a_dinosaur/ZSNES
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed MMX detection; now checks for CPUID. [kode54]

Browse Source
This commit is contained in:
stainless
2001-09-14 05:17:40 +00:00
parent 7687ff97cb
commit ed4d7ea795
1 changed files with 124 additions and 95 deletions
Download Patch File Download Diff File Expand all files Collapse all files

219
zsnes/src/ui.asm
View File

@@ -124,8 +124,10 @@ NEWSYM zstart
call WaitForKey
jmp init
section .data
.failedalignd db 'Data Alignment Failure : ',0
.failedalignc db 'Code Alignment Failure : ',0
section .text
ALIGN32
NEWSYM outofmemory
@@ -170,64 +172,70 @@ NEWSYM welcome
db 'check license.txt.',10,13,10,13
db 'Use ZSNES -? for command line definitions',13,10,13,10,0
cpuidfname db 'nocpuzid.dat',0
cpuidtext db 'NOTE: If ZSNES crashes here, then please re-run. ',0
cpuidtext2 db 13,' ',13,0
;cpuidfname db 'nocpuzid.dat',0
;cpuidtext db 'NOTE: If ZSNES crashes here, then please re-run. ',0
;cpuidtext2 db 13,' ',13,0
YesMMX db 'MMX support enabled.',13,10,13,10,0
; global variables
NEWSYM string, times 512 db 0
NEWSYM fname, times 512 db 0
NEWSYM fnames, times 512 db 0 ; sram filename
NEWSYM fnamest, times 512 db 0 ; state filename
ALIGN32
NEWSYM prevvid, dd 0
NEWSYM selc0040, dd 0
NEWSYM selcA000, dd 0
NEWSYM selcB800, dd 0
NEWSYM filefound, dd 0 ; Parameter String Found
NEWSYM prevdash, dd 0 ; Previous Dash Value
NEWSYM frameskip, dd 0 ; 0 = Auto, 1-10 = Skip 0 .. 9
NEWSYM per2exec, dd 100 ; percentage of opcodes to execute
NEWSYM vidbuffer, dd 0 ; video buffer (1024x239 = 244736)
NEWSYM ngwinptr, dd 0
NEWSYM vidbufferm, dd 0 ; video buffer mirror
NEWSYM vidbufferofsa, dd 0 ; offset 1
NEWSYM vidbufferofsb, dd 0 ; offset 2
NEWSYM vidbufferofsc, dd 0 ; offset 2
NEWSYM vidbufferofsmos, dd 0 ; mosaic offset for new graphics engine
NEWSYM headdata, dd 0
NEWSYM romdata, dd 0 ; rom data (4MB = 4194304)
NEWSYM sfxramdata, dd 0 ; SuperFX Ram Data
NEWSYM wramdata, dd 0 ; stack (64K = 32768)
NEWSYM ram7f, dd 0 ; ram @ 7f = 65536
NEWSYM vram, dd 0 ; vram = 65536
NEWSYM sram, dd 0 ; sram = 32768
NEWSYM spritetablea, dd 0 ;
NEWSYM spcBuffera, dd 0 ;
NEWSYM debugbuf, dd 0 ; debug buffer = 38x1000 = 38000
NEWSYM regptr, dd 0 ; pointer to registers
NEWSYM regptw, dd 0 ; pointer to registers
NEWSYM vcache2b, dd 0 ; 2-bit video cache
NEWSYM vcache4b, dd 0 ; 4-bit video cache
NEWSYM vcache8b, dd 0 ; 8-bit video cache
NEWSYM vcache2bs, dd 0 ; 2-bit video secondary cache
NEWSYM vcache4bs, dd 0 ; 4-bit video secondary cache
NEWSYM vcache8bs, dd 0 ; 8-bit video secondary cache
NEWSYM romispal, db 0 ; 0 = NTSC, 1 = PAL
NEWSYM enterpress, db 0 ; if enter is to be issued (0 = yes)
NEWSYM SoundCompD, db 1 ; Disable Sound Compression Buffering (1=y)
NEWSYM newgfx16b, db 0
NEWSYM BitConv32Ptr, dd 0
NEWSYM previdmode, db 0 ; previous video mode
%ifdef __MSDOS__
NEWSYM cvidmode, db 4 ; video mode, 0=320x240, 1=256x256
%else
