diff options
Diffstat (limited to 'src/emu/cpu/tms34010/34010fld.c')
-rw-r--r-- | src/emu/cpu/tms34010/34010fld.c | 683 |
1 files changed, 683 insertions, 0 deletions
diff --git a/src/emu/cpu/tms34010/34010fld.c b/src/emu/cpu/tms34010/34010fld.c new file mode 100644 index 00000000000..dc3e4896da9 --- /dev/null +++ b/src/emu/cpu/tms34010/34010fld.c @@ -0,0 +1,683 @@ +/*************************************************************************** + + TMS34010: Portable Texas Instruments TMS34010 emulator + + Copyright (C) Alex Pasadyn/Zsolt Vasvari 1998 + Parts based on code by Aaron Giles + +***************************************************************************/ + +#include "debugger.h" +#include "tms34010.h" +#include "34010ops.h" + + +/*************************************************************************** + FIELD WRITE FUNCTIONS +***************************************************************************/ + +static void wfield_01(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x01,16); +} + +static void wfield_02(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x03,15); +} + +static void wfield_03(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x07,14); +} + +static void wfield_04(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x0f,13); +} + +static void wfield_05(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x1f,12); +} + +static void wfield_06(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x3f,11); +} + +static void wfield_07(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x7f,10); +} + +static void wfield_08(offs_t offset,UINT32 data) +{ + WFIELDMAC_8; +} + +static void wfield_09(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x1ff,8); +} + +static void wfield_10(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x3ff,7); +} + +static void wfield_11(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x7ff,6); +} + +static void wfield_12(offs_t offset,UINT32 data) +{ + WFIELDMAC(0xfff,5); +} + +static void wfield_13(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x1fff,4); +} + +static void wfield_14(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x3fff,3); +} + +static void wfield_15(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x7fff,2); +} + +static void wfield_16(offs_t offset,UINT32 data) +{ + if (offset & 0x0f) + { + WFIELDMAC(0xffff,1); + } + else + { + TMS34010_WRMEM_WORD(TOBYTE(offset),data); + } +} + +static void wfield_17(offs_t offset,UINT32 data) +{ + WFIELDMAC(0x1ffff,0); +} + +static void wfield_18(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x3ffff,15); +} + +static void wfield_19(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x7ffff,14); +} + +static void wfield_20(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0xfffff,13); +} + +static void wfield_21(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x1fffff,12); +} + +static void wfield_22(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x3fffff,11); +} + +static void wfield_23(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x7fffff,10); +} + +static void wfield_24(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0xffffff,9); +} + +static void wfield_25(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x1ffffff,8); +} + +static void wfield_26(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x3ffffff,7); +} + +static void wfield_27(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x7ffffff,6); +} + +static void wfield_28(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0xfffffff,5); +} + +static void wfield_29(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x1fffffff,4); +} + +static void wfield_30(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x3fffffff,3); +} + +static void wfield_31(offs_t offset,UINT32 data) +{ + WFIELDMAC_BIG(0x7fffffff,2); +} + +static void wfield_32(offs_t offset,UINT32 data) +{ + WFIELDMAC_32; +} + + +void (*tms34010_wfield_functions[32])(offs_t offset,UINT32 data) = +{ + wfield_32, wfield_01, wfield_02, wfield_03, wfield_04, wfield_05, + wfield_06, wfield_07, wfield_08, wfield_09, wfield_10, wfield_11, + wfield_12, wfield_13, wfield_14, wfield_15, wfield_16, wfield_17, + wfield_18, wfield_19, wfield_20, wfield_21, wfield_22, wfield_23, + wfield_24, wfield_25, wfield_26, wfield_27, wfield_28, wfield_29, + wfield_30, wfield_31 +}; + + + +/*************************************************************************** + FIELD READ FUNCTIONS (ZERO-EXTEND) +***************************************************************************/ + +static UINT32 rfield_z_01(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x01,16); + return ret; +} + +static UINT32 rfield_z_02(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x03,15); + return ret; +} + +static UINT32 rfield_z_03(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x07,14); + return ret; +} + +static UINT32 rfield_z_04(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x0f,13); + return ret; +} + +static UINT32 rfield_z_05(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x1f,12); + return ret; +} + +static UINT32 rfield_z_06(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x3f,11); + return ret; +} + +static UINT32 rfield_z_07(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x7f,10); + return ret; +} + +static UINT32 rfield_z_08(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_8; + return ret; +} + +static UINT32 rfield_z_09(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x1ff,8); + return ret; +} + +static UINT32 rfield_z_10(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x3ff,7); + return ret; +} + +static UINT32 rfield_z_11(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x7ff,6); + return ret; +} + +static UINT32 rfield_z_12(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0xfff,5); + return ret; +} + +static UINT32 rfield_z_13(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x1fff,4); + return ret; +} + +static UINT32 rfield_z_14(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x3fff,3); + return ret; +} + +static UINT32 rfield_z_15(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x7fff,2); + return ret; +} + +static UINT32 rfield_z_16(offs_t offset) +{ + UINT32 ret; + if (offset & 0x0f) + { + RFIELDMAC(0xffff,1); + } + + else + ret = TMS34010_RDMEM_WORD(TOBYTE(offset)); + return ret; +} + +static UINT32 rfield_z_17(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x1ffff,0); + return ret; +} + +static UINT32 rfield_z_18(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x3ffff,15); + return ret; +} + +static UINT32 rfield_z_19(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x7ffff,14); + return ret; +} + +static UINT32 rfield_z_20(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0xfffff,13); + return ret; +} + +static UINT32 rfield_z_21(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x1fffff,12); + return ret; +} + +static UINT32 rfield_z_22(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x3fffff,11); + return ret; +} + +static UINT32 rfield_z_23(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x7fffff,10); + return ret; +} + +static UINT32 rfield_z_24(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0xffffff,9); + return ret; +} + +static UINT32 rfield_z_25(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x1ffffff,8); + return ret; +} + +static UINT32 rfield_z_26(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x3ffffff,7); + return ret; +} + +static UINT32 rfield_z_27(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x7ffffff,6); + return ret; +} + +static UINT32 rfield_z_28(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0xfffffff,5); + return ret; +} + +static UINT32 rfield_z_29(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x1fffffff,4); + return ret; +} + +static UINT32 rfield_z_30(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x3fffffff,3); + return ret; +} + +static UINT32 rfield_z_31(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x7fffffff,2); + return ret; +} + +static UINT32 rfield_32(offs_t offset) +{ + RFIELDMAC_32; +} + + +/*************************************************************************** + FIELD READ FUNCTIONS (SIGN-EXTEND) +***************************************************************************/ + +static UINT32 rfield_s_01(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x01,16); + return ((INT32)(ret << 31)) >> 31; +} + +static UINT32 rfield_s_02(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x03,15); + return ((INT32)(ret << 30)) >> 30; +} + +static UINT32 rfield_s_03(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x07,14); + return ((INT32)(ret << 29)) >> 29; +} + +static UINT32 rfield_s_04(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x0f,13); + return ((INT32)(ret << 28)) >> 28; +} + +static UINT32 rfield_s_05(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x1f,12); + return ((INT32)(ret << 27)) >> 27; +} + +static UINT32 