izaya/collapseos
1
0
Fork 0
mirror of https://github.com/hsoft/collapseos.git synced 2025-04-05 06:38:40 +11:00
Code Issues Releases Wiki Activity

Removed loop analysis comments, and trailing whitespace

Browse Source
This commit is contained in:
Clanmaster21 2019-10-21 15:35:57 +01:00 committed by GitHub
parent 176084d619
commit 423460cc47
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
kernel/parse.asm
View File

@ -41,12 +41,12 @@ parseHex:
; On success, the carry flag is reset. On error, it is set. ; On success, the carry flag is reset. On error, it is set.
parseHexPair: ; 31 bytes, 78 cycles parseHexPair:
ld a, (hl) ld a, (hl)
call parseHex call parseHex
ret c ; faster and smaller than a conditional jump ret c ; faster and smaller than a conditional jump
; by delaying this push, we can use a conditional return above ; by delaying this push, we can use a conditional return above
push bc push bc
ld b, a ld b, a
inc hl inc hl
ld a, (hl) ld a, (hl)
@ -57,14 +57,14 @@ parseHexPair: ; 31 bytes, 78 cycles
ld c, a ld c, a
ld a, b ld a, b
; by delaying shifting until the end, we save bytes in the single case. ; by delaying shifting until the end, we save bytes in the single case.
rla \ rla \ rla \ rla rla \ rla \ rla \ rla
or c or c
.end: .end:
pop bc pop bc
ret ret
.single: ;53 cycles if single .single:
ld a, b ld a, b
dec hl dec hl
pop bc pop bc