0:
ink0 = ink1 = black;
break;
case 1:
if (self->cga.displine & 1) {
ink0 = black;
ink1 = black;
} else {
ink0 = amber;
ink1 = black;
}
break;
case 2:
if (self->cga.displine & 1) {
ink0 = black;
ink1 = amber;
} else {
ink0 = amber;
ink1 = black;
}
break;
case 3:
ink0 = ink1 = amber;
break;
}
buffer32->line[self->cga.displine][x * 8 + 2 * c] = ink0;
buffer32->line[self->cga.displine][x * 8 + 2 * c + 1] = ink1;
dat2 <<= 2;
}
}
}
} else if (self->cga.cgamode & 1) {
/* 80-col */
sc = self->cga.displine & 0x0f;
addr = ((ma & ~1) + (self->cga.displine >> 4) * 80) * 2;
ma += (self->cga.displine >> 4) * 80;
if ((self->cga.crtc[0x0a] & 0x60) == 0x20)
cursorline = 0;
else
compaq_plasma_cgaline4(self);
} else if (self->cga.cgamode & 0x01) /* High-res text */
compaq_plasma_text80(self);
else
compaq_plasma_text40(self);
cursorline = ((self->cga.crtc[0x0a] & 0x0f) * 2 <= sc) && ((self->cga.crtc[0x0b] & 0x0F) * 2 >= sc);
/* for each text column */
for (x = 0; x < 80; x++) {
/* video output enabled */
if (self->cga.cgamode & 8) {
chr = self->cga.vram[(addr + 2 * x) & 0x7fff];
attr = self->cga.vram[(addr + 2 * x + 1) & 0x7fff];
} else
chr = attr = 0;
/* check if cursor has to be drawn */
drawcursor = ((ma == ca) && cursorline && self->cga.cursoron);
underline = ((self->port_23c6 & 0x40) && (attr & 0x1) && !(attr & 0x6));
if (underline) {
/* set forecolor to white */
attr |= 7;
}
blink = 0;
/* blink active */
if (self->cga.cgamode & 0x20) {
cols[1] = blinkcols[attr][1];
cols[0] = blinkcols[attr][0];
/* attribute 7 active and not cursor */
if ((self->cga.cgablink & 8) && (attr & 0x80) && !self->cga.drawcursor) {
/* set blinking */
cols[1] = cols[0];
blink = 1;
}
} else {
/* Set intensity bit */
cols[1] = normcols[attr][1];
cols[0] = normcols[attr][0];
blink = (attr & 0x80) * 8 + 7 + 16;
}
/* character underline active and 7th row of pixels in character height being drawn */
if (underline && (sc == 7)) {
/* for each pixel in character width */
for (c = 0; c < 8; c++)
buffer32->line[self->cga.displine][(x << 3) + c] = mdaattr[attr][blink][1];
} else if (drawcursor) {
for (c = 0; c < 8; c++)
buffer32->line[self->cga.displine][(x << 3) + c] = cols[(fontdatm[chr + self->cga.fontbase][sc] & (1 << (c ^ 7))) ? 1 : 0] ^ (amber ^ black);
} else {
for (c = 0; c < 8; c++)
buffer32->line[self->cga.displine][(x << 3) + c] = cols[(fontdatm[chr + self->cga.fontbase][sc] & (1 << (c ^ 7))) ? 1 : 0];
}
++ma;
}
} else { /* 40-col */
sc = self->cga.displine & 0x0f;
addr = ((ma & ~1) + (self->cga.displine >> 4) * 40) * 2;
ma += (self->cga.displine >> 4) * 40;
if ((self->cga.crtc[0x0a] & 0x60) == 0x20)
cursorline = 0;
else
cursorline = ((self->cga.crtc[0x0a] & 0x0f) * 2 <= sc) && ((self->cga.crtc[0x0b] & 0x0F) * 2 >= sc);
for (x = 0; x < 40; x++) {
if (self->cga.cgamode & 8) {
chr = self->cga.vram[(addr + 2 * x) & 0x7fff];
attr = self->cga.vram[(addr + 2 * x + 1) & 0x7fff];
} else {
chr = attr = 0;
}
drawcursor = ((ma == ca) && cursorline && self->cga.cursoron);
underline = ((self->port_23c6 & 0x40) && (attr & 0x1) && !(attr & 0x6));
if (underline) {
/* set forecolor to white */
attr |= 7;
}
blink = 0;
/* blink active */
