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small optimzation (found by Greg King)

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Christian Groessler
2013-12-07 01:24:05 +01:00
parent 2461163f38
commit 9e91f74297
1 changed files with 2 additions and 3 deletions
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5
libsrc/atari/ser/atrrdev.s
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@@ -562,8 +562,9 @@ found: lda ptr3
lda #40 ; XIO 40, start concurrent IO lda #40 ; XIO 40, start concurrent IO
sta ICCOM,x sta ICCOM,x
sta cm_run ; indicate concurrent mode is running sta cm_run ; indicate concurrent mode is running
lda #$0D ; value from 850 manual, p62. must be $0D?,
sta ICAX1,x ; or any non-zero?
lda #0 lda #0
sta ICAX1,x
sta ICAX2,x sta ICAX2,x
lda #<recv_buf lda #<recv_buf
sta ICBAL,x sta ICBAL,x
@@ -573,8 +574,6 @@ found: lda ptr3
sta ICBLL,x sta ICBLL,x
lda #>RECVBUF_SZ lda #>RECVBUF_SZ
sta ICBLH,x sta ICBLH,x
lda #$0D ; value from 850 man, p62. must be $0D?,
sta ICAX1,x ; or any non-zero?
jmp my_CIOV jmp my_CIOV
.endproc ;ena_cm .endproc ;ena_cm