From 85b5fde272be6ab543aa866baebabddc24566bdb Mon Sep 17 00:00:00 2001
From: cheapie <no-email-for-you@example.com>
Date: Sat, 23 May 2026 20:14:34 -0500
Subject: Add initial content

---
 c/drawercalc/drawercalc.c | 129 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 c/drawercalc/drawercalc.c

(limited to 'c/drawercalc/drawercalc.c')

diff --git a/c/drawercalc/drawercalc.c b/c/drawercalc/drawercalc.c
new file mode 100644
index 0000000..1d2de03
--- /dev/null
+++ b/c/drawercalc/drawercalc.c
@@ -0,0 +1,129 @@
+/* Drawer Capacity Calculator for RVController
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "rvcontroller-ecalls.h"
+
+#define BASE_SLOTS 32
+#define STACK_MAX 99
+#define STEEL_UPGRADE_MULT 1
+#define GOLD_UPGRADE_MULT 2
+#define OBSIDIAN_UPGRADE_MULT 3
+#define DIAMOND_UPGRADE_MULT 7
+#define MITHRIL_UPGRADE_MULT 12
+
+bool checkUpgradeCount(int32_t count,int32_t maxcount) {
+	return (count >= 0 && count <= maxcount);
+}
+
+void main(void) {
+	while (true) {
+		int32_t capacity = BASE_SLOTS * STACK_MAX;
+		uint8_t upgrades_used = 0;
+		printstr("\n\n\nSettings:\n");
+		printstr("Base Stack Count: ");
+		printint(BASE_SLOTS);
+		printstr("\nMax Stack Size: ");
+		printint(STACK_MAX);
+		printchar('\n');
+
+		int32_t upgcount = 0;
+		while (true) {
+			printstr("\nSteel Upgrades?\n[0-5] > ");
+			upgcount = readint();
+			printint(upgcount);
+			printchar('\n');
+			if (checkUpgradeCount(upgcount,5)) {
+				break;
+			} else {
+				printstr("Invalid entry");
+			}
+		}
+		upgrades_used += upgcount;
+		capacity += BASE_SLOTS * STACK_MAX * STEEL_UPGRADE_MULT * upgcount;
+
+		if (upgrades_used < 5) {
+			while (true) {
+				printstr("\nGold Upgrades?\n[0-");
+				printint(5-upgrades_used);
+				printstr("] > ");
+				upgcount = readint();
+				printint(upgcount);
+				printchar('\n');
+				if (checkUpgradeCount(upgcount,5-upgrades_used)) {
+					break;
+				} else {
+					printstr("Invalid entry");
+				}
+			}
+			upgrades_used += upgcount;
+			capacity += BASE_SLOTS * STACK_MAX * GOLD_UPGRADE_MULT * upgcount;
+		}
+
+		if (upgrades_used < 5) {
+			while (true) {
+				printstr("\nObsidian Upgrades?\n[0-");
+				printint(5-upgrades_used);
+				printstr("] > ");
+				upgcount = readint();
+				printint(upgcount);
+				printchar('\n');
+				if (checkUpgradeCount(upgcount,5-upgrades_used)) {
+					break;
+				} else {
+					printstr("Invalid entry");
+				}
+			}
+			upgrades_used += upgcount;
+			capacity += BASE_SLOTS * STACK_MAX * OBSIDIAN_UPGRADE_MULT * upgcount;
+		}
+
+		if (upgrades_used < 5) {
+			while (true) {
+				printstr("\nDiamond Upgrades?\n[0-");
+				printint(5-upgrades_used);
+				printstr("] > ");
+				upgcount = readint();
+				printint(upgcount);
+				printchar('\n');
+				if (checkUpgradeCount(upgcount,5-upgrades_used)) {
+					break;
+				} else {
+					printstr("Invalid entry");
+				}
+			}
+			upgrades_used += upgcount;
+			capacity += BASE_SLOTS * STACK_MAX * DIAMOND_UPGRADE_MULT * upgcount;
+		}
+
+		if (upgrades_used < 5) {
+			while (true) {
+				printstr("\nMithril Upgrades?\n[0-");
+				printint(5-upgrades_used);
+				printstr("] > ");
+				upgcount = readint();
+				printint(upgcount);
+				printchar('\n');
+				if (checkUpgradeCount(upgcount,5-upgrades_used)) {
+					break;
+				} else {
+					printstr("Invalid entry");
+				}
+			}
+			upgrades_used += upgcount;
+			capacity += BASE_SLOTS * STACK_MAX * MITHRIL_UPGRADE_MULT * upgcount;
+		}
+
+		printstr("\n1 slot: ");
+		printint(capacity);
+		printstr("\n2 slots: ");
+		printint(capacity/2);
+		printstr("\n4 slots: ");
+		printint(capacity/4);
+		printstr("\nPress 0 to run again\n");
+		upgcount = readint();
+	}
+}
-- 
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