654 lines
15 KiB
NASM
654 lines
15 KiB
NASM
; DISPLAY "Service"
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; !FIXIT âãâ ¬®¦®, ¯®å®¤ã, ¤®åॠã¡à âì
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; ; áâà ¨æë á ª®ä®© ¤«ï Sp97, ¤«ï ᮢ¬¥á⨬®áâ¨ á ¤à¥¢¨¬¨ ¯à®£ ¬¨
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; PG_SP1 equ #EC
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; PG_SP2 equ #EE
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; PG_AY equ #EA
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; ;
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; ;!TODO § ¬ãâ¨âì § «¨¢ªã ª®äë, à¥áâ àâ, ¯¥à¥å¢ â à¥á¥â ᨫ ¬¨ BIOS
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; PG_Sp2000 EQU #FE
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; PG_Sp2000_REINIT EQU #FD
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;
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RST_CONF:
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;--[] ZX Spectrum
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.AY8910: CALL .ACC_OFF
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LD DE,ACEX.Config_ID.Sp97_AY
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JR .INT_PLD
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;LD A,CNF_PORT.CNF_1
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;OUT (SYS_PORT.ON),A
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;RET
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;--[]
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;--[] Sprinter ZX
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.SP97_1: CALL .ACC_OFF
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LD DE,ACEX.Config_ID.Sp97_1
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JR .INT_PLD
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;--[]
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;--[]
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.SP97_2: CALL .ACC_ON
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LD DE,ACEX.Config_ID.Sp97_2
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JR .INT_PLD
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;--[]
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;--[]
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;[x]
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.SP2000: CALL .ACC_ON
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LD DE,ACEX.Config_ID.Sp2000
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JR .INT_PLD
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;--[]
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;--[]
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.CUSTOM: LD C,A
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; ãáâ ¢«¨¢ ¥¬ ã«¥¢ãî ª àâã ¯®à⮢
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LD A,CNF_PORT.CNF_0
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OUT (SYS_PORT.ON),A
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LD A,C
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;
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CP #80 ;!FIXIT âãâ ⥯¥àì ¬®¦¥â «î¡®¥ ç¨á«® ¡ëâì ã áâ àëå ¯à®£ ; [ ] free zx pages
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JR NC,.CHOOSE_CNF
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; only for old FLEX10K soft compatible
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.crutch: LD C,SLOT3
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IN B,(C)
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OUT (C),A ; PAGE á ¯à®è¨¢ª®©
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LD DE,(#C090) ; PLD-ID
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OUT (C),B ; RET page
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;--[] ;JR INT_PLD
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.INT_PLD: ; only for old FLEX10K soft compatible
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LD C,SLOT3
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IN B,(C)
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LD A,SYS_PAGE
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OUT (C),A
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LD (SYS_PAGE.CONFIG_BYTE),DE
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OUT (C),B
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;
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LD A,E ; config-byte
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CP #FF
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LD A,#80
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JR Z,.YES_CBL
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XOR A
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.YES_CBL: LD BC,CBL.SYS_PORT
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OUT (C),A
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;
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LD A,E ; config-byte
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OR #FE ;!HARDCODE
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LD BC,Port_All_Mode ; SYSTEM Spectrum/Sprinter
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OUT (C),A
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;
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LD A,#3C
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OUT (FDC_93.DrvCTRL),A
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; ¢®ááâ ¢«¨¢ ¥¬ ª àâã ¯®à⮢ - ¯®å®¤ã, ¥ 㦮
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;LD C,SLOT3
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;IN B,(C)
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; LD A,SYS_PAGE
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; OUT (C),A
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; LD A,(SYS_PAGE.CONFIG_DE.CNF_PORT)
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;OUT (C),B
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;OUT (SYS_PORT.ON),A
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XOR A
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RET
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;
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;[x]
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.CHOOSE_CNF: ; [ ] bug with "free zx pages"
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LD A,high ZX_MEM_PORT.Scorpion
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IN A,(ZX_MEM_PORT) ;!HARDCODE
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RRCA
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LD A,C
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JR C,.not_vRAM_page
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;
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IN A,(SLOT3)
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CP C
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LD A,C
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JR Z,.crutch
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; [x]
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.not_vRAM_page: CP ACEX.Config_PG.Sp2000_SoftRestartNow
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JP Z,.ReturnSoftReset
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;
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CP ACEX.Config_PG.Sp2000_AcexSetUpNow
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JR Z,.INIT_ACEX
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;
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CP ACEX.Config_PG.Sp2000_SetUp
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JR Z,.SP2000
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;
