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Rev 1649 Rev 1694
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#include <as.h>
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#include <as.h>
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#include <ipc/fb.h>
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#include <ipc/fb.h>
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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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#include <ipc/ns.h>
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#include <ipc/ns.h>
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#include <ipc/services.h>
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#include <ipc/services.h>
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#include <libarch/ddi.h>
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#include "ega.h"
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#include "ega.h"
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#include "../console/screenbuffer.h"
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#include "../console/screenbuffer.h"
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#include "main.h"
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#include "main.h"
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#define NORMAL_COLOR       0x0f
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#define NORMAL_COLOR       0x0f
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#define INVERTED_COLOR     0xf0
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#define INVERTED_COLOR     0xf0
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#define EGA_STYLE(fg,bg) ((fg) > (bg) ? NORMAL_COLOR : INVERTED_COLOR)
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#define EGA_STYLE(fg,bg) ((fg) > (bg) ? NORMAL_COLOR : INVERTED_COLOR)
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned int u32;
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/* Allow only 1 connection */
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/* Allow only 1 connection */
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static int client_connected = 0;
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static int client_connected = 0;
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static unsigned int scr_width;
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static unsigned int scr_width;
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static unsigned int scr_height;
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static unsigned int scr_height;
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static char *scr_addr;
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static char *scr_addr;
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static unsigned int style = NORMAL_COLOR;
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static unsigned int style = NORMAL_COLOR;
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static inline void outb(u16 port, u8 b)
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{
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    asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port));
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}
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static inline void outw(u16 port, u16 w)
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{
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    asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port));
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}
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static inline void outl(u16 port, u32 l)
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{
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    asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port));
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}
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static inline u8 inb(u16 port)
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{
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    u8 val;
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    asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port));
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    return val;
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}
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static inline u16 inw(u16 port)
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{
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    u16 val;
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    asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port));
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    return val;
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}
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static inline u32 inl(u16 port)
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{
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    u32 val;
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    asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port));
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    return val;
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}
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static void clrscr(void)
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static void clrscr(void)
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{
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{
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    int i;
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    int i;
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    for (i=0; i < scr_width*scr_height; i++) {
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    for (i=0; i < scr_width*scr_height; i++) {
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    outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff);
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    outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff);
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}
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}
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static void cursor_disable(void)
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static void cursor_disable(void)
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{
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{
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    u8 stat;
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    uint8_t stat;
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    outb(EGA_IO_ADDRESS , 0xa);
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    outb(EGA_IO_ADDRESS , 0xa);
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    stat=inb(EGA_IO_ADDRESS + 1);
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    stat=inb(EGA_IO_ADDRESS + 1);
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    outb(EGA_IO_ADDRESS , 0xa);
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    outb(EGA_IO_ADDRESS , 0xa);
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    outb(EGA_IO_ADDRESS +1 ,stat | (1<<5) );
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    outb(EGA_IO_ADDRESS +1 ,stat | (1<<5) );
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}
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}
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static void cursor_enable(void)
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static void cursor_enable(void)
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{
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{
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    u8 stat;
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    uint8_t stat;
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    outb(EGA_IO_ADDRESS , 0xa);
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    outb(EGA_IO_ADDRESS , 0xa);
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    stat=inb(EGA_IO_ADDRESS + 1);
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    stat=inb(EGA_IO_ADDRESS + 1);
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    outb(EGA_IO_ADDRESS , 0xa);
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    outb(EGA_IO_ADDRESS , 0xa);
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    outb(EGA_IO_ADDRESS +1 ,stat & (~(1<<5)) );
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    outb(EGA_IO_ADDRESS +1 ,stat & (~(1<<5)) );
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}
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}