allow compiling without 32x and sms code

[picodrive.git] / pico / memory.c

diff --git a/pico/memory.c b/pico/memory.c
index d0b1697..2fff489 100644 (file)
--- a/pico/memory.c
+++ b/pico/memory.c
@@ -322,7 +322,7 @@ static u32 PicoRead8_sram(u32 a)
 static u32 PicoRead16_sram(u32 a)\r
 {\r
   u32 d;\r
-  if (SRam.end >= a && a >= SRam.start && (Pico.m.sram_reg & SRR_MAPPED))\r
+  if (SRam.start <= a && a <= SRam.end && (Pico.m.sram_reg & SRR_MAPPED))\r
   {\r
     if (SRam.flags & SRF_EEPROM)\r
       d = EEPROM_read();\r
@@ -1058,6 +1058,14 @@ void ym2612_unpack_state(void)
   elprintf(EL_YMTIMER, "load: %i/%i, timer_b_next_oflow %i", tbt>>16, tbc>>16, timer_b_next_oflow >> 8);\r
 }\r
 \r
+#if defined(NO_32X) && defined(_ASM_MEMORY_C)\r
+// referenced by asm code\r
+u32 PicoRead8_32x(u32 a) { return 0; }\r
+u32 PicoRead16_32x(u32 a) { return 0; }\r
+void PicoWrite8_32x(u32 a, u32 d) {}\r
+void PicoWrite16_32x(u32 a, u32 d) {}\r
+#endif\r
+\r
 // -----------------------------------------------------------------\r
 //                        z80 memhandlers\r
 \r