From 0cf532c00d07ba9dbfb4dc01325d200c80e74353 Mon Sep 17 00:00:00 2001 From: Kelvin Sherlock Date: Mon, 28 Jan 2019 23:03:04 -0500 Subject: [PATCH] BRK / COP weren't pushing the current z/neg flags. --- src/instable.h | 53 ++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 41 insertions(+), 12 deletions(-) diff --git a/src/instable.h b/src/instable.h index 5ff6a5e..95ab03a 100644 --- a/src/instable.h +++ b/src/instable.h @@ -81,17 +81,30 @@ brk_testing_SYM } g_num_brk++; INC_KPC_2; + + psr = psr & (~0x82); + psr |= (neg << 7); + psr |= ((!zero) << 1); + tmp1 = psr & 0xff; if(psr & 0x100) { - PUSH16(kpc & 0xffff); - PUSH8(psr & 0xff); + MMU_CHECK( + ((stack - 2) & 0xff) | 0x0100, + (kpc << 8) | tmp1, 3, 1, 1 + ) + _PUSH16(kpc & 0xffff); + _PUSH8(tmp1); GET_MEMORY16(0xfffe, kpc, 0); dbank = 0; } else { - PUSH8(kpc >> 16); - PUSH16(kpc); - PUSH8(psr & 0xff); + MMU_CHECK( + (stack - 3) & 0xffff, + (kpc << 8) | tmp1, 4, 0, 1 + ) + _PUSH8(kpc >> 16); + _PUSH16(kpc); + _PUSH8(tmp1); GET_MEMORY16(0xffe6, kpc, 0); - halt_printf("Halting for native break!\n"); + //halt_printf("Halting for native break!\n"); } kpc = kpc & 0xffff; psr |= 0x4; @@ -155,16 +168,32 @@ cop_native_SYM #else g_num_cop++; INC_KPC_2; + + psr = psr & (~0x82); + psr |= (neg << 7); + psr |= ((!zero) << 1); + tmp1 = psr & 0xff; + if(psr & 0x100) { - halt_printf("Halting for emul COP at %04x\n", kpc); - PUSH16(kpc & 0xffff); - PUSH8(psr & 0xff); + //halt_printf("Halting for emul COP at %04x\n", kpc); + MMU_CHECK( + ((stack - 2) & 0xff) | 0x0100, + (kpc << 8) | tmp1, 3, 1, 1 + ) + + _PUSH16(kpc & 0xffff); + _PUSH8(tmp1); GET_MEMORY16(0xfff4, kpc, 0); dbank = 0; } else { - PUSH8(kpc >> 16); - PUSH16(kpc & 0xffff); - PUSH8(psr & 0xff); + MMU_CHECK( + (stack - 3) & 0xffff, + (kpc << 8) | tmp1, 4, 0, 1 + ) + + _PUSH8(kpc >> 16); + _PUSH16(kpc & 0xffff); + _PUSH8(tmp1); GET_MEMORY16(0xffe4, kpc, 0); } kpc = kpc & 0xffff;