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Import backup from 2003-09-12

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This commit is contained in:
Josh Holtrop 2003-09-12 22:00:00 -04:00
parent a40131b163
commit e8b1abb265
3 changed files with 18 additions and 11 deletions
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4
io.asm
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@ -184,10 +184,10 @@ printf_loop:
inc ebx
cmp al, 0
jzfar printf_done
cmp al, '%'
jzfar printf_percent
cmp ecx, 1
jz printf_special
cmp al, '%'
jzfar printf_percent
push eax
call _putc

9
kernel.c
View File

@ -36,10 +36,13 @@ void k_init()
mm_init();
enable_ints();
console_cls();
printf("Memory available to OS: %d MB\n (Bytes: %d)", mm_totalmem/0x100000, mm_totalmem);
printf("Memory available to OS: %d MB (Bytes: %d)\n", mm_totalmem/0x100000, mm_totalmem);
dword key = 0;
for (;;)
printf("%c ", kbdWaitKey());
{
key = kbdWaitKey();
printf("Key %c ", key);
}
/* pageblock *pb = first_pageblock;
for (;;)
{

16
keyboard.c
View File

@ -30,7 +30,7 @@ void isr_keyboard()
outportb(0x61, inState|0x80);
outportb(0x61, inState);
printf("IRQ 1: %x\n", kbdScan);
//printf("IRQ 1: %x\n", kbdScan);
if (kbdScan == 0xFA) //250 //ACKnowledge
{
@ -188,8 +188,8 @@ void isr_keyboard()
}
else
{
kbdBuffer[(kbdBufferStart+kbdBufferLen)%KBD_BUFFER_LENGTH] = (dword) ((kbdFlags << 16) | (kbdScan << 8) | kbdAscii);
kbdBufferLen++;
kbdBuffer[(kbdBufferStart+kbdBufferLen++)%KBD_BUFFER_LENGTH] = (dword) ((kbdFlags << 16) | (kbdScan << 8) | kbdAscii);
// printf("S:%d\tL:%d\tR:%x\n", kbdBufferStart, kbdBufferLen, kbdBuffer[kbdBufferStart]);
}
}
@ -197,7 +197,7 @@ void isr_keyboard()
// if (key == 0xFA) //ACKnowledge
// outportb(0x60, 0x3);
};
}
inline byte switchCase(byte asciiCode)
{
@ -212,8 +212,9 @@ dword kbdGetKey()
{
if (kbdBufferLen == 0) //buffer empty
return 0;
// printf("kbdBufferLen == %d", kbdBufferLen);
dword retVal = kbdBuffer[kbdBufferStart];
printf("S:%d\tE:%d\tR:%x\n", kbdBufferStart, kbdBufferLen, retVal);
//printf("S:%d\tE:%d\tR:%x\n", kbdBufferStart, kbdBufferLen, retVal);
kbdBufferStart++;
kbdBufferLen--;
if (kbdBufferStart == KBD_BUFFER_LENGTH)
@ -224,15 +225,18 @@ dword kbdGetKey()
dword kbdWaitKey()
{
dword retVal = 0;
{
for (;;)
{
retVal = kbdGetKey();
//printf("retVal = %x\n", retVal);
if (retVal != 0)
{
printf("S:%d\tE:%d\tR:%x\n", kbdBufferStart, kbdBufferLen, retVal);
//printf("S:%d\tE:%d\tR:%x\n", kbdBufferStart, kbdBufferLen, retVal);
return retVal;
}
}
}
}
inline void kbd_resetLEDs()