if (self->cga.cgamode & 0x20) {
cols[1] = blinkcols[attr][1];
cols[0] = blinkcols[attr][0];
/* attribute 7 active and not cursor */
if ((self->cga.cgablink & 8) && (attr & 0x80) && !self->cga.drawcursor) {
/* set blinking */
cols[1] = cols[0];
blink = 1;
}
} else {
/* Set intensity bit */
cols[1] = normcols[attr][1];
cols[0] = normcols[attr][0];
blink = (attr & 0x80) * 8 + 7 + 16;
}
/* character underline active and 7th row of pixels in character height being drawn */
if (underline && (sc == 7)) {
/* for each pixel in character width */
for (c = 0; c < 8; c++)
buffer32->line[self->cga.displine][(x << 4) + (c * 2)] = buffer32->line[self->cga.displine][(x << 4) + (c * 2) + 1] = mdaattr[attr][blink][1];
} else if (drawcursor) {
for (c = 0; c < 8; c++) {
buffer32->line[self->cga.displine][(x << 4) + c * 2] = buffer32->line[self->cga.displine][(x << 4) + c * 2 + 1] = cols[(fontdatm[chr][sc] & (1 << (c ^ 7))) ? 1 : 0] ^ (amber ^ black);
}
} else {
for (c = 0; c < 8; c++) {
buffer32->line[self->cga.displine][(x << 4) + c * 2] = buffer32->line[self->cga.displine][(x << 4) + c * 2 + 1] = cols[(fontdatm[chr][sc] & (1 << (c ^ 7))) ? 1 : 0];
}
}
++ma;
}
}
}
self->displine++;
self->cga.displine++;
/* Hardcode a fixed refresh rate and VSYNC timing */
if (self->displine == 400) { /* Start of VSYNC */
if (self->cga.displine == 400) { /* Start of VSYNC */
self->cga.cgastat |= 8;
self->dispon = 0;
self->cga.cgadispon = 0;
}
if (self->displine == 416) { /* End of VSYNC */
self->displine = 0;
if (self->cga.displine == 416) { /* End of VSYNC */
self->cga.displine = 0;
self->cga.cgastat &= ~8;
self->dispon = 1;
self->cga.cgadispon = 1;
}
} else {
if (self->dispon)
if (self->cga.cgadispon)
self->cga.cgastat &= ~1;
timer_advance_u64(&self->cga.timer, self->dispontime);
self->linepos = 0;
timer_advance_u64(&self->cga.timer, self->cga.dispontime);
self->cga.linepos = 0;
if (self->displine == 400) {
if (self->cga.displine == 400) {
/* Hardcode 640x400 window size */
if ((640 != xsize) || (400 != ysize) || video_force_resize_get()) {
xsize = 640;
@@ -515,14 +520,41 @@ compaq_plasma_poll(void *p)
video_bpp = 1;
else
video_bpp = 2;
} else
video_bpp = 0;
self->cga.cgablink++;
}
}
}
static void
compaq_plasma_mdaattr_rebuild(void)
{
int c;
for (c = 0; c < 256; c++) {
mdaattr[c][0][0] = mdaattr[c][1][0] = mdaattr[c][1][1] = 16;
if (c & 8)
mdaattr[c][0][1] = 15 + 16;
else
mdaattr[c][0][1] = 7 + 16;
}
mdaattr[0x70][0][1] = 16;
mdaattr[0x70][0][0] = mdaattr[0x70][1][0] = mdaattr[0x70][1][1] = 16 + 15;
mdaattr[0xF0][0][1] = 16;
mdaattr[0xF0][0][0] = mdaattr[0xF0][1][0] = mdaattr[0xF0][1][1] = 16 + 15;
mdaattr[0x78][0][1] = 16 + 7;
mdaattr[0x78][0][0] = mdaattr[0x78][1][0] = mdaattr[0x78][1][1] = 16 + 15;
mdaattr[0xF8][0][1] = 16 + 7;
mdaattr[0xF8][0][0] = mdaattr[0xF8][1][0] = mdaattr[0xF8][1][1] = 16 + 15;
mdaattr[0x00][0][1] = mdaattr[0x00][1][1] = 16;
mdaattr[0x08][0][1] = mdaattr[0x08][1][1] = 16;
mdaattr[0x80][0][1] = mdaattr[0x80][1][1] = 16;
mdaattr[0x88][0][1] = mdaattr[0x88][1][1] = 16;
}
static void
compaq_plasma_recalcattrs(compaq_plasma_t *self)
{
@@ -537,10 +569,10 @@ compaq_plasma_recalcattrs(compaq_plasma_t *self)
