m68k: new CPU capability - the TST instruction supports address registers (68020+ and CF)

This commit is contained in:
Karoly Balogh 2025-02-17 11:49:00 +01:00
parent 12599706e5
commit 7c01edf831

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@ -171,7 +171,8 @@ type
CPUM68K_HAS_INDEXWORD, { CPU supports indexing with 16bit index }
CPUM68K_HAS_BYTEWORDMATH, { CPU supports supports 8 and 16bit aritmetic operations }
CPUM68K_HAS_BITFIELD, { CPU supports bitfield instructions }
CPUM68K_HAS_LONGENCODING { CPU supports long instruction encoding (i.e. non-CF) }
CPUM68K_HAS_LONGENCODING, { CPU supports long instruction encoding (i.e. non-CF) }
CPUM68K_HAS_TSTAREG { CPU supports TST on address registers }
);
tfpuflags =
@ -187,14 +188,14 @@ const
cpu_capabilities : array[tcputype] of set of tcpuflags =
( { cpu_none } [],
{ cpu_68000 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_TAS,CPUM68K_HAS_ROLROR,CPUM68K_HAS_MULIMM,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_BYTEWORDMATH,CPUM68K_HAS_LONGENCODING],
{ cpu_68020 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_RTD,CPUM68K_HAS_CAS,CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_ROLROR,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_BASEDISP,CPUM68K_HAS_LONGLINK,CPUM68K_HAS_MULIMM,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_64BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_64BITDIV,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_INDEXSCALE8,CPUM68K_HAS_INDEXWORD,CPUM68K_HAS_BYTEWORDMATH,CPUM68K_HAS_BITFIELD,CPUM68K_HAS_LONGENCODING],
{ cpu_68040 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_RTD,CPUM68K_HAS_CAS,CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_ROLROR,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_BASEDISP,CPUM68K_HAS_LONGLINK,CPUM68K_HAS_MULIMM,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_64BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_64BITDIV,CPUM68K_HAS_MOVE16,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_INDEXSCALE8,CPUM68K_HAS_INDEXWORD,CPUM68K_HAS_BYTEWORDMATH,CPUM68K_HAS_BITFIELD,CPUM68K_HAS_LONGENCODING],
{ cpu_68060 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_RTD,CPUM68K_HAS_CAS,CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_ROLROR,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_BASEDISP,CPUM68K_HAS_LONGLINK,CPUM68K_HAS_MULIMM,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_MOVE16,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_INDEXSCALE8,CPUM68K_HAS_INDEXWORD,CPUM68K_HAS_BYTEWORDMATH,CPUM68K_HAS_BITFIELD,CPUM68K_HAS_LONGENCODING],
{ cpu_isaa } [CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE],
{ cpu_isaap } [CPUM68K_HAS_BRAL,CPUM68K_HAS_BYTEREV,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE],
{ cpu_isab } [CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_MVSMVZ,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE],
{ cpu_isac } [CPUM68K_HAS_TAS,CPUM68K_HAS_BYTEREV,CPUM68K_HAS_MVSMVZ,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE],
{ cpu_cfv4e } [CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_MVSMVZ,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE]
{ cpu_68020 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_RTD,CPUM68K_HAS_CAS,CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_ROLROR,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_BASEDISP,CPUM68K_HAS_LONGLINK,CPUM68K_HAS_MULIMM,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_64BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_64BITDIV,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_INDEXSCALE8,CPUM68K_HAS_INDEXWORD,CPUM68K_HAS_BYTEWORDMATH,CPUM68K_HAS_BITFIELD,CPUM68K_HAS_LONGENCODING,CPUM68K_HAS_TSTAREG],
{ cpu_68040 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_RTD,CPUM68K_HAS_CAS,CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_ROLROR,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_BASEDISP,CPUM68K_HAS_LONGLINK,CPUM68K_HAS_MULIMM,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_64BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_64BITDIV,CPUM68K_HAS_MOVE16,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_INDEXSCALE8,CPUM68K_HAS_INDEXWORD,CPUM68K_HAS_BYTEWORDMATH,CPUM68K_HAS_BITFIELD,CPUM68K_HAS_LONGENCODING,CPUM68K_HAS_TSTAREG],
{ cpu_68060 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_RTD,CPUM68K_HAS_CAS,CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_ROLROR,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_BASEDISP,CPUM68K_HAS_LONGLINK,CPUM68K_HAS_MULIMM,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_MOVE16,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_INDEXSCALE8,CPUM68K_HAS_INDEXWORD,CPUM68K_HAS_BYTEWORDMATH,CPUM68K_HAS_BITFIELD,CPUM68K_HAS_LONGENCODING,CPUM68K_HAS_TSTAREG],
{ cpu_isaa } [CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_TSTAREG],
{ cpu_isaap } [CPUM68K_HAS_BRAL,CPUM68K_HAS_BYTEREV,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_TSTAREG],
{ cpu_isab } [CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_MVSMVZ,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_TSTAREG],
{ cpu_isac } [CPUM68K_HAS_TAS,CPUM68K_HAS_BYTEREV,CPUM68K_HAS_MVSMVZ,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_TSTAREG],
{ cpu_cfv4e } [CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL,CPUM68K_HAS_MVSMVZ,CPUM68K_HAS_UNALIGNED,CPUM68K_HAS_32BITMUL,CPUM68K_HAS_16BITDIV,CPUM68K_HAS_32BITDIV,CPUM68K_HAS_REMSREMU,CPUM68K_HAS_INDEXSCALE,CPUM68K_HAS_TSTAREG]
);
{ on m68k, Motorola provided a software-library, which provides full '881/2 instruction set