From 456580be4408869962cf28bb39d909fb5fcb6176 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Sat, 18 Dec 2021 23:24:10 -0800
Subject: Added serial input storing

Added NOANSI option
---
 src/cpu/irq.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 60 insertions(+), 13 deletions(-)

(limited to 'src/cpu')

diff --git a/src/cpu/irq.c b/src/cpu/irq.c
index c00ce8c..0a1e080 100644
--- a/src/cpu/irq.c
+++ b/src/cpu/irq.c
@@ -5,11 +5,14 @@
 #include "../drivers/uart.h"
 #include "../util/time.h"
 
+extern unsigned long cmdidx;
+extern char cmd[2048];
 extern void disable_irq(void);
 extern void enable_irq(void);
 
 void c_irq_handler(void) {
-	disable_irq();
+	//disable_irq();
+	disableirq();
 	unsigned long source = load32(CORE0_IRQ_SOURCE);
 	if (source & (1 << 8)) {
 		if(load32(IRQ_PENDING2) & (1 << 25)) {
@@ -23,31 +26,75 @@ void c_irq_handler(void) {
 						cntfrq = read_cntfrq();
 						write_cntv_tval(cntfrq);
 						enable_cntv();
+#ifndef NOANSI
 						uart_string((char*)"\033[?25l\033[s\033[4;1H\033[0KTimer: \033[92mEnabled\033[0m\033[u\033[?25h");
+#else
+						uart_string((char*)"\033[?25l\033[4;1H\033[0KTimer: \033[92mEnabled\033[0m\033[8;1H\033[?25h> ");
+#endif
 					} else {
 						disable_cntv();
+#ifndef NOANSI
 						uart_string((char*)"\033[?25l\033[s\033[4;1H\033[0KTimer: \033[91mDisabled\033[0m\033[u\033[?25h");
+#else
+						uart_string((char*)"\033[?25l\033[4;1H\033[0KTimer: \033[91mDisabled\033[0m\033[8;1H\033[?25h> ");
+#endif
 					}
 				} else {
-					if (data == 0x0D) {
-						//uart_char(0x0a);
-						uart_char(data);
-						uart_string("\033[?25l> \033[0K\033[?25h");
-					} else if (data == 0x08) {
-						uart_char((unsigned char)data);
-						uart_char(0x20);
-						uart_char((unsigned char)data);
-					} else {
-						uart_char((unsigned char)data);
+					unsigned long off = cmdidx;
+					if (off < 2048) {
+						if (data == 0x0D) {
+							off = 0;
+							cmd[0] = 0x0;
+							//uart_char(0x0a);
+							uart_char(data);
+							uart_string("\033[?25l> \033[0K\033[?25h");
+						} else if (data == 0x08 || data == 0x7F) {
+							if (off > 0) {
+								off -= 1;
+							}
+							cmd[off] = 0x0;
+							uart_char((unsigned char)data);
+							uart_char(0x20);
+							uart_char((unsigned char)data);
+						} else {
+							uart_char((unsigned char)data);
+							cmd[off] = (char) data;
+							off += 1;
+						}
+					} else if (off == 2048) {
+						if (data == 0x0D) {
+							off = 0;
+							cmd[0] = 0x0;
+							//uart_char(0x0a);
+							uart_char(data);
+							uart_string("\033[?25l> \033[0K\033[?25h");
+						} else if (data == 0x08 || data == 0x7F) {
+							if (off > 0) {
+								off -= 1;
+							}
+							cmd[off] = 0x0;
+							uart_char((unsigned char)data);
+							uart_char(0x20);
+							uart_char((unsigned char)data);
+						}
 					}
+					cmdidx = off;
+					//store32(off, (unsigned long*) cmdidx);
+					uart_string("\033[?25l\033[9;1H\033[0K");
+					uart_10(off);
+					uart_string("\n\033[0K");
+					uart_string(cmd);
+					uart_string("\033[?25h\033[8;1H> ");
 				}
-				enable_irq();
+				//enable_irq();
+				enableirq();
 				return;
 			}
 		}
 	} else if (source & (1 << 3)) {
 		c_timer();
-		enable_irq();
+		//enable_irq();
+		enableirq();
 	}
 	return;
 }
-- 
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