Changeset 5fa5369 in buchla-emu for emu/cpu.c

Timestamp:

08/05/2017 07:03:20 PM (7 years ago)

Author:

Thomas Lopatic <thomas@…>

Branches:

master

Children:

149c3e0

Parents:

7cc6ac0

Message:

Single-stepping looks OK.

File:

• emu/cpu.c (modified) (1 diff)

emu/cpu.c

@@ -468 +468 @@
 }
 
+uint8_t cpu_peek(int32_t addr)
+{
+        if (addr >= RAM_START && addr <= RAM_START + RAM_SIZE - 1) {
+                return ram_data[addr - RAM_START];
+        }
+
+        if (addr >= ROM_START && addr <= ROM_START + ROM_SIZE - 1) {
+                return rom_data[addr - ROM_START];
+        }
+
+        return 0;
+}
+
+void cpu_poke(int32_t addr, uint8_t val)
+{
+        if (addr >= RAM_START && addr <= RAM_START + RAM_SIZE - 1) {
+                ram_data[addr - RAM_START] = val;
+        }
+
+        if (addr >= ROM_START && addr <= ROM_START + ROM_SIZE - 1) {
+                rom_data[addr - ROM_START] = val;
+        }
+}
+
 static void inst_cb(void)
 {