67 lines
969 B
NASM
67 lines
969 B
NASM
;;ErrCatch
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;;Checks err bit and jp to err route
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ErrCatch:
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ld hl, FshFlags
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bit 1, (hl)
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jp nz, ErrRoute
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jp Fin
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;;ErrRoute
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;;Routes err codes.
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ErrRoute:
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ld hl, FshFlags
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res 1, (hl)
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ld hl, FshCmdErrCode
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ld de, ErrCmdNotFoundo
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call bytecmp
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jp z, ErrCmdNotFoundf
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ld de, ErrOutOfBoundso
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call bytecmp
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jp z, ErrOutOfBoundsf
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jp ErrDefault
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;;ErrSet
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;;Sets all things relating to Err codes
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;; Inputs:
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;; HL: Err____o
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ErrSet:
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push hl
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ld a, (hl)
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ld hl, FshCmdErrCode
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ld (hl), a
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ld hl, FshFlags
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set 1, (hl)
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pop hl
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ret
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;;ERR FUNCS
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ErrCmdNotFoundo: .db $01
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ErrCmdNotFoundf:
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ld hl, ErrCmdNotFoundt
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call _PutS
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ld hl, FshCmd
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call _PutS
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call _NewLine
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jp Fin
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ErrCmdNotFoundt: .db "error:No Command:", 0
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ErrOutOfBoundso: .db $02
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ErrOutOfBoundsf:
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ld hl, ErrOutOfBoundst
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call _PutS
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call _NewLine
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jp Fin
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ErrOutOfBoundst: .db "error: Out Of Bounds", 0
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ErrDefault:
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ld hl, ErrDefaultt
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call _PutS
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jp Exit
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ErrDefaultt: .db "error: Default; Exit", 0
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