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- BIOS_SEG segment use16 at 0F000h ; Start BIOS_SEG segment
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- org 0FFFEh
- SYSID db ? ; The CPU's identification byte
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- ; System ID equates for byte at F000:FFFE
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- .xcref @SYS_PC,@SYS_XT,@SYS_JR,@SYS_AT,@SYS_XT2,@SYS_M30,@SYS_CNV,@SYS_M80
- @SYS_PC equ 0FFh ; IBM PC
- @SYS_XT equ 0FEh ; IBM PC XT
- @SYS_JR equ 0FDh ; IBM PCjr
- @SYS_AT equ 0FCh ; IBM PC AT & PS/2 Model 50/60
- @SYS_XT2 equ 0FBh ; IBM PC XT with 256/640 system board
- @SYS_M30 equ 0FAh ; IBM PS/2 Model 30
- @SYS_CNV equ 0F9h ; IBM PC Convertible
- @SYS_M80 equ 0F8h ; IBM PS/2 Model 80
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- BIOS_SEG ends ; End BIOS_SEG segment
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