8051 Program - unsigned mod

; Description:

; Unsigned Modulus Of R2/3 By R4/5

;

; Entry Requirements:

; Divisor In R4/5

; Dividend In R2/3

;

; On Exit:

; Remainder In R4/5, R2/3

;

; Affected:

; PSW.CY, PSW.Z, PSW.P, Acc, B, R2, R3, R4, R5

;

; Stack:

; 4 Bytes, Not Including Space Used By Called Routines

;

; Comments:

; None

;

UTIL_UMOD:
	push 0	; Save R0
	push 1	; Save R1
	call DIVIDE	; Divide
	pop 1	; Recover R1
	pop 0	; Recover R0
	mov 2,r4	; Get Remainder High To R2
	mov 3,r5	; Get Remainder Low To R2
	ret	; Return To Caller

Source: Assorted Utilities, John C. Wren 11/23/96

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Related topics:
8051 Program - count ascii decimal in string   |   8051 Program - unsigned divide   |   8051 Program - signed divide   |   8051 Program - signed mod   |   8051 Program - sign fixup for divide   |   8051 Program - divide   |   8051 Program - memory subroutines   |   8051 Program - math subroutines   |   8051 Program - conversion subroutines

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List of topics: 8051

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