Merge telemon24 and telemon30 into telestrat target.
Cleaning, and replace tab to spaces Converting hex lowercase value into uppercase char. Changing := and = when it was needed
This commit is contained in:
79
libsrc/telestrat/write.s
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79
libsrc/telestrat/write.s
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@@ -0,0 +1,79 @@
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;
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; jede jede@oric.org 2017-01-22
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.export _write
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.import popax
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.importzp ptr1, ptr2, ptr3, tmp1
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.include "telestrat.inc"
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; int write (int fd, const void* buf, int count);
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.proc _write
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sta ptr3
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stx ptr3+1 ; save count as result
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eor #$FF
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sta ptr2
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txa
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eor #$FF
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sta ptr2+1 ; Remember -count-1
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jsr popax ; get buf
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sta ptr1
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stx ptr1+1
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jsr popax ; get fd and discard
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; if fd=0001 then it stdout
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cpx #0
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beq next
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jmp L1
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next:
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cmp #1
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beq L1
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; Here it's a file opened
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lda ptr1
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sta PTR_READ_DEST
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lda ptr1+1
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sta PTR_READ_DEST+1
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lda ptr3
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ldy ptr3+1
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BRK_TELEMON XFWRITE
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rts
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L1: inc ptr2
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bne L2
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inc ptr2+1
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beq L9
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L2: ldy #0
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lda (ptr1),y
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tax
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cpx #$0A ; Check for \n
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bne L3
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BRK_TELEMON XWR0 ; Macro send char to screen (channel 0 in telemon terms)
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lda #$0D ; return to the beggining of the line
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BRK_TELEMON XWR0 ; Macro ;
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ldx #$0D
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L3:
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BRK_TELEMON XWR0 ; Macro
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inc ptr1
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bne L1
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inc ptr1+1
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jmp L1
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; No error, return count
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L9: lda ptr3
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ldx ptr3+1
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rts
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.endproc
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