From ff8ad24867fd8d279e782d803b520f2c3ba28e62 Mon Sep 17 00:00:00 2001
From: Vincent Barrilliot <vincent.barrilliot@sfr.fr>
Date: Sun, 3 Dec 2023 22:25:40 +0100
Subject: [PATCH] Use stdint

---
 src/memory.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/memory.c b/src/memory.c
index 40e6553..cb3df39 100644
--- a/src/memory.c
+++ b/src/memory.c
@@ -1,10 +1,10 @@
 /**
  * @file memory.h
  *
- * Memory mangament system: memory in Foenix/MCP is handled very simply.
+ * Memory managament system: memory in Foenix/MCP is handled very simply.
  * The system will keep track of the top of available system RAM.
- * User programs can do whatever they want with system RAM from $400 to
- * the top of system RAM. Memory above top of system RAM is reserved for
+ * User programs can do whatever they want with system RAM from $400 (end of 68K vectors area)
+ * to the top of system RAM. Memory above top of system RAM is reserved for
  * the kernel and any terminate-stay-resident code the user cares to install.
  *
  * NOTE: this code does not manage video RAM or DRAM (on the A2560K)... only
@@ -12,16 +12,17 @@
  *
  */
 
+#include <stdint.h>
 #include "memory.h"
 
-unsigned long mem_top_of_ram = 0;
+uint32_t mem_top_of_ram = 0;
 
 /*
  * Initialize the memory management system
  *
  * @param top_of_ram initial value for the top of system RAM
  */
-void mem_init(unsigned long top_of_ram) {
+void mem_init(uint32_t top_of_ram) {
     mem_top_of_ram = top_of_ram;
 }
 
@@ -31,7 +32,7 @@ void mem_init(unsigned long top_of_ram) {
  *
  * @return the address of the first byte of reserved system RAM (one above the last byte the user program can use)
  */
-unsigned long mem_get_ramtop() {
+uint32_t mem_get_ramtop() {
     return mem_top_of_ram;
 }
 
@@ -41,7 +42,7 @@ unsigned long mem_get_ramtop() {
  * @param bytes the number of bytes to reserve
  * @return address of the first byte of the reserved block
  */
-unsigned long mem_reserve(unsigned long bytes) {
+uint32_t mem_reserve(uint32_t bytes) {
     mem_top_of_ram -= bytes;
     return mem_top_of_ram;
 }