From 2bce5171a00ae99c46d20c6607a2ce7f3bb0994c Mon Sep 17 00:00:00 2001 From: notaz Date: Tue, 15 Aug 2023 23:06:33 +0300 Subject: [PATCH] psxbios: more pad stuff maybe done? --- libpcsxcore/psxbios.c | 106 +++++++++++++++++++----------------------- 1 file changed, 48 insertions(+), 58 deletions(-) diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c index 7e88c9cd..be3bc844 100644 --- a/libpcsxcore/psxbios.c +++ b/libpcsxcore/psxbios.c @@ -253,7 +253,6 @@ typedef struct { u32 mcfile; } FileDesc; -static int *pad_buf = NULL; static u32 heap_size = 0; static u32 *heap_addr = NULL; static u32 *heap_end = NULL; @@ -275,13 +274,16 @@ static u32 card_active_chan = 0; #define A_KMALLOC_PTR 0x7460 #define A_KMALLOC_SIZE 0x7464 #define A_KMALLOC_END 0x7468 -#define A_PADCRD_CHN_E 0x74a8 // pad/card irq chain entry +#define A_PADCRD_CHN_E 0x74a8 // pad/card irq chain entry, see hleExcPadCard1() #define A_PAD_IRQR_ENA 0x74b8 // pad read on vint irq (nocash 'pad_enable_flag') #define A_CARD_IRQR_ENA 0x74bc // same for card #define A_PAD_INBUF 0x74c8 // 2x buffers for rx pad data #define A_PAD_OUTBUF 0x74d0 // 2x buffers for tx pad data #define A_PAD_IN_LEN 0x74d8 #define A_PAD_OUT_LEN 0x74e0 +#define A_PAD_DR_DST 0x74c4 +#define A_PAD_DR_BUF1 0x7570 +#define A_PAD_DR_BUF2 0x7598 #define A_EEXIT_PTR 0x75d0 #define A_EXC_STACK 0x85d8 // exception stack top #define A_RCNT_VBL_ACK 0x8600 @@ -2078,7 +2080,7 @@ void psxBios_InitPAD() { // 0x12 PSXBIOS_LOG("psxBios_%s %x %x %x %x\n", biosB0n[0x12], a0, a1, a2, a3); // printf("%s", "PS-X Control PAD Driver Ver 3.0"); - // PAD_dr_enable = 0; + ram32[A_PAD_DR_DST/4] = 0; ram32[A_PAD_OUTBUF/4 + 0] = 0; ram32[A_PAD_OUTBUF/4 + 1] = 0; ram32[A_PAD_OUT_LEN/4 + 0] = 0; @@ -2125,30 +2127,53 @@ void psxBios_StopPAD() { // 14 mips_return_void_c(200); } -void psxBios_PAD_init() { // 15 -#ifdef PSXBIOS_LOG +static void psxBios_PAD_init() { // 15 + u32 ret = 0; PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]); -#endif - if (!(a0 == 0x20000000 || a0 == 0x20000001)) + if (a0 == 0x20000000 || a0 == 0x20000001) { - v0 = 0; - pc0 = ra; - return; + u32 dst = a1; + a0 = A_PAD_DR_BUF1; a1 = 0x22; + a2 = A_PAD_DR_BUF2; a3 = 0x22; + psxBios_InitPAD(); + psxBios_StartPAD(); + storeRam32(A_PAD_DR_DST, dst); + ret = 2; + } + mips_return_c(ret, 100); +} + +static u32 psxBios_PAD_dr_() { + u8 *dst = loadRam32ptr(A_PAD_DR_DST); + u8 *buf1 = castRam8ptr(A_PAD_DR_BUF1); + u8 *buf2 = castRam8ptr(A_PAD_DR_BUF2); + dst[0] = dst[1] = dst[2] = dst[3] = ~0; + if (buf1[0] == 0 && (buf1[1] == 0x23 || buf1[1] == 0x41)) + { + dst[0] = buf1[3], dst[1] = buf1[2]; + if (buf1[1] == 0x23) { + dst[0] |= 0xc7, dst[1] |= 7; + if (buf1[5] >= 0x10) dst[0] &= ~(1u << 6); + if (buf1[6] >= 0x10) dst[0] &= ~(1u << 7); + } } - psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1)); - pad_buf = (int *)Ra1; - *pad_buf = -1; - psxRegs.CP0.n.SR |= 0x401; - v0 = 2; - pc0 = ra; + if (buf2[0] == 0 && (buf2[1] == 0x23 || buf2[1] == 0x41)) + { + dst[2] = buf2[3], dst[3] = buf2[2]; + if (buf2[1] == 0x23) { + dst[2] |= 0xc7, dst[3] |= 7; + if (buf2[5] >= 0x10) dst[2] &= ~(1u << 6); + if (buf2[6] >= 0x10) dst[2] &= ~(1u << 7); + } + } + use_cycles(55); + return SWAP32(*(u32 *)dst); } -void psxBios_PAD_dr() { // 16 -#ifdef PSXBIOS_LOG +static void psxBios_PAD_dr() { // 16 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]); -#endif - - v0 = -1; pc0 = ra; + u32 ret = psxBios_PAD_dr_(); + mips_return(ret); } static void psxBios_ReturnFromException() { // 17 @@ -3498,7 +3523,6 @@ void psxBiosInit() { //************** THE END *************************************** /**/ - pad_buf = NULL; heap_addr = NULL; heap_end = NULL; heap_size = 0; @@ -3633,40 +3657,6 @@ void psxBiosCnfLoaded(u32 tcb_cnt, u32 evcb_cnt) { } \ } -static void biosPadHLE() { - if (pad_buf != NULL) { - u32 *buf = (u32*)pad_buf; - - PAD1_startPoll(1); - if (PAD1_poll(0x42) == 0x23) { - PAD1_poll(0); - *buf = PAD1_poll(0) << 8; - *buf |= PAD1_poll(0); - PAD1_poll(0); - *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0); - *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0); - } else { - PAD1_poll(0); - *buf = PAD1_poll(0) << 8; - *buf|= PAD1_poll(0); - } - - PAD2_startPoll(2); - if (PAD2_poll(0x42) == 0x23) { - PAD2_poll(0); - *buf |= PAD2_poll(0) << 24; - *buf |= PAD2_poll(0) << 16; - PAD2_poll(0); - *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0); - *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0); - } else { - PAD2_poll(0); - *buf |= PAD2_poll(0) << 24; - *buf |= PAD2_poll(0) << 16; - } - } -} - static void handle_chain_x_x_1(u32 enable, u32 irqbit) { use_cycles(10); @@ -3852,8 +3842,9 @@ void hleExcPadCard1(void) psxBios_PADpoll(1); psxBios_PADpoll(2); - biosPadHLE(); use_cycles(100); + if (loadRam32(A_PAD_DR_DST)) + psxBios_PAD_dr_(); } if (loadRam32(A_PAD_ACK_VBL)) psxHwWrite16(0x1f801070, ~1); @@ -3954,7 +3945,6 @@ void psxBiosException() { void psxBiosFreeze(int Mode) { u32 base = 0x40000; - bfreezepsxMptr(pad_buf, int); bfreezepsxMptr(heap_addr, u32); bfreezes(FDesc); bfreezel(&card_active_chan); -- 2.39.2