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CP ACEX.Config_PG.Sp2000_SoftRestartSet
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JR Z,.SetUpSoftReset
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;
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CP ACEX.Config_PG.Sp2000_AcexSetUpSet
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JR Z,.SetUpHardReset
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;
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; only for old FLEX10K soft compatible
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CP ACEX.Config_PG.Sp97_1
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LD DE,ACEX.Config_ID.Sp97_1
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JR Z,.INT_PLD
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;
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CP ACEX.Config_PG.Sp97_2
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LD DE,ACEX.Config_ID.Sp97_2
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JR Z,.INT_PLD
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;
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CP ACEX.Config_PG.Sp97_AY
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LD DE,ACEX.Config_ID.Sp97_AY
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JR Z,.INT_PLD
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SCF
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RET
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;
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; B - ID à ¬¡«®ª á bitstream
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;[x]
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.INIT_ACEX: LD C,B
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LD B,high BIOS.REINIT.HARD_RESET
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CALL .PrepareResetSetUp
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LD B,C
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CALL .PrepareHardReset
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JR C,.INIT_ACEX.ERROR
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LD B,high BIOS.REINIT.HARD_RESET
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JR .set_ret_addr
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; DI
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; IN A,(SLOT3) ; á®åà 塞 ®¬¥à ¢®âªã⮩ áâà ¨æë
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; PUSH AF
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; LD A,Spec_Page
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; OUT (SLOT3),A
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; ; ¯à®¢¥à塞 à §¬¥à ¡«®ª á ª®ä®© ¨ ¯®«ãç ¥¬ áâà ¨æë ª®äë
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; LD HL,Spec_Page.bitstream_pages
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; LD A,B
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; AND A
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; JR Z,.INIT_ACEX.ReloadConfFromROM
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; ;
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; CALL EMM.GetMemBlkPages
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; LD A,B
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; JR C,.INIT_ACEX.ERROR
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; CP BitStream_SizeInPages+1 ; ª®«¨ç¥á⢮ áâà ¨æ ¢ ªíè ¤«ï ¡¨áâਬ ¯«îá ®¤
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; JR NC,.INIT_ACEX.ERROR
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; LD A,(Spec_Page.bitstream_pages)
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; INC A
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; JR Z,.INIT_ACEX.ERROR
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; ;
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; .INIT_ACEX.ReloadConfFromROM:
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; ; § ª¨¤ë¢ ¥¬ ¢ Spec_Page ¯à®£ã ¤«ï § «¨¢ª¨ ª®äë
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; LD HL,.INIT_ACEX.PROGRAM
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; LD DE,Spec_Page.init_acex
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; LD BC,.INIT_ACEX.PROGRAM.Size
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; LDIR
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; ; ¥á«¨ ZF=0, â® ¯à®æ¥¤ãà ᤥ« ¥â à¥á¥â á ¯¥à¥§ «¨¢ª®© ¨§ BIOS, ¨ ç¥ ¨§ Š<>˜
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; CALL Spec_Page.init_acex
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; LD B,high BIOS.REINIT.HARD_RESET
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; POP HL
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; ;
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; ;¢å®¤: B - ¯ à ¬¥âà äãªæ¨¨ BIOS REINIT
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; ; H - Spec_Page.page_3
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; .INIT_ACEX.ifSoftreset:
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; ; á®åà 塞 ¢®âªãâë¥ áâà ¨æë ¢ Spec_Page
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; IN A,(SLOT0)
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; LD E,A
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; IN A,(SLOT1)
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; LD D,A
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; IN A,(SLOT2)
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; ;POP HL ; ¢®ááâ ¢«¨¢ ¥¬ ®¬¥à ¢®âªã⮩ áâà ¨æë
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; LD L,A
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; LD (Spec_Page.page_0),DE
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; LD (Spec_Page.page_2),HL
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; ;
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; ; ¤®áâ ñ¬ ¤à¥á ¢®§¢à â ¢ ¢ë§ë¢ îéãî äãªæ¨î ¨ á®åà 塞 ¢ Spec_Page
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; POP DE
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; LD HL,RST_18_1.exit
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; XOR A
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; SBC HL,DE
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; JR NZ,.set_ret ; NZ - ¥á«¨ ¢ë§®¢ ¡ë« ¯® RST #18
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; POP DE ; ¥á«¨ ¢ë§®¢ ¡ë« ¢ Ž‡“ ¯® RST 8
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; INC A
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; .set_ret: LD (Spec_Page.RET_addr),DE
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; ; A=0 - SYS_PORT.ON
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; ; A=1 - SYS_PORT.OFF
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; LD (Spec_Page.Reload_Version),A
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; LD (Spec_Page.Stack_Point),SP
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; ;
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; LD A,high BIOS.REINIT.HARD_RESET
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; CP B
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; JR NZ,.reinit
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; ; “áâ ¢«¨¢ ¥¬ ª«îç¨ ¤«ï HARD reset
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; LD HL,Spec_Page.flag_R
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; LD (HL),"R"
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; INC HL
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; LD (HL),"S"
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; INC HL
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; LD (HL),"T"
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; ;
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; ; .. ... ... ..
