http://www.tienza.es/crux/src/www.jwz.org/xscreensaver/xscreensaver-5.05.tar.gz

[xscreensaver] / hacks / images / m6502 / selfmodify.asm

diff --git a/hacks/images/m6502/selfmodify.asm b/hacks/images/m6502/selfmodify.asm
new file mode 100644 (file)
index 0000000..f7bb646
--- /dev/null
+++ b/hacks/images/m6502/selfmodify.asm
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+; A very simple example of
+; self-modifying code
+; and code entry points
+
+  lda $fe
+  sta $1001
+  jmp $1000
+
+  *=$1000
+  lda #$00
+  sta $3ef
+  jmp $600