ReactOS 0.4.15-dev-7788-g1ad9096
bootdata.c
Go to the documentation of this file.
1#include "precomp.h"
2
3//
4// Minimal Attribute Controller Registers initialization command stream.
5// Compatible EGA.
6//
8{
9 /* Reset ATC to index mode */
10 IB,
11 VGA_BASE_IO_PORT + ATT_INITIALIZE_PORT_COLOR /* INPUT_STATUS_1_COLOR */,
12
13 /* Write the AC registers */
15 VGA_BASE_IO_PORT + ATT_ADDRESS_PORT /* ATT_DATA_WRITE_PORT */,
16 16, 0, // Values Count and Start Index
17 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, // Palette indices 0-5
18 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, // Palette indices 6-11
19 0x0C, 0x0D, 0x0E, 0x0F, // Palette indices 12-15
20
21 /* Reset ATC to index mode */
22 IB,
23 VGA_BASE_IO_PORT + ATT_INITIALIZE_PORT_COLOR /* INPUT_STATUS_1_COLOR */,
24
25 /* Enable screen and disable palette access */
26 OB,
27 VGA_BASE_IO_PORT + ATT_ADDRESS_PORT /* ATT_DATA_WRITE_PORT */,
29
30 /* End of Stream */
31 EOD
32};
33
34//
35// 640x480 256-color 60Hz mode (BIOS mode 12) set command stream for VGA.
36// Adapted from win32ss/drivers/miniport/vga_new/vgadata.c
37//
39{
40 /* Write the Sequencer Registers */
41 OWM,
43 VGA_NUM_SEQUENCER_PORTS, // Values Count (5)
44 // HI: Value in SEQ_DATA_PORT, LO: Register index in SEQ_ADDRESS_PORT
45 0x0100, // Synchronous reset on
46 0x0101, // 8-Dot Mode
47 0x0F02, // Memory Plane Write Enable on all planes 0-3
48 0x0003, // No character set selected
49 0x0604, // Disable Odd/Even host mem addressing; Enable Extended Memory
50
51 /* Write the Miscellaneous Register */
52 OB,
54 0xE3, // V/H-SYNC polarity, Odd/Even High page select, RAM enable,
55 // I/O Address select (1: color/graphics adapter)
56
57 /* Enable Graphics Mode */
58 OW,
60 // HI: Value in GRAPH_DATA_PORT, LO: Register index in GRAPH_ADDRESS_PORT
61 0x506, // Select A0000h-AFFFFh memory region, Disable Alphanumeric mode
62
63 /* Synchronous reset off */
64 OW,
66 // HI: Value in SEQ_DATA_PORT, LO: Register index in SEQ_ADDRESS_PORT
67 0x0300, // Synchronous reset off (LO: IND_SYNC_RESET, HI: END_SYNC_RESET_VALUE)
68
69 /* Unlock CRTC registers 0-7 */
70 OW,
72 0x511,
73
74 /* Write the CRTC registers */
77 VGA_NUM_CRTC_PORTS, 0, // Values Count (25) and Start Index
78 0x5F, 0x4F, 0x50, 0x82, 0x54, 0x80, 0x0B, 0x3E, 0x00, 0x40, 0x00, 0x00,
79 0x00, 0x00, 0x00, 0x00, 0xEA, 0x8C, 0xDF, 0x28, 0x00, 0xE7, 0x04, 0xE3,
80 0xFF,
81
82 /* Reset ATC to index mode */
83 IB,
84 VGA_BASE_IO_PORT + ATT_INITIALIZE_PORT_COLOR /* INPUT_STATUS_1_COLOR */,
85
86 /* Write the AC registers */
88 VGA_BASE_IO_PORT + ATT_ADDRESS_PORT /* ATT_DATA_WRITE_PORT */,
89 VGA_NUM_ATTRIB_CONT_PORTS, 0, // Values Count (21) and Start Index
90 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, // Palette indices 0-5
91 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, // Palette indices 6-11
92 0x0C, 0x0D, 0x0E, 0x0F, // Palette indices 12-15
93 0x01, 0x00, 0x0F, 0x00, 0x00,
94
95 /* Write the GC registers */
98 VGA_NUM_GRAPH_CONT_PORTS, 0, // Values Count (9) and Start Index
99 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
100 0x05, 0x0F, 0xFF,
101
102 /* Set the PEL mask */
103 OB,
105 0xFF,
106
107 /* Reset ATC to index mode */
108 IB,
109 VGA_BASE_IO_PORT + ATT_INITIALIZE_PORT_COLOR /* INPUT_STATUS_1_COLOR */,
110
111 /* Enable screen and disable palette access */
112 OB,
113 VGA_BASE_IO_PORT + ATT_ADDRESS_PORT /* ATT_DATA_WRITE_PORT */,
115
116 /* End of Stream */
117 EOD
118};
USHORT VGA_640x480[]
Definition: bootdata.c:38
USHORT AT_Initialization[]
Definition: bootdata.c:7
#define ATCOUT
Definition: cmdcnst.h:76
#define INDXOUT
Definition: cmdcnst.h:75
#define OW
Definition: cmdcnst.h:84
#define EOD
Definition: cmdcnst.h:60
#define METAOUT
Definition: cmdcnst.h:62
#define IB
Definition: cmdcnst.h:87
#define OB
Definition: cmdcnst.h:82
#define OWM
Definition: cmdcnst.h:85
#define MISC_OUTPUT_REG_WRITE_PORT
Definition: vga.h:63
#define SEQ_ADDRESS_PORT
Definition: vga.h:69
#define ATT_INITIALIZE_PORT_COLOR
Definition: vga.h:90
#define DAC_PIXEL_MASK_PORT
Definition: vga.h:71
#define VGA_NUM_SEQUENCER_PORTS
Definition: vga.h:208
#define VGA_NUM_ATTRIB_CONT_PORTS
Definition: vga.h:211
#define GRAPH_ADDRESS_PORT
Definition: vga.h:81
#define VGA_NUM_CRTC_PORTS
Definition: vga.h:209
#define CRTC_ADDRESS_PORT_COLOR
Definition: vga.h:84
#define VGA_NUM_GRAPH_CONT_PORTS
Definition: vga.h:210
#define VGA_BASE_IO_PORT
Definition: vga.h:38
#define ATT_ADDRESS_PORT
Definition: vga.h:57
#define VIDEO_ENABLE
Definition: vga.h:134
unsigned short USHORT
Definition: pedump.c:61