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author angelosa <lordkale4@gmail.com>2024-12-08 14:04:29 +0100
committer angelosa <lordkale4@gmail.com>2024-12-08 14:05:45 +0100
commit8dbd36390c8489fa45d5a233e98365fbac5761f2 (patch)
treedae92f10ce4d6d63c90cd225e5f4473dc8b120b6 /src/devices/video/wd90c26.cpp
parent70325b7ad679a5051a1a85ba874f769e0b7c0a0f (diff)
video/pc_vga_paradise.cpp: fetch configuration pins when entering VGA setup mode
* fix macpb180c setting the wrong monitor type on restarts & waking up from sleep mode
Diffstat (limited to 'src/devices/video/wd90c26.cpp')
-rw-r--r--src/devices/video/wd90c26.cpp64
1 files changed, 59 insertions, 5 deletions
diff --git a/src/devices/video/wd90c26.cpp b/src/devices/video/wd90c26.cpp
index da18dce61bf..c46bd4b8eb8 100644
--- a/src/devices/video/wd90c26.cpp
+++ b/src/devices/video/wd90c26.cpp
@@ -14,6 +14,11 @@ TODO:
#include "emu.h"
#include "wd90c26.h"
+#define VERBOSE (LOG_GENERAL)
+//#define LOG_OUTPUT_FUNC osd_printf_info
+#include "logmacro.h"
+
+
DEFINE_DEVICE_TYPE(WD90C26, wd90c26_vga_device, "wd90c26_vga", "Western Digital WD90C26 VGA Controller")
wd90c26_vga_device::wd90c26_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
@@ -33,15 +38,64 @@ wd90c26_vga_device::wd90c26_vga_device(const machine_config &mconfig, const char
void wd90c26_vga_device::crtc_map(address_map &map)
{
wd90c11a_vga_device::crtc_map(map);
-// map(0x31, 0x31) PR18 Flat Panel Status
-// map(0x32, 0x33) PR19/PR1A Flat Panel Control
-// map(0x34, 0x34) PR1B Flat Panel Unlock
+ // PR18 Flat Panel Status
+ map(0x31, 0x31).lrw8(
+ NAME([this] (offs_t offset) {
+ LOG("PR18 Flat Panel Status R\n");
+ return m_pr18_fp_status;
+ }),
+ NAME([this] (offs_t offset, u8 data) {
+ m_pr18_fp_status = data;
+ LOG("PR18 Flat Panel Status W %02x\n", data);
+ })
+ );
+// PR19 Flat Panel Control I / PR1A Flat Panel Control II
+ map(0x32, 0x33).lrw8(
+ NAME([this] (offs_t offset) {
+ LOG("PR%02X Flat Panel Control %s R\n", offset + 0x19, offset ? "II" : "I");
+ return m_fp_control[offset];
+ }),
+ NAME([this] (offs_t offset, u8 data) {
+ m_fp_control[offset] = data;
+ LOG("PR%02X Flat Panel Control %s W %02x\n", offset + 0x19, offset ? "II" : "I", data);
+ })
+ );
+// PR1B Flat Panel Unlock
+ map(0x34, 0x34).lrw8(
+ NAME([this] (offs_t offset) {
+ LOG("PR1B Flat Panel Unlock R\n");
+ return m_pr1b_fp_unlock;
+ }),
+ NAME([this] (offs_t offset, u8 data) {
+ m_pr1b_fp_unlock = data;
+ LOG("PR1B Flat Panel Unlock W %02x\n", data);
+ })
+ );
// map(0x35, 0x35) PR30 Mapping RAM Unlock
// map(0x37, 0x37) PR41 Vertical Expansion Initial Value
// map(0x38, 0x38) PR33 Mapping RAM Address Counter
// map(0x39, 0x39) PR34 Mapping RAM Data
-// map(0x3a, 0x3a) PR35 Mapping RAM Control and Power-Down
-// map(0x3b, 0x3b) PR36 LCD Panel Height Select
+ // PR35 Mapping RAM Control and Power-Down
+ map(0x3a, 0x3a).lrw8(
+ NAME([this] (offs_t offset) {
+ LOG("PR35 Mapping RAM Control and Power-Down R\n");
+ return m_pr35_powerdown;
+ }),
+ NAME([this] (offs_t offset, u8 data) {
+ m_pr35_powerdown = data;
+ LOG("PR35 Mapping RAM Control and Power-Down W %02x\n", data);
+ })
+ );
+ // PR36 LCD Panel Height Select
+ map(0x3b, 0x3b).lrw8(
+ NAME([this] (offs_t offset) {
+ return m_pr36_lcd_height;
+ }),
+ NAME([this] (offs_t offset, u8 data) {
+ m_pr36_lcd_height = data;
+ LOG("PR36 LCD Panel Height W %02x\n", data);
+ })
+ );
// map(0x3c, 0x3c) PR37 Flat Panel Blinking Control
// map(0x3e, 0x3e) PR39 Color LCD Control
// map(0x3f, 0x3f) PR44 Power-Down Memory Refresh Control