NEWSYM cvidmode, db 1 ; video mode, 0=320x240, 1=256x256
%endif
NEWSYM cbitmode, db 0 ; bit mode, 0=8bit, 1=16bit
section .bss
NEWSYM string, resb 512
NEWSYM fname, resb 512
NEWSYM fnames, resb 512 ; sram filename
NEWSYM fnamest, resb 512 ; state filename
NEWSYM prevvid, resd 1
NEWSYM selc0040, resd 1
NEWSYM selcA000, resd 1
NEWSYM selcB800, resd 1
NEWSYM filefound, resd 1 ; Parameter String Found
NEWSYM prevdash, resd 1 ; Previous Dash Value
NEWSYM frameskip, resd 1 ; 0 = Auto, 1-10 = Skip 0 .. 9
NEWSYM vidbuffer, resd 1 ; video buffer (1024x239 = 244736)
NEWSYM ngwinptr, resd 1
NEWSYM vidbufferm, resd 1 ; video buffer mirror
NEWSYM vidbufferofsa, resd 1 ; offset 1
NEWSYM vidbufferofsb, resd 1 ; offset 2
NEWSYM vidbufferofsc, resd 1 ; offset 2
NEWSYM vidbufferofsmos, resd 1 ; mosaic offset for new graphics engine
NEWSYM headdata, resd 1
NEWSYM romdata, resd 1 ; rom data (4MB = 4194304)
NEWSYM sfxramdata, resd 1 ; SuperFX Ram Data
NEWSYM wramdata, resd 1 ; stack (64K = 32768)
NEWSYM ram7f, resd 1 ; ram @ 7f = 65536
NEWSYM vram, resd 1 ; vram = 65536
NEWSYM sram, resd 1 ; sram = 32768
NEWSYM spritetablea, resd 1 ;
NEWSYM spcBuffera, resd 1 ;
NEWSYM debugbuf, resd 1 ; debug buffer = 38x1000 = 38000
NEWSYM regptr, resd 1 ; pointer to registers
NEWSYM regptw, resd 1 ; pointer to registers
NEWSYM vcache2b, resd 1 ; 2-bit video cache
NEWSYM vcache4b, resd 1 ; 4-bit video cache
NEWSYM vcache8b, resd 1 ; 8-bit video cache
NEWSYM vcache2bs, resd 1 ; 2-bit video secondary cache
NEWSYM vcache4bs, resd 1 ; 4-bit video secondary cache
NEWSYM vcache8bs, resd 1 ; 8-bit video secondary cache
NEWSYM romispal, resb 1 ; 0 = NTSC, 1 = PAL
NEWSYM enterpress, resb 1 ; if enter is to be issued (0 = yes)
NEWSYM newgfx16b, resb 1
NEWSYM BitConv32Ptr, resd 1
NEWSYM previdmode, resb 1 ; previous video mode
NEWSYM cbitmode, resb 1 ; bit mode, 0=8bit, 1=16bit
SECTION .data
NEWSYM opexec268, db 171 ; # of opcodes/scanline in 2.68Mhz mode
NEWSYM opexec358, db 180 ; # of opcodes/scanline in 3.58Mhz mode (228/180)
NEWSYM opexec268cph, db 42 ; # of opcodes/hblank in 2.68Mhz mode
@@ -272,7 +280,7 @@ NEWSYM MusicRelVol, db 75
NEWSYM MusicVol, db 0
;NEWSYM BetaUser, db 37,38,210,56,78,23,7,7,0
;SECTION .text
SECTION .text
;*******************************************************
; Set Noise Data
@@ -525,10 +533,11 @@ SECTION .data
.string2s db 'CMDLINE',0
.stringnf db 'SET CMDLINE LINE NOT FOUND!',13,0
NEWSYM CMDLineStr, times 256 db 0
NEWSYM GUIFName, times 256 db 0
NEWSYM GUICName, times 256 db 0
NEWSYM FilenameStart, dd 0
SECTION .bss
NEWSYM CMDLineStr, resb 256
NEWSYM GUIFName, resb 256
NEWSYM GUICName, resb 256
NEWSYM FilenameStart, resd 1
SECTION .text
@@ -755,9 +764,12 @@ NEWSYM getblaster
%endif
ret
SECTION .bss
.blfound resb 1
.cursetting resb 1
SECTION .data
.string2s db 'BLASTER',0
.blfound db 0
.blasterstr db 'ERROR : SET BLASTER environment NOT found!',10,13
.blasterstr2 db 'Unable to enable sound.'