* are bold */
/* Set up colours */
amber = makecol(0xff, 0x7D, 0x00);
black = makecol(0x64, 0x19, 0x00);
amber = makecol(0xff, 0x7d, 0x00);
black = makecol(0x64, 0x0c, 0x00);
/* Initialise the attribute mapping. Start by defaulting everything
/* Initialize the attribute mapping. Start by defaulting everything
* to black on amber, and with bold set by bit 3 */
for (n = 0; n < 256; n++) {
blinkcols[n][0] = normcols[n][0] = amber;
@@ -607,36 +639,37 @@ compaq_plasma_recalcattrs(compaq_plasma_t *self)
static void *
compaq_plasma_init(const device_t *info)
{
int display_type;
compaq_plasma_t *self = malloc(sizeof(compaq_plasma_t));
memset(self, 0, sizeof(compaq_plasma_t));
display_type = device_get_config_int("display_type");
self->cga.composite = (display_type != CGA_RGB);
self->cga.revision = device_get_config_int("composite_type");
video_inform(VIDEO_FLAG_TYPE_CGA, &timing_compaq_plasma);
loadfont_ex("roms/machines/portableiii/K Combined.bin", 1, 0x4bb2);
self->vram = malloc(0x8000);
self->cga.composite = 0;
self->cga.revision = 0;
self->cga.vram = malloc(0x8000);
self->internal_monitor = 1;
cga_comp_init(self->cga.revision);
timer_add(&self->cga.timer, compaq_plasma_poll, self, 1);
mem_mapping_add(&self->plasma_mapping, 0xb8000, 0x08000, compaq_plasma_read, NULL, NULL, compaq_plasma_write, NULL, NULL, NULL /*self->cga.vram*/, MEM_MAPPING_EXTERNAL, self);
mem_mapping_add(&self->cga.mapping, 0xb8000, 0x08000, compaq_plasma_read, NULL, NULL, compaq_plasma_write, NULL, NULL, NULL /*self->cga.vram*/, MEM_MAPPING_EXTERNAL, self);
io_sethandler(0x03d0, 0x0010, compaq_plasma_in, NULL, NULL, compaq_plasma_out, NULL, NULL, self);
io_sethandler(0x13c6, 0x0001, compaq_plasma_in, NULL, NULL, compaq_plasma_out, NULL, NULL, self);
io_sethandler(0x1bc6, 0x0001, compaq_plasma_in, NULL, NULL, compaq_plasma_out, NULL, NULL, self);
io_sethandler(0x23c6, 0x0001, compaq_plasma_in, NULL, NULL, compaq_plasma_out, NULL, NULL, self);
/* Default attribute mapping is 4 */
self->attrmap = 4;
compaq_plasma_recalcattrs(self);
self->cga.cgastat = 0xF4;
self->cga.vram = self->vram;
self->cga.cgastat = 0xf4;
overscan_x = overscan_y = 16;
self->cga.rgb_type = device_get_config_int("rgb_type");
cga_palette = (self->cga.rgb_type << 1);
cgapal_rebuild();
compaq_plasma_mdaattr_rebuild();
return self;
}
@@ -646,8 +679,7 @@ compaq_plasma_close(void *p)
{
compaq_plasma_t *self = (compaq_plasma_t *) p;
free(self->vram);
free(self->cga.vram);
free(self);
}
@@ -661,38 +693,10 @@ compaq_plasma_speed_changed(void *p)
const device_config_t compaq_plasma_config[] = {
// clang-format off
{
.name = "display_type",
.description = "Display type",
.type = CONFIG_SELECTION,
.default_string = "",
.default_int = CGA_RGB,
.file_filter = "",
.spinner = { 0 },
.selection = {
{ .description = "RGB", .value = CGA_RGB },
{ .description = "Composite", .value = CGA_COMPOSITE },
{ .description = "" }
}
},
{
.name = "composite_type",
.description = "Composite type",
.type = CONFIG_SELECTION,
.default_string = "",
.default_int = COMPOSITE_OLD,
.file_filter = "",
.spinner = { 0 },
{
{ .description = "Old", .value = COMPOSITE_OLD },
