First commit

2014-01-27 10:02:18 +01:00 · 2014-01-27 10:02:18 +01:00 · 7d6d50e432
commit 7d6d50e432
50 changed files with 5737 additions and 0 deletions
--- a/INTERRPT.ASM
+++ b/INTERRPT.ASM
@ -0,0 +1,171 @@
+;INT 20h --> Process management
+
+InstallInterrupt:
+	push ax
+	push es
+	xor ax,ax
+	mov es,ax
+
+;Installing Interrupt 20h
+	mov ax,offset Int20h
+	mov word ptr es:[20h*4],ax
+	mov ax,cs
+	mov word ptr es:[(20h*4)+2],ax
+
+;Installing Interrupt 21h
+	mov ax,offset Int21h
+	mov word ptr es:[21h*4],ax
+	mov ax,cs
+	mov word ptr es:[(21h*4)+2],ax
+
+;Installing Interrupt 22h
+	mov ax,offset Int22h
+	mov word ptr es:[22h*4],ax
+	mov ax,cs
+	mov word ptr es:[(22h*4+2)],ax
+
+;Installing Interrupt 23h
+	mov ax,offset Int23h
+	mov word ptr es:[23h*4],ax
+	mov ax,cs
+	mov word ptr es:[(23h*4+2)],ax
+
+	pop es
+	pop ax
+
+	ret
+
+;------------------------------------------------------------------------------
+
+Int20h:
+	cmp ah,00h
+	je Int20h_00h
+	cmp ah,01h
+	je Int20h_01h
+	cmp ah,02h
+	je Int20h_02h
+	cmp ah,03h
+	je Int20h_03h
+	cmp ah,04h
+	je Int20h_04h
+	cmp ah,05h
+	je Int20h_05h
+	cmp ah,06h
+	je Int20h_06h
+	cmp ah,07h
+	je Int20h_07h
+	cmp ah,08h
+	je Int20h_08h
+	
+	iret
+
+Int20h_00h:
+	call LoadProgram
+	retf 2
+Int20h_01h:
+	call RunProcess
+	iret
+int20h_02h:
+	call KillProcess
+	iret
+int20h_03h:
+	call GetProcessInfo
+	iret
+int20h_04h:
+	call SetVisibleProcess
+	iret
+int20h_05h:
+	call GoToNextProcess
+	iret
+int20h_06h:
+	call GetNextProcess
+	iret
+Int20h_07h:
+	call LoadComProgram
+	iret
+Int20h_08h:
+	call ExeLoader
+	iret
+
+;------------------------------------------------------------------------------
+
+Int21h:
+	cmp ah,00h
+	je Int21h_00h
+	cmp ah,01h
+	je Int21h_01h
+	cmp ah,02h
+	je Int21h_02h
+	iret
+
+Int21h_00h:
+	call EndSystem
+	iret
+Int21h_01h:
+	call GetError
+	iret
+Int21h_02h:
+	call SetError
+	iret
+
+;------------------------------------------------------------------------------
+
+Int22h:
+	cmp ah,00h
+	je Int22h_00h
+	cmp ah,01h
+	je Int22h_01h
+	cmp ah,02h
+	je Int22h_02h
+	cmp ah,03h
+	je Int22h_03h
+	cmp ah,04h
+	je Int22h_04h
+	cmp ah,05h
+	je Int22h_05h
+
+	iret
+
+Int22h_00h:
+	call Fat12_OpenFile
+	sti
+	retf 2
+Int22h_01h:
+	call Fat12_ReadFile
+	iret
+Int22h_02h:
+	call Fat12_CloseFile
+	iret
+Int22h_03h:
+	call Fat12_ChDir
+	sti
+	retf 2
+Int22h_04h:
+	call Fat12_GetFileSize
+	iret
+Int22h_05h:
+	call Fat12_GetCurrentDirName
+	iret
+
+;------------------------------------------------------------------------------
+
+Int23h:
+	cmp ah,00h
+	je Int23h_00h
+	cmp ah,01h
+	je Int23h_01h
+	cmp ah,02h
+	je Int23h_02h
+	iret
+
+Int23h_00h:
+	call MemAlloc
+	iret
+Int23h_01h:
+	call MemFree
+	iret
+Int23h_02h:
+	call GetFreeMem
+	iret
+
+;------------------------------------------------------------------------------