add i286x/cpucore.inc

i286x/cpucore.inc

@@ -0,0 +1,62 @@
+
+USE_HIMEM		equ		0x110000
+
+VRAM_STEP		equ		0x100000
+VRAM_B			equ		0x0a8000
+VRAM_R			equ		0x0b0000
+VRAM_G			equ		0x0b8000
+VRAM_E			equ		0x0e0000
+
+VRAM0_B			equ		VRAM_B
+VRAM0_R			equ		VRAM_R
+VRAM0_G			equ		VRAM_G
+VRAM0_E			equ		VRAM_E
+VRAM1_B			equ		VRAM_B + VRAM_STEP
+VRAM1_R			equ		VRAM_R + VRAM_STEP
+VRAM1_G			equ		VRAM_G + VRAM_STEP
+VRAM1_E			equ		VRAM_E + VRAM_STEP
+
+FONT_ADRS		equ		0x110000
+ITF_ADRS		equ		0x1f8000
+
+%macro VRAMPOS	1
+				and		%1, VRAM_STEP | 7fffh
+%endmacro
+
+
+				struc	cpucore_t
+.reg			resw	14
+.es_base		resd	1
+.cs_base		resd	1
+.ss_base		resd	1
+.ds_base		resd	1
+.ss_fix			resd	1
+.ds_fix			resd	1
+.adrsmask		resd	1
+.prefix			resw	1
+.trap			resb	1
+.resetreq		resb	1
+.prefetchque	resd	1
+.GDTR			resb	6
+.MSW			resw	1
+.IDTR			resb	6
+.LDTR			resw	1
+.LDTRC			resb	6
+.TR				resw	1
+.TRC			resb	6
+				resb	2
+
+.cpu_type		resb	1
+.itfbank		resb	1
+.ram_d0			resw	1
+.remainclock	resd	1
+.baseclock		resd	1
+.clock			resd	1
+
+.ext			resd	1
+.extsize		resd	1
+.ems			resd	4
+.repbak			resd	1
+.inport			resd	1
+				endstruc
+