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; ;!TODO ᤥ« âì äãªæ¨î ¯® § «¨¢ª¥ ᢮¥© ª®äë, ¯¥à¥å¢ âã à¥á¥â .
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; ; *. ‚室 ¢ ¯®¤äãªæ¨î ⮫쪮 ç¥à¥§ RST 08 ¨«¨ #18
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; ; *. ‘®åà ¨âì ¢á¥ áâà ¨æë ¯®«ì§®¢ â¥«ï ¢ SYS_PAGE ¤«ï ¯¥à¥å¢ â à¥á¥â
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; ; *. „®áâ âì á® á⥪ ¤à¥á ¢®§¢à â ¨ á®åà ¨âì ¢ SYS_PAGE ¤«ï ¯¥à¥å¢ â à¥á¥â
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; ; *. ‘®åà ¨âì ªã¤ -¨¡ã¤ì § 票¥ á⥪
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; ; *
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; ; .. ... ... ..
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; ;LD BC,BIOS.REINIT.HARD_RESET
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; .reinit: JP REINIT
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;
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.SetUpHardReset:
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LD C,B
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LD B,high BIOS.REINIT.HARD_RESET
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CALL .PrepareResetSetUp
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LD (Spec_Page.RET_addr),DE
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LD A,#FF
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LD (Spec_Page.Reload_Version),A
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LD B,C
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CALL .PrepareHardReset
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JR .INIT_ACEX.ERROR ; ®à¬ «ìë© ¢ë室 ¢ ¤ ®¬ á«ãç ¥
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;
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.ReturnSoftReset:
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CALL .PrepareSoftReset
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CALL .PrepareResetSetUp
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; ¤®áâ ñ¬ ¤à¥á ¢®§¢à â ¢ ¢ë§ë¢ îéãî äãªæ¨î ¨ á®åà 塞 ¢ Spec_Page
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.set_ret_addr: POP DE
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LD HL,RST_18_1.exit
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XOR A
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SBC HL,DE
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JR NZ,.set_ret ; NZ - ¥á«¨ ¢ë§®¢ ¡ë« ¯® RST #18
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POP DE ; ¥á«¨ ¢ë§®¢ ¡ë« ¢ Ž‡“ ¯® RST 8
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INC A
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.set_ret: LD (Spec_Page.RET_addr),DE
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; A=0 - SYS_PORT.ON
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; A=1 - SYS_PORT.OFF
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LD (Spec_Page.Reload_Version),A
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LD (Spec_Page.Stack_Point),SP
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JP REINIT
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;
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.SetUpSoftReset:
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PUSH DE
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CALL .PrepareSoftReset
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CALL .PrepareResetSetUp
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POP DE
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LD (Spec_Page.RET_addr),DE
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LD A,#FF
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LD (Spec_Page.Reload_Version),A
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LD A,(Spec_Page.page_3)
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OUT (SLOT3),A
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RET
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; DI
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; LD A,ACEX.RET_PORT
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; LD B,Spec_Page
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; CALL SET_PORTS
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; ;
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; ; ¨ â ª ¯®ïâ® çâ® ¤¥« ¥â
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; IN A,(SLOT3) ; á®åà 塞 ®¬¥à ¢®âªã⮩ áâà ¨æë
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; LD H,A
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; LD A,Spec_Page
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; OUT (SLOT3),A
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; ;
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; LD B,high BIOS.REINIT.SOFT_RESET
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; JR .INIT_ACEX.ifSoftreset
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;
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;;;
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.INIT_ACEX.ERROR:
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LD A,(Spec_Page.page_3)
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OUT (SLOT3),A
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;SCF
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RET
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;
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;--[]
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.ACC_OFF: LD BC,Port_All_Mode
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IN A,(C)
