cos_idt.asm

操作系统实验教程核心技术与编程实例书中地例子代码

; GTIME MODIFIED
IDTSEG      SEGMENT PARA USE16              ;全局描述符表
IDT0        IDT_DESC 8 DUP (<>)                ;00--0D   
IDT08       IDT_DESC <COS_INT08,V_TOS_CODE_SEL,8E00H,0>
IDT09       IDT_DESC 5 DUP (<>)                ;00--0D
IDT0E       IDT_DESC <0,V_TOS_CODE_SEL,8E00H,0>
            IDT_DESC 18 DUP (<>)                ;0F,10--1F,20
                                                ;10,13,16,21 7 BYTES/ONE
IDT21       IDT_DESC <COS_DOSINT21,V_TOS_CODE_SEL,8E00H,0>
            IDT_DESC 94 DUP (<>)                ;22--7F
IDT80       IDT_DESC <COS_DOSINT10,V_TOS_CODE_SEL,8E00H,0>
            REPT 2                              ;81--82
               IDT_DESC <>
            ENDM
IDT83       IDT_DESC <COS_DOSINT13,V_TOS_CODE_SEL,8E00H,0>
            REPT 2                              ;84--85
               IDT_DESC <>
            ENDM
IDT86       IDT_DESC <COS_DOSINT16,V_TOS_CODE_SEL,8E00H,0>
            REPT 3                              ;87--8F
               IDT_DESC <>
            ENDM
IDT8A       IDT_DESC <COS_DOSINT1A,V_TOS_CODE_SEL,8E00H,0>  ;8A=1A REAL_TIME
            REPT 5                              ;8B--8F
               IDT_DESC <>
            ENDM
IDT90       IDT_DESC <V86BEGIN,V86TSS_SEL,8500H,0>
            IDT_DESC 111 DUP (<>)                ;91--FF
IDTLEN = $
IDTSEG      ENDS