{ .description = "New", .value = COMPOSITE_NEW },
{ .description = "" }
}
},
{
.name = "rgb_type",
.description = "RGB type",
.type = CONFIG_SELECTION,
.description = "RGB type",
.type = CONFIG_SELECTION,
.default_string = "",
.default_int = 0,
.file_filter = "",
@@ -702,7 +706,6 @@ const device_config_t compaq_plasma_config[] = {
{ .description = "Green Monochrome", .value = 1 },
{ .description = "Amber Monochrome", .value = 2 },
{ .description = "Gray Monochrome", .value = 3 },
{ .description = "Color (no brown)", .value = 4 },
{ .description = "" }
}
},
@@ -781,26 +784,36 @@ write_raml(uint32_t addr, uint32_t val, void *priv)
static void
machine_at_compaq_init(const machine_t *model, int type)
{
if (type != COMPAQ_DESKPRO386)
compaq_machine_type = type;
if ((type != COMPAQ_DESKPRO386) && (type != COMPAQ_DESKPRO386_01_1988))
mem_remap_top(384);
if (fdc_type == FDC_INTERNAL)
device_add(&fdc_at_device);
mem_mapping_add(&ram_mapping, 0xfa0000, 0x60000,
read_ram, read_ramw, read_raml,
write_ram, write_ramw, write_raml,
0xa0000 + ram, MEM_MAPPING_INTERNAL, NULL);
if ((type == COMPAQ_DESKPRO386) || (type == COMPAQ_DESKPRO386_01_1988) || (type == COMPAQ_PORTABLEIII386))
mem_mapping_add(&ram_mapping, 0xfa0000, 0x60000,
read_ram, read_ramw, read_raml,
write_ram, write_ramw, write_raml,
0xa0000 + ram, MEM_MAPPING_EXTERNAL, NULL);
else
mem_mapping_add(&ram_mapping, 0xfa0000, 0x60000,
read_ram, read_ramw, read_raml,
write_ram, write_ramw, write_raml,
0xa0000 + ram, MEM_MAPPING_INTERNAL, NULL);
video_reset(gfxcard[0]);
switch (type) {
case COMPAQ_PORTABLEII:
machine_at_init(model);
break;
case COMPAQ_PORTABLEIII:
if (gfxcard[0] == VID_INTERNAL)
device_add(&compaq_plasma_device);
machine_at_init(model);
break;
case COMPAQ_PORTABLEIII386:
@@ -808,15 +821,17 @@ machine_at_compaq_init(const machine_t *model, int type)
device_add(&ide_isa_device);
if (gfxcard[0] == VID_INTERNAL)
device_add(&compaq_plasma_device);
machine_at_init(model);
break;
case COMPAQ_DESKPRO386:
case COMPAQ_DESKPRO386_01_1988:
if (hdc_current == 1)
device_add(&ide_isa_device);
machine_at_common_init(model);
device_add(&keyboard_at_compaq_device);
break;
}
machine_at_init(model);
}
int
@@ -841,9 +856,9 @@ machine_at_portableiii_init(const machine_t *model)
{
int ret;
ret = bios_load_interleavedr("roms/machines/portableiii/Compaq Portable III - BIOS - 106779-002 - Even.bin",
"roms/machines/portableiii/Compaq Portable III - BIOS - 106778-002 - Odd.bin",
0x000f8000, 65536, 0);
ret = bios_load_linearr("roms/machines/portableiii/K Combined.bin",
0x000f8000, 65536, 0);
if (bios_only || !ret)
return ret;
@@ -858,9 +873,8 @@ machine_at_portableiii386_init(const machine_t *model)
{
int ret;
ret = bios_load_interleavedr("roms/machines/portableiii/Compaq Portable III - BIOS - 106779-002 - Even.bin",
"roms/machines/portableiii/Compaq Portable III - BIOS - 106778-002 - Odd.bin",
0x000f8000, 65536, 0);
ret = bios_load_linearr("roms/machines/portableiii/K Combined.bin",
0x000f8000, 65536, 0);
if (bios_only || !ret)
return ret;
@@ -870,14 +884,13 @@ machine_at_portableiii386_init(const machine_t *model)
return ret;
}
