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fix compute length for read and write for telestrat target

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This commit is contained in:
jede
2023-05-23 23:08:56 +02:00
parent 652949f183
commit 1377ba0d36
2 changed files with 16 additions and 15 deletions
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11
libsrc/telestrat/read.s
View File

@@ -30,13 +30,14 @@
ldy ptr1+1 ldy ptr1+1
BRK_TELEMON XFREAD BRK_TELEMON XFREAD
; compute nb of bytes read ; compute nb of bytes read
lda PTR_READ_DEST+1
sec sec
lda PTR_READ_DEST
sbc ptr2
sta tmp1
lda PTR_READ_DEST+1
sbc ptr2+1 sbc ptr2+1
tax tax
lda PTR_READ_DEST lda tmp1
sec
sbc ptr2
; here A and X contains number of bytes read
rts rts
.endproc .endproc

12
libsrc/telestrat/write.s
View File

@@ -42,16 +42,16 @@ next:
ldy ptr3+1 ldy ptr3+1
ldx tmp1 ; send fd in X ldx tmp1 ; send fd in X
BRK_TELEMON XFWRITE BRK_TELEMON XFWRITE
; compute nb of bytes written ; compute nb of bytes written
lda PTR_READ_DEST+1
sec sec
lda PTR_READ_DEST
sbc ptr1
sta tmp1
lda PTR_READ_DEST+1
sbc ptr1+1 sbc ptr1+1
tax tax
lda PTR_READ_DEST lda tmp1
sec
sbc ptr1
rts rts