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blockdev: fix bug recently introduced in load cmd

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It would always load one byte less than told... This time it's right on
the money :)
This commit is contained in:
Virgil Dupras 2019-06-17 09:54:30 -04:00
parent 4b423a9dc6
commit 00778f73e1
1 changed files with 4 additions and 3 deletions
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7
kernel/blockdev_cmds.asm
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@ -64,13 +64,14 @@ blkLoad:
ld hl, (SHELL_MEM_PTR) ld hl, (SHELL_MEM_PTR)
call blkGetC call blkGetC
jr nz, .ioError jr nz, .ioError
jr .intoLoop ; properly dec B + check on first iteration. jr .intoLoop ; we'v already called blkGetC. don't call it
; again.
.loop: .loop:
call blkGetC
.intoLoop:
ld (hl), a ld (hl), a
inc hl inc hl
call blkGetC
jr nz, .loopend jr nz, .loopend
.intoLoop:
djnz .loop djnz .loop
.loopend: .loopend:
; success ; success