From 5419d9579adc072b77adb56bd8ef25e95c83ee8f Mon Sep 17 00:00:00 2001
From: Devine Lu Linvega <aliceffekt@gmail.com>
Date: Mon, 13 May 2024 15:14:37 -0700
Subject: [PATCH] Keep input format during arithmetic

---
 examples/binary.modal | 7 ++++++-
 src/modal.c           | 4 ++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/examples/binary.modal b/examples/binary.modal
index 9a98afc..106f046 100644
--- a/examples/binary.modal
+++ b/examples/binary.modal
@@ -2,4 +2,9 @@
 ?(?: ?:) \101
 ?(?: ?:) \#6c
 ?(?: ?:) \108
-?(?: ?:) \#6f
\ No newline at end of file
+?(?: ?:) \#6f
+
+?(?: ?:) \#ce
+?(?: ?:) \#bb
+
+?((?: ?0 ?1) ?:) + #34 #67
diff --git a/src/modal.c b/src/modal.c
index 13a886c..08d4bc4 100644
--- a/src/modal.c
+++ b/src/modal.c
@@ -59,7 +59,7 @@ device_write(char *s)
 	char **reg = regs + '0';
 	/* phase: ALU */
 	if(*reg) {
-		int acc = sint(*reg++);
+		int hex = **reg == '#', acc = sint(*reg++);
 		/* clang-format off */
 		switch(*s) {
 		case '+': while(*reg) acc += sint(*reg++); break;
@@ -76,7 +76,7 @@ device_write(char *s)
 		case '<': while(*reg) acc = acc < sint(*reg++); break;
 		}
 		/* clang-format on */
-		dst_ += snprintf(dst_, 0x10, "%d", acc);
+		dst_ += snprintf(dst_, 0x10, hex ? "#%x" : "%d", acc);
 		return;
 	} else {
 		/* phase: string */