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git-svn-id: http://moon:8086/svn/vhdl/trunk@5 cc03376c-175c-47c8-b038-4cd826a8556b
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jens
2008-08-23 08:20:30 +00:00
parent bfbeba5129
commit d3bd08bb52
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lib/jasm/utils.inc.jsm
+32
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; -------------------------------------------------
; utils.inc.jsm
; -------------------------------------------------
; -------------------------------------------------
; Parameter
; R0 : Bin value in lower nibble
; Return
; R0 : Hex character representing lower nibble
nibble2hex: and R0, 0x0F
cmp R0, 0x0A
jlt isNum1
add R0, 0x07
isNum1: add R0, 0x30
ret
; -------------------------------------------------
; Parameter
; R0 : Bin value
; Return
; R0 : Hex character high
; R1 : Hex character low
bin2hex: push R0
call nibble2hex
mov R1, R0
pop R0
swap R0
call nibble2hex
ret
; -------------------------------------------------