rfield_s_06(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x3f,11); + return ((INT32)(ret << 26)) >> 26; +} + +static UINT32 rfield_s_07(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x7f,10); + return ((INT32)(ret << 25)) >> 25; +} + +static UINT32 rfield_s_08(offs_t offset) +{ + UINT32 ret; + if (offset & 0x07) + { + RFIELDMAC(0xff,9); + } + + else + ret = TMS34010_RDMEM(TOBYTE(offset)); + return (INT32)(INT8)ret; +} + +static UINT32 rfield_s_09(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x1ff,8); + return ((INT32)(ret << 23)) >> 23; +} + +static UINT32 rfield_s_10(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x3ff,7); + return ((INT32)(ret << 22)) >> 22; +} + +static UINT32 rfield_s_11(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x7ff,6); + return ((INT32)(ret << 21)) >> 21; +} + +static UINT32 rfield_s_12(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0xfff,5); + return ((INT32)(ret << 20)) >> 20; +} + +static UINT32 rfield_s_13(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x1fff,4); + return ((INT32)(ret << 19)) >> 19; +} + +static UINT32 rfield_s_14(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x3fff,3); + return ((INT32)(ret << 18)) >> 18; +} + +static UINT32 rfield_s_15(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x7fff,2); + return ((INT32)(ret << 17)) >> 17; +} + +static UINT32 rfield_s_16(offs_t offset) +{ + UINT32 ret; + if (offset & 0x0f) + { + RFIELDMAC(0xffff,1); + } + + else + { + ret = TMS34010_RDMEM_WORD(TOBYTE(offset)); + } + + return (INT32)(INT16)ret; +} + +static UINT32 rfield_s_17(offs_t offset) +{ + UINT32 ret; + RFIELDMAC(0x1ffff,0); + return ((INT32)(ret << 15)) >> 15; +} + +static UINT32 rfield_s_18(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x3ffff,15); + return ((INT32)(ret << 14)) >> 14; +} + +static UINT32 rfield_s_19(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x7ffff,14); + return ((INT32)(ret << 13)) >> 13; +} + +static UINT32 rfield_s_20(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0xfffff,13); + return ((INT32)(ret << 12)) >> 12; +} + +static UINT32 rfield_s_21(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x1fffff,12); + return ((INT32)(ret << 11)) >> 11; +} + +static UINT32 rfield_s_22(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x3fffff,11); + return ((INT32)(ret << 10)) >> 10; +} + +static UINT32 rfield_s_23(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x7fffff,10); + return ((INT32)(ret << 9)) >> 9; +} + +static UINT32 rfield_s_24(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0xffffff,9); + return ((INT32)(ret << 8)) >> 8; +} + +static UINT32 rfield_s_25(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x1ffffff,8); + return ((INT32)(ret << 7)) >> 7; +} + +static UINT32 rfield_s_26(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x3ffffff,7); + return ((INT32)(ret << 6)) >> 6; +} + +static UINT32 rfield_s_27(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x7ffffff,6); + return ((INT32)(ret << 5)) >> 5; +} + +static UINT32 rfield_s_28(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0xfffffff,5); + return ((INT32)(ret << 4)) >> 4; +} + +static UINT32 rfield_s_29(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x1fffffff,4); + return ((INT32)(ret << 3)) >> 3; +} + +static UINT32 rfield_s_30(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x3fffffff,3); + return ((INT32)(ret << 2)) >> 2; +} + +static UINT32 rfield_s_31(offs_t offset) +{ + UINT32 ret; + RFIELDMAC_BIG(0x7fffffff,2); + return ((INT32)(ret << 1)) >> 1; +} + +UINT32 (*tms34010_rfield_functions[64])(offs_t offset) = +{ + rfield_32 , rfield_z_01, rfield_z_02, rfield_z_03, rfield_z_04, rfield_z_05, + rfield_z_06, rfield_z_07, rfield_z_08, rfield_z_09, rfield_z_10, rfield_z_11, + rfield_z_12, rfield_z_13, rfield_z_14, rfield_z_15, rfield_z_16, rfield_z_17, + rfield_z_18, rfield_z_19, rfield_z_20, rfield_z_21, rfield_z_22, rfield_z_23, + rfield_z_24, rfield_z_25, rfield_z_26, rfield_z_27, rfield_z_28, rfield_z_29, + rfield_z_30, rfield_z_31, + rfield_32 , rfield_s_01, rfield_s_02, rfield_s_03, rfield_s_04, rfield_s_05, + rfield_s_06, rfield_s_07, rfield_s_08, rfield_s_09, rfield_s_10, rfield_s_11, + rfield_s_12, rfield_s_13, rfield_s_14, rfield_s_15, rfield_s_16, rfield_s_17, + rfield_s_18, rfield_s_19, rfield_s_20, rfield_s_21, rfield_s_22, rfield_s_23, + rfield_s_24, rfield_s_25, rfield_s_26, rfield_s_27, rfield_s_28, rfield_s_29, + rfield_s_30, rfield_s_31 +}; + |