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rename extra to right in logic inst

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This commit is contained in:
Torsten Ruger
2014-05-16 11:27:30 +03:00
parent ccafb09224
commit 87e0f297e3
4 changed files with 24 additions and 25 deletions
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10
lib/arm/arm_machine.rb
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@ -16,12 +16,12 @@ module Arm
end
def integer_plus block , result , first , right
block.add_code add( result , right: first , :extra => right )
block.add_code add( result , left: first , :extra => right )
result
end
def integer_minus block , result , first , right
block.add_code sub( result , right: first , :extra => right )
block.add_code sub( result , left: first , :extra => right )
result
end
@ -88,7 +88,7 @@ module Arm
# BL udiv10 # r1 = r1 / 10
div10( tos , number , remainder )
# ADD r10, r10, 48 #'0' # make char out of digit (by using ascii encoding)
tos.add_code add( remainder , right: remainder , extra: 48 )
tos.add_code add( remainder , left: remainder , right: 48 )
#STRB r10, [r1], 1 # store digit at end of buffer
tos.add_code strb( remainder , right: string ) #and increment TODO check
# CMP r1, #0 # quotient non-zero?
@ -110,9 +110,9 @@ module Arm
# takes argument in r1
# returns quotient in r1, remainder in r2
# SUB r2, r1, #10 # keep (x-10) for later
block.add_code sub( remainder , right: number , :extra => 10 )
block.add_code sub( remainder , left: number , right: 10 )
# SUB r1, r1, r1, lsr #2
block.add_code add( number , right: number , extra: number , shift_right: 4)
block.add_code add( number , left: number , right: number , shift_right: 4)
# ADD r1, r1, r1, lsr #4
# ADD r1, r1, r1, lsr #8
# ADD r1, r1, r1, lsr #16