From 8721f551a0c796960b941e3abc4f1cc2c35eaac4 Mon Sep 17 00:00:00 2001
From: kdx <kdx@42l.fr>
Date: Sun, 19 Mar 2023 03:47:59 +0100
Subject: i'm insane

---
 main.c  | 13 ++++++++++---
 test.sh |  3 ++-
 vm.md   | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 44 insertions(+), 4 deletions(-)

diff --git a/main.c b/main.c
index 8fa5546..41ae0db 100644
--- a/main.c
+++ b/main.c
@@ -21,8 +21,15 @@ destroy_duplicates(Token **list, unsigned int type)
 int
 main(int argc, char **argv)
 {
-	if (argc != 2) {
-		fprintf(stderr, "usage: %s <source.golem>\n", argv[0]);
+	if (argc < 2 || argc > 3) {
+		fprintf(stderr, "usage: %s <source.golem> [gyte size]\n",
+		        argv[0]);
+		return 1;
+	}
+
+	const int gyte_size = (argc > 2) ? atoi(argv[2]) : 1;
+	if (gyte_size < 1 || gyte_size > 256) {
+		fprintf(stderr, "gyte size range is 1 to 256");
 		return 1;
 	}
 
@@ -72,7 +79,7 @@ main(int argc, char **argv)
 				fprintf(stderr, "memory_create failed\n");
 				break;
 			}
-			token_print(tokens, 1, 0);
+			//token_print(tokens, 1, 0);
 		} while(0);
 		memory_destroy(&memory);
 		token_destroy(tokens);
diff --git a/test.sh b/test.sh
index 0ded8c7..4c2b89a 100755
--- a/test.sh
+++ b/test.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 ./build.sh || exit 1
-./golem /dev/null || exit 1
+./golem /dev/null 1 || exit 1
 ./golem onlymain.golem || exit 1
+./golem onlymain.golem 16 || exit 1
 valgrind ./golem mvp.golem >/dev/null || exit 1
diff --git a/vm.md b/vm.md
index 8cde69d..ba705a5 100644
--- a/vm.md
+++ b/vm.md
@@ -38,3 +38,35 @@ GOLEM will have two stacks (to not counfound with memory stack):
 * the instruction stack to be used by instructions and immediate operations
 * the return stack used to store the program counter on function call and
 restore it on return
+
+## manually translated onlymain.golem
+
+```
+gyte size: 1
+; store stack offset and program counter
+call main
+; quit
+stop
+main:
+  ; stack offset
+  push s0
+  push 2
+  add
+  save s0
+  ; argv
+  push (s0-1)
+  ; (sub argc 1)
+  push (s0-2)
+  push 1
+  sub
+  ; [argv (sub argc 1)]
+  deref
+  ; (print [argv (sub argc 1)]
+  print
+  ; return (less argc 2)
+  push (s0-2)
+  push 2
+  sub
+  ; restore stack offset and program counter
+  ret
+```
-- 
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