add basic ppu register reading

author: vin <git@vineetk.net> 2024-09-01 15:39:32 -0400
committer: vin <git@vineetk.net> 2024-09-01 15:39:32 -0400
commit: 2084552c536a8299a3578c8b9b687cff98e6d9a3 (patch)
tree: 0a4db4405e2dfaf4d9ee63c1f86b2836790bfbe1 /cpu.c
parent: f591b4adf2cfe5d7cde5ecccf95879bfe09cf57a (diff)
1 files changed, 1 insertions, 3 deletions
diff --git a/cpu.c b/cpu.c
index 97ece60..a04c603 100644
--- a/cpu.c
+++ b/cpu.c
@@ -28,9 +28,7 @@
 #define MEMORY_MIRROR(addr)     \
        if (addr < 0x2000)      \
-                addr &= 0x07FF; \
+                addr &= 0x07FF;
-        else if (addr < 0x4000) \
-                addr &= 0x2007;
 #define PUSH(b) \
        (memwrite(0x0100 + regs.sp--, b))
author	vin <git@vineetk.net>	2024-09-01 15:39:32 -0400
committer	vin <git@vineetk.net>	2024-09-01 15:39:32 -0400
commit	2084552c536a8299a3578c8b9b687cff98e6d9a3 (patch)
tree	0a4db4405e2dfaf4d9ee63c1f86b2836790bfbe1 /cpu.c
parent	f591b4adf2cfe5d7cde5ecccf95879bfe09cf57a (diff)

diff --git a/cpu.c b/cpu.c index 97ece60..a04c603 100644 --- a/cpu.c +++ b/cpu.c
@@ -28,9 +28,7 @@
28		28
29	#define MEMORY_MIRROR(addr) \	29	#define MEMORY_MIRROR(addr) \
30	if (addr < 0x2000) \	30	if (addr < 0x2000) \
31	addr &= 0x07FF; \	31	addr &= 0x07FF;
32	else if (addr < 0x4000) \
33	addr &= 0x2007;
34		32
35	#define PUSH(b) \	33	#define PUSH(b) \
36	(memwrite(0x0100 + regs.sp--, b))	34	(memwrite(0x0100 + regs.sp--, b))