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69125f1
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adding TELL and EMIT
author
Ralph Ronnquist
<ralph.ronnquist@gmail.com>
Tue, 18 May 2021 08:21:22 +0000
(18:21 +1000)
committer
Ralph Ronnquist
<ralph.ronnquist@gmail.com>
Tue, 18 May 2021 08:21:22 +0000
(18:21 +1000)
stdio.asm
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diff --git
a/stdio.asm
b/stdio.asm
index f94b0cca194c707463e267dabecac247a7fb772f..7cf148dfca09e287db5bd7675efa64cd66524041 100644
(file)
--- a/
stdio.asm
+++ b/
stdio.asm
@@
-164,3
+164,34
@@
p_read_word_nomore:
pop rax
popr rsi
next
+
+ WORD p_tell,'TELL',fasm
+ ;; ( chars* n -- )
+ ;; Write n bytes from chars* to stdout
+ pushr rsi
+ pop rbx
+ pop rax
+ push 1
+ push rax
+ push rbx
+ DOFORTH sys_write
+ pop rax
+ popr rsi
+ next
+
+p_emit_buffer: dq 0
+
+ WORD p_emit,'EMIT',fasm
+ ;; ( c -- )
+ ;; Write byte to stdout
+ pushr rsi
+ pop rax
+ mov [p_emit_buffer],al
+ push 1
+ push p_emit_buffer
+ push 1
+ DOFORTH sys_write
+ pop rax
+ popr rsi
+ next
+