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AND Port_All_Mode.DEFAULT - Port_All_Mode.SPECTRUM_MODE_OFF
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OUT (C),A
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RET
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;
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.ACC_ON: LD BC,Port_All_Mode
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IN A,(C)
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OR 1 ; ACC_ON
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OUT (C),A
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RET
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;--[]
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;
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.INIT_ACEX.PROGRAM:
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DISP Spec_Page.init_acex
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;
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SAFE_PORTY
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IN A,(FastRAM.ON)
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; IN A,(SLOT1)
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; LD (.slot1_page),A
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;
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LD A,#FE ; ç⮡ ¯à®¢¥à¨âì, çâ® ¢ë§ë¢ âì ¯®á«¥ CALL NZ,.INIT_ACEX.PROGRAM.LOAD
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; âãâ ZF ¤®«¦¥ ¡ëâì ¨§ ¢ë§ë¢ î饩 ¯à®æ¥¤ãàë
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CALL NZ,.INIT_ACEX.PROGRAM.LOAD ; ¥á«¨ RAM_BLOCK ID ¥ à ¢¥ 0, â® ¢ë¯®«ï¥âáï
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INC A ; ä« £ ZF=0 £à㧨¬ ¨§ ROM
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;
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.INIT_ACEX.PROGRAM.SET_KEYS:
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LD A,3
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OUT (FastRAM.SLOT0),A ; ‘âà ¨æ Š<>˜ = 3
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;
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LD HL,.INIT_ACEX.Reload_String ; ä« £ ¯¥à¥§ £à㧪¨ ¨§ Š<>˜-
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JR Z,.skip ; ãáâ ¢«¨¢ ¥¬ ä« £ ¯¥à¥§ £à㧪¨ ¨§ Š<>˜-
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INC L ; § â¨à ¥¬ ä« £ ¯¥à¥§ £à㧪¨ ¨§ Š<>˜-
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.skip: LD DE,ACEX.LOADER.String_Address-#C000
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LD BC,#10
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LDIR
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LD HL,#FFFF ; § «¨âì ª®äã ⮫쪮 ¯à¨ ¯¥à¢®© ¯¥à¥§ £à㧪¥
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;LD HL,ACEX.LOADER.Reload_Flag ; § «¨¢ âì ª®ä㠯ਠª ¦¤®© ¯¥à¥§ £à㧪¥
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LD (ACEX.LOADER.Reload_Flag_Address-#C000),HL
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;
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.INIT_ACEX.PROGRAM.END:
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XOR A
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OUT (FastRAM.SLOT0),A
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IN A,(FastRAM.OFF)
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; .slot1_page+1: LD A,0
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LD A,(Spec_Page.page_1)
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OUT (SLOT1),A
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RET
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;
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;
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.INIT_ACEX.PROGRAM.LOAD:
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XOR A ; áâà ¨æ Š<>˜
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LD HL,Spec_Page.bitstream_pages
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OUT (FastRAM.SLOT0),A ; ‘âà ¨æ Š<>˜ = 0
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INC A
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.INIT_ACEX.PROGRAM.load_loop:
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EX AF,AF'
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LD A,(HL)
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INC HL
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CP #FF
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RET Z
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OUT (SLOT1),A ; áâà ¨æ á ¤ 묨 ä ©«
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EX AF,AF'
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;
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; ¯¥à¥ª¨¤ë¢ ¨¥ #3000 ¡ ©â®¢ ¢ Š<>˜(0) = #1000
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EXX
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LD HL,#4000
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LD DE,#1000
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LD BC,#3000
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LDIR
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; ¤®ª¨¤ë¢ ¨¥ #1000 ¡ ©â®¢ ¢ Š<>˜(1) = #0000
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; HL = #7000
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OUT (FastRAM.SLOT0),A ; ‘âà ¨æ Š<>˜ = 1
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INC A
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;
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LD D,C ; LD DE,0
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LD B,#10 ; LD BC,#1000
