Apple-2-Tools/AppleWin
1
0
Fork 0
mirror of https://github.com/AppleWin/AppleWin.git synced 2025-04-28 10:37:20 +00:00
Code Issues Projects Releases Wiki Activity

Fix zpg addressing modes

Browse Source
This commit is contained in:
tomcw 2025-03-08 22:19:48 +00:00
parent f2d1a7f99b
commit 2aef1d45fe
1 changed files with 3 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
source/CPU/cpu_general.inl
View File

@ -337,24 +337,21 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#define _ZPGY addr = ((*(mem+regs.pc++))+regs.y) & 0xFF;
#define _ZPG_ALT \
if ((memreadPageType[regs.pc >> 8] != MEM_Aux1K) && \
(memreadPageType[*(mem+regs.pc)] != MEM_Aux1K)) { \
if (memreadPageType[regs.pc >> 8] != MEM_Aux1K) { \
_ZPG; \
} \
else { \
addr = READ_AUX1K_BYTE(regs.pc++); \
}
#define _ZPGX_ALT \
if ((memreadPageType[regs.pc >> 8] != MEM_Aux1K) && \
(memreadPageType[(*(mem+regs.pc)+regs.x) & 0xff] != MEM_Aux1K)) { \
if (memreadPageType[regs.pc >> 8] != MEM_Aux1K) { \
_ZPGX; \
} \
else { \
addr = (READ_AUX1K_BYTE(regs.pc++) + regs.x) & 0xFF;\
}
#define _ZPGY_ALT \
if ((memreadPageType[regs.pc >> 8] != MEM_Aux1K) && \
(memreadPageType[(*(mem+regs.pc)+regs.y) & 0xff] != MEM_Aux1K)) { \
if (memreadPageType[regs.pc >> 8] != MEM_Aux1K) { \
_ZPGY; \
} \
else { \