#if defined(DEV_BRANCH) && defined(USE_DESKPRO386)
int
machine_at_deskpro386_init(const machine_t *model)
{
int ret;
ret = bios_load_linearr("roms/machines/deskpro386/1986-09-04-HI.json.bin",
0x000fc000, 65536, 0);
0x000f8000, 65536, 0);
if (bios_only || !ret)
return ret;
@@ -886,4 +899,19 @@ machine_at_deskpro386_init(const machine_t *model)
return ret;
}
#endif
int
machine_at_deskpro386_01_1988_init(const machine_t *model)
{
int ret;
ret = bios_load_linearr("roms/machines/deskpro386/1988-01-28.json.bin",
0x000f8000, 65536, 0);
if (bios_only || !ret)
return ret;
machine_at_compaq_init(model, COMPAQ_DESKPRO386_01_1988);
return ret;
}

View File

@@ -2587,8 +2587,8 @@ const machine_t machines[] = {
.cpu = {
.package = CPU_PKG_286,
.block = CPU_BLOCK_NONE,
.min_bus = 6000000,
.max_bus = 8000000,
.min_bus = 0,
.max_bus = 0,
.min_voltage = 0,
.max_voltage = 0,
.min_multi = 0,
@@ -2904,8 +2904,8 @@ const machine_t machines[] = {
.cpu = {
.package = CPU_PKG_286,
.block = CPU_BLOCK_NONE,
.min_bus = 6000000,
.max_bus = 8000000,
.min_bus = 0,
.max_bus = 0,
.min_voltage = 0,
.max_voltage = 0,
.min_multi = 0,
@@ -2943,8 +2943,8 @@ const machine_t machines[] = {
.cpu = {
.package = CPU_PKG_286,
.block = CPU_BLOCK_NONE,
.min_bus = 6000000,
.max_bus = 8000000,
.min_bus = 0,
.max_bus = 0,
.min_voltage = 0,
.max_voltage = 0,
.min_multi = 0,
@@ -4670,9 +4670,8 @@ const machine_t machines[] = {
.net_device = NULL
},
/* Uses Compaq KBC firmware. */
#if defined(DEV_BRANCH) && defined(USE_DESKPRO386)
{
.name = "[ISA] Compaq Deskpro 386",
.name = "[ISA] Compaq Deskpro 386 (September 1986)",
.internal_name = "deskpro386",
.type = MACHINE_TYPE_386DX,
.chipset = MACHINE_CHIPSET_DISCRETE,
@@ -4692,13 +4691,51 @@ const machine_t machines[] = {
.max_multi = 0
},
.bus_flags = MACHINE_AT,
.flags = MACHINE_IDE | MACHINE_APM,
.flags = MACHINE_IDE,
.ram = {
.min = 1024,
.max = 14336,
.step = 1024
.min = 640,
.max = 16384,
.step = 128
},
.nvrmask = 127,
.nvrmask = 63,
.kbc_device = NULL,
.kbc_p1 = 0,
.gpio = 0,
.device = NULL,
.fdc_device = NULL,
.sio_device = NULL,
.vid_device = NULL,
.snd_device = NULL,
.net_device = NULL
},
{
.name = "[ISA] Compaq Deskpro 386 (January 1988)",
.internal_name = "deskpro386_01_1988",
.type = MACHINE_TYPE_386DX,
.chipset = MACHINE_CHIPSET_DISCRETE,
.init = machine_at_deskpro386_01_1988_init,
.pad = 0,
.pad0 = 0,
.pad1 = MACHINE_AVAILABLE,
.pad2 = 0,
.cpu = {
.package = CPU_PKG_386DX,
.block = CPU_BLOCK_NONE,
.min_bus = 0,
.max_bus = 0,
.min_voltage = 0,
.max_voltage = 0,
.min_multi = 0,
.max_multi = 0
},
.bus_flags = MACHINE_AT,
.flags = MACHINE_IDE,
.ram = {
.min = 640,
.max = 16384,
.step = 128
},
.nvrmask = 63,
.kbc_device = NULL,
.kbc_p1 = 0,
.gpio = 0,
@@ -4709,7 +4746,6 @@ const machine_t machines[] = {
.snd_device = NULL,
.net_device = NULL
},
#endif /* defined(DEV_BRANCH) && defined(USE_DESKPRO386) */
{
.name = "[ISA] Compaq Portable III (386)",
.internal_name = "portableiii386",
@@ -4731,7 +4767,7 @@ const machine_t machines[] = {
.max_multi = 0
},
.bus_flags = MACHINE_AT,
.flags = MACHINE_IDE | MACHINE_VIDEO | MACHINE_APM,
.flags = MACHINE_IDE | MACHINE_VIDEO,
.ram = {
.min = 1024,
.max = 14336,