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LDIR
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EXX
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JR .INIT_ACEX.PROGRAM.load_loop
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.INIT_ACEX.Reload_String:
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DB ACEX.RELOAD_STRING
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;
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ENT
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.INIT_ACEX.PROGRAM.Size EQU $-.INIT_ACEX.PROGRAM
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;--[]
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.PrepareSoftReset:
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LD A,ACEX.RET_PORT
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LD B,Spec_Page
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CALL SET_PORTS
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LD B,high BIOS.REINIT.SOFT_RESET
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RET
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.PrepareResetSetUp:
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DI
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; á®åà 塞 ¢®âªãâë¥ áâà ¨æë ¢ Spec_Page
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IN A,(SLOT3)
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LD H,A
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LD A,Spec_Page
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OUT (SLOT3),A
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;
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IN A,(SLOT2)
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LD L,A
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LD (Spec_Page.page_2),HL
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IN A,(SLOT0)
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LD (Spec_Page.page_0),A
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IN A,(SLOT1)
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LD (Spec_Page.page_1),A
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;
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LD A,high BIOS.REINIT.HARD_RESET
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CP B
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LD HL,Spec_Page.flag_R
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JR NZ,.kill_flag
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; “áâ ¢«¨¢ ¥¬ ª«îç¨ ¤«ï HARD reset
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LD (HL),"R"
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INC HL
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.kill_flag: LD (HL),"S"
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INC HL
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LD (HL),"T"
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;
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; .. ... ... ..
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; [ ]
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;!TODO ᤥ« âì äãªæ¨î ¯® § «¨¢ª¥ ᢮¥© ª®äë, ¯¥à¥å¢ âã à¥á¥â .
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; *. ‚室 ¢ ¯®¤äãªæ¨î ⮫쪮 ç¥à¥§ RST 08 ¨«¨ #18
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; *. ‘®åà ¨âì ¢á¥ áâà ¨æë ¯®«ì§®¢ â¥«ï ¢ SYS_PAGE ¤«ï ¯¥à¥å¢ â à¥á¥â
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; *. „®áâ âì á® á⥪ ¤à¥á ¢®§¢à â ¨ á®åà ¨âì ¢ SYS_PAGE ¤«ï ¯¥à¥å¢ â à¥á¥â
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; *. ‘®åà ¨âì ªã¤ -¨¡ã¤ì § 票¥ á⥪
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; *
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; .. ... ... ..
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RET
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;
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; B - ramblock bitstream
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.PrepareHardReset:
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; ¯à®¢¥à塞 à §¬¥à ¡«®ª á ª®ä®© ¨ ¯®«ãç ¥¬ áâà ¨æë ª®äë
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LD HL,Spec_Page.bitstream_pages
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LD A,B
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AND A
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JR Z,.INIT_ACEX.ReloadConfFromROM
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;
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CALL EMM.GetMemBlkPages
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RET C ; ERROR
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LD A,BitStream_SizeInPages ; ª®«¨ç¥á⢮ áâà ¨æ ¢ ªíè ¤«ï ¡¨áâਬ
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CP B
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RET C ; ERROR
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LD A,(Spec_Page.bitstream_pages)
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||
INC A
|
||
SCF
|
||
RET Z ; ERROR
|
||
;
|
||
.INIT_ACEX.ReloadConfFromROM:
|
||
; § ª¨¤ë¢ ¥¬ ¢ Spec_Page ¯à®£ã ¤«ï § «¨¢ª¨ ª®äë
|
||
LD HL,.INIT_ACEX.PROGRAM
|
||
LD DE,Spec_Page.init_acex
|
||
LD BC,.INIT_ACEX.PROGRAM.Size
|
||
LDIR
|
||
; ¥á«¨ ZF=0, â® ¯à®æ¥¤ãà ᤥ« ¥â à¥á¥â á ¯¥à¥§ «¨¢ª®© ¨§ BIOS, ¨ ç¥ ¨§ Š<>˜
|
||
JP Spec_Page.init_acex
|
||
;--[]
|
||
;***************************************
|
||
|
||
|
||
;[x]
|
||
;--------------------------[;!TODO ¯®â¥áâ¨âì]--------------------------;
|
||
; B - ¯ à ¬¥âà á¡à®á
|
||
; B = 1 - RESTART.
