The-Homebrew-Cloud/Genesis-Plus-GX
2
0
Fork 0
mirror of https://github.com/ekeeke/Genesis-Plus-GX.git synced 2025-01-14 12:19:06 +01:00
Code Issues Packages Projects Releases Wiki Activity

[Core/CD] improved Main-CPU & Sub-CPU idle loop detection (fixes cases where ADDQ instruction is used in tight counter incrementing loop)

Browse Source
This commit is contained in:
ekeeke 2024-02-05 23:28:18 +01:00
parent 64d3e08e7d
commit 79bd0e7582
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
core/m68k/m68kops.h
View File

@ -1868,6 +1868,9 @@ static void m68k_op_addq_8_d(void)
FLAG_Z = MASK_OUT_ABOVE_8(res); FLAG_Z = MASK_OUT_ABOVE_8(res);
*r_dst = MASK_OUT_BELOW_8(*r_dst) | FLAG_Z; *r_dst = MASK_OUT_BELOW_8(*r_dst) | FLAG_Z;
/* reset idle loop detection (fixes cases where instruction is used in tight counter incrementing loop) */
m68ki_cpu.poll.detected = 0;
} }
@ -2028,6 +2031,9 @@ static void m68k_op_addq_16_d(void)
FLAG_Z = MASK_OUT_ABOVE_16(res); FLAG_Z = MASK_OUT_ABOVE_16(res);
*r_dst = MASK_OUT_BELOW_16(*r_dst) | FLAG_Z; *r_dst = MASK_OUT_BELOW_16(*r_dst) | FLAG_Z;
/* reset idle loop detection (fixes cases where instruction is used in tight counter incrementing loop) */
m68ki_cpu.poll.detected = 0;
} }
@ -2164,6 +2170,9 @@ static void m68k_op_addq_32_d(void)
FLAG_Z = MASK_OUT_ABOVE_32(res); FLAG_Z = MASK_OUT_ABOVE_32(res);
*r_dst = FLAG_Z; *r_dst = FLAG_Z;
/* reset idle loop detection (fixes cases where instruction is used in tight counter incrementing loop) */
m68ki_cpu.poll.detected = 0;
} }