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Fixed erroring out for all number >0x1999

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I fixed the errors for numbers >0x1999, sadly it is now 6 bytes bigger, so 5 bytes larger than the original, but the speed increases should still hold.
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Clanmaster21 2019-10-20 23:56:31 +01:00 committed by GitHub
parent 67adc6fcfc
commit ab4fca334d
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1 changed files with 8 additions and 2 deletions
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10
apps/lib/parse.asm
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@ -17,8 +17,8 @@
; same conditions as parseLiteral. ; same conditions as parseLiteral.
; Sets Z on success, unset on error. ; Sets Z on success, unset on error.
; 55 bytes ; 61 bytes
; 107 cycles overhead + up to 45 cycles if length >= 5 ; 107 cycles overhead + up to 73 cycles if length >= 5
; 136 cycles in loop ; 136 cycles in loop
; first digit is skipped in overhead ; first digit is skipped in overhead
parseDecimal: parseDecimal:
@ -63,6 +63,12 @@ parseDecimal:
add hl, de add hl, de
ex de, hl ex de, hl
jr nc, .loop ; if it doesn't carry, it's small enough jr nc, .loop ; if it doesn't carry, it's small enough
exx
inc hl
ld a, (hl)
exx
add a, 0xd0
.error: .error:
sub 0xd0 ; if a is null, set Z sub 0xd0 ; if a is null, set Z
; a is checked for null before any errors ; a is checked for null before any errors