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Remove unnecessary modulus instruction

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pjht 2023-02-14 17:27:25 -06:00
parent 988f84e5c1
commit 1a5c7d1820
Signed by: pjht
GPG Key ID: 7B5F6AFBEC7EE78E
1 changed files with 0 additions and 1 deletions
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boot/boot.68k
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@ -126,7 +126,6 @@ move.l #1, d1 | Set the number of sectors to read to 1
move.l #SEC_BUF_START, a1 | Set the read address of the sector to the sector buffer move.l #SEC_BUF_START, a1 | Set the read address of the sector to the sector buffer
bsr.b read_sectors | Read the end sector bsr.b read_sectors | Read the end sector
move.l d6, d1 | Load the number of remaining bytes into d1 move.l d6, d1 | Load the number of remaining bytes into d1
andi #0x1FF, d1 | Modulus the number of remaining bytes by 512 to compute the number of bytes to copy from the end sector
end_sec_loop: | Transfer the required bytes from the start sector to the destination buffer end_sec_loop: | Transfer the required bytes from the start sector to the destination buffer
move.b (a1)+, (a2)+ move.b (a1)+, (a2)+
dbra d1, end_sec_loop dbra d1, end_sec_loop