.blasterstr2b db 10,13,10,13
@@ -767,18 +779,17 @@ SECTION .data
.blinfob db 13,10,'IRQ : ',0
.blinfoc db 13,10,'DMA : ',0
.blinfod db 13,10,'HDMA : ',0
.cursetting db 0
NEWSYM PICRotateP, db 20h
NEWSYM PICMaskP, db 21h
SECTION .text
;SECTION .text
;*******************************************************
; Variable section
;*******************************************************
SECTION .bss
ALIGN32
;ALIGN32
NEWSYM vrama, resb 65536
NEWSYM mode7tab, resb 65536
@@ -869,20 +880,20 @@ AllocateBlock:
ret
SECTION .data
SECTION .bss
ALIGN32
vbufaptr dd 0
vbufeptr dd 0
ngwinptrb dd 0
romaptr dd 0
vbufcptr dd 0
NEWSYM vbufdptr, dd 0
vc2bptr dd 0
vc4bptr dd 0
vc8bptr dd 0
cmemallocptr dd 0
memfreearray times 12 dd 0
;ALIGN32
vbufaptr resd 1
vbufeptr resd 1
ngwinptrb resd 1
romaptr resd 1
vbufcptr resd 1
NEWSYM vbufdptr, resd 1
vc2bptr resd 1
vc4bptr resd 1
vc8bptr resd 1
cmemallocptr resd 1
memfreearray resd 12
SECTION .text
@@ -1134,6 +1145,7 @@ NEWSYM converthex
mov byte[esi],0
ret
section .data
.hexdat db '0123456789ABCDEF'
;*******************************************************
@@ -1166,8 +1178,9 @@ ShowIdentStr:
SECTION .data
.idstrdata db USERNAMEC
newestfileloc db 0
newestfiledate dd 0
SECTION .bss
newestfileloc resb 1
newestfiledate resd 1
SECTION .text
NEWSYM makeextension
@@ -1360,8 +1373,10 @@ NEWSYM tparms
mov byte[romloadskip],1
ret
SECTION .bss
.numparam resb 1
SECTION .data
.numparam db 0
.nostr db 'This emulator will not work without a filename!',13,10,0
.waitkey db 'Press Any Key to Continue.',0
.ret db 13,10,0
@@ -1554,11 +1569,8 @@ SECTION .data
.enter db 13,10,0
NEWSYM InitDrive, db 2
NEWSYM InitDir, times 512 db 0
NEWSYM SRAMDrive, db 2
NEWSYM SRAMDir, times 512 db 0
NEWSYM LoadDrive, db 2
NEWSYM LoadDir, times 512 db 0
%ifdef __LINUX__
NEWSYM gotoroot, db '/',0
@@ -1566,6 +1578,11 @@ NEWSYM gotoroot, db '/',0
NEWSYM gotoroot, db '\',0
%endif
SECTION .bss
NEWSYM InitDir, resb 512
NEWSYM SRAMDir, resb 512
NEWSYM LoadDir, resb 512
SECTION .text
NEWSYM DosExit ; Terminate Program
@@ -1595,32 +1612,44 @@ NEWSYM DosExit ; Terminate Program
NEWSYM MMXCheck
; Check for cpu that doesn't support CPUID
mov edx,cpuidfname
call Open_File
jc .skipcheck
mov bx,ax
call Close_File
jmp .nommx2
.skipcheck
; mov edx,cpuidfname
; call Open_File
; jc .skipcheck
; mov bx,ax
; call Close_File
; jmp .nommx2
;.skipcheck
; Create file
mov edx,cpuidfname
call Create_File
mov bx,ax
call Close_File
; mov edx,cpuidfname
; call Create_File
; mov bx,ax
; call Close_File
mov edx,cpuidtext
call PrintStr
; mov edx,cpuidtext
; call PrintStr
; Real way to check for presence of CPUID instruction -kode54
pushfd
pop eax
mov edx,eax
xor eax,1 << 21
push eax
popfd
pushfd
pop eax
xor eax,edx
jz .nommx
; MMX support
mov byte[FPUCopy],0
mov eax,1
CPUID
push edx
mov edx,cpuidtext2
call PrintStr
pop edx
; push edx
; mov edx,cpuidtext2
; call PrintStr
; pop edx
test edx,1 << 23
jz .nommx
@@ -1628,10 +1657,10 @@ NEWSYM MMXCheck
mov edx,YesMMX
call PrintStr
.nommx
; Delete file
mov edx,cpuidfname
call Delete_File
.nommx2
; ; Delete file
; mov edx,cpuidfname
; call Delete_File
;.nommx2
ret
NEWSYM UIAsmEnd