From 172db1bcaa88b51326e9b788022985c97276dbfb Mon Sep 17 00:00:00 2001
From: "B. Watson" <urchlay@slackware.uk>
Date: Mon, 13 Apr 2026 01:38:17 -0400
Subject: Get rid of edbox_callback() abstraction (never used it anyway). 7696
 bytes free.

---
 src/crt0.s  | 5 +++--
 src/edbox.c | 9 +++------
 src/edbox.h | 5 +----
 src/main.c  | 2 --
 4 files changed, 7 insertions(+), 14 deletions(-)

(limited to 'src')

diff --git a/src/crt0.s b/src/crt0.s
index 399f391..44a1c93 100644
--- a/src/crt0.s
+++ b/src/crt0.s
@@ -43,11 +43,12 @@ start:
         lda MEMTOP+1
         sta sp+1
 
-; Set the keyboard to upper-/lower-case mode.
+; Set various OS variables.
         ldy     #$ff
         sty     CH              ; remove keypress which might be in the input buffer
         iny                     ; Set Y to 0
-        sty     SHFLOK
+        sty     SHFLOK          ; Turn off Caps Lock
+        sty     SOUNDR          ; Turn off SIO beep/click
 
 ; Go directly to main(). No support for CLI arguments, no saving
 ; any machine state for a clean exit, because we don't exit.
diff --git a/src/edbox.c b/src/edbox.c
index 7f232fd..eca60f8 100644
--- a/src/edbox.c
+++ b/src/edbox.c
@@ -25,8 +25,6 @@ char edbox_visible = 0;
 char edbox_pos; /* range 0 to EDBOX_SIZE - 1 */
 char edbox_len; /* idem */
 
-void (*edbox_callback)(void);
-
 void edbox_show(void) {
 	u16 addr;
 
@@ -55,8 +53,8 @@ void move_right(void) {
 
 /* note: c will never be an EOL.
    idea: when the edbox is completely full (240 chars), go
-   ahead and pretend the user pressed Return (call edbox_callback,
-   etc). not sure if this is more or less annoying than just
+   ahead and pretend the user pressed Return.
+   Not sure if this is more or less annoying than just
    refusing to accept more input until Return is pressed. */
 void edbox_putc(char c) {
 	if(!c)
@@ -168,8 +166,7 @@ void edbox_keystroke(char c) {
 		case CH_EOL:
 			copy_to_old();
 			edbox_hide();
-			if(edbox_callback)
-				(*edbox_callback)();
+			cmd_execute();
 			edbox_clear();
 			break;
 		case XCH_TAB:
diff --git a/src/edbox.h b/src/edbox.h
index e4069a0..99e64da 100644
--- a/src/edbox.h
+++ b/src/edbox.h
@@ -24,12 +24,9 @@ void edbox_hide(void);
 void edbox_putc(char c);
 
 /* pass a keystroke, insert its character into the edit box. if Return
-   is pressed, edbox_callback gets called (if it's set!) */
+   is pressed, cmd_execute() gets called. */
 void edbox_keystroke(char c);
 
-/* called when the user presses Return */
-extern void (*edbox_callback)(void);
-
 /* set edit box contents (clears out whatever was there) */
 void __fastcall__ edbox_set(char *contents);
 
diff --git a/src/main.c b/src/main.c
index 536923d..4d80a78 100644
--- a/src/main.c
+++ b/src/main.c
@@ -132,14 +132,12 @@ void reconnect(void) {
 
 void main(void) {
   bell_type = config.alert_type; /* TODO: have bell.s read staight from the struct */
-  OS.soundr = 0; // Turn off SIO beeping sound
 
   edbox_clear();
   scr_init();
   init_channels();
 
   while(1) {
-	  edbox_callback = cmd_execute;
 	  if(fn_connect()) {
 		  ind_net_idle();
 		  irc_register();
-- 
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