|
||
; B = 2 - Soft reset
|
||
; B = 3 - Hard reset
|
||
; B = 4 - Free memory except ZX pages
|
||
REINIT: DEC B
|
||
JR Z,.Restart ; 1
|
||
DEC B
|
||
JR Z,.SoftReset ; 2
|
||
DEC B
|
||
JR Z,.HardReset ; 3
|
||
DEC B
|
||
SCF
|
||
RET NZ
|
||
; ; 4
|
||
.FreeNoZxMem: DI
|
||
LD C,SLOT3
|
||
IN B,(C)
|
||
LD A,SYS_PAGE
|
||
OUT (C),A
|
||
LD (SYS_PAGE.SP_SAVE),SP
|
||
LD SP,SYS_PAGE.SYS_SP
|
||
PUSH BC
|
||
; ç¨á⨬ ¡ãä¥à
|
||
LD HL,SYS_PAGE.SHARED_BUFFER_256b
|
||
LD DE,SYS_PAGE.SHARED_BUFFER_256b + 1
|
||
LD BC,255
|
||
LD (HL),0
|
||
LDIR
|
||
;
|
||
LD IX,SYS_PAGE.Block_IDs
|
||
LD H,high SYS_PAGE.RAM_TABLE
|
||
LD D,high SYS_PAGE.SHARED_BUFFER_256b
|
||
LD BC,2*256 + #FF ; 2 = vRAM ¨ VROM ID's
|
||
CALL SAVE_CHAINS
|
||
;
|
||
CALL EMM.InitMem
|
||
;
|
||
LD HL,SYS_PAGE.SHARED_BUFFER_256b
|
||
LD DE,SYS_PAGE.RAM_TABLE
|
||
CALL RESTORE_CHAINS
|
||
; CF=0
|
||
POP BC
|
||
LD SP,(SYS_PAGE.SP_SAVE)
|
||
OUT (C),B
|
||
RET
|
||
|
||
;[x]
|
||
.Restart: DI
|
||
XOR A
|
||
LD BC,#1FFD
|
||
OUT (C),A
|
||
LD B,#7F
|
||
OUT (C),A
|
||
OUT (RGADR),A
|
||
OUT (RGMOD),A
|
||
OUT (SLOT0),A
|
||
; [ ] 16/09/24 free zx pages!
|
||
;LD A,5
|
||
;OUT (SLOT1),A
|
||
;LD A,2
|
||
;OUT (SLOT2),A
|
||
OUT (SLOT2),A
|
||
DEC A
|
||
OUT (SLOT1),A
|
||
;
|
||
LD A,DCP_PAGE
|
||
OUT (SLOT3),A
|
||
JP 0 ;Restart
|
||
;
|
||
|
||
;
|
||
.SoftReset: DI
|
||
LD A,#10
|
||
LD BC,#1FFD
|
||
OUT (C),A ; 8-ï áâà ¨æ !!
|
||
;
|
||
LD A,RESET_PAGE
|
||
OUT (SLOT3),A
|
||
LD A,CNF_PORT.TURBO.OFF
|
||
OUT (SYS_PORT.ROM),A
|
||
.loop2: LD (#C000),A ; Soft RESET !!!
|
||
JR .loop2
|
||
;
|
||
|
||
;[x]
|
||
.HardReset:
|
||
DI
|
||
LD A,SYS_PORT.CNF_0
|
||
OUT (SYS_PORT.ROM),A
|
||
;
|
||
LD A,Z84.REG.Misc_Ctrl
|
||
OUT (Z84.SYS.Control),A
|
||
LD A,%0000'0011 ; CS1/CS0 enabled
|
||
OUT (Z84.SYS.Data),A
|
||
;
|
||
LD A,DCP_PAGE
|
||
OUT (SLOT1),A ; set DCP page
|
||
LD A,ACEX.RESET
|
||
LD (#4400),A ; open for WR
|
||
.loop: LD BC,#0100 ; 横« á¡à®á
|
||
OUT (C),C
|
||
LD B,C
|
||
OUT (C),C
|
||
JR .loop ; ¯®«®áâìî § 横«¨âì!
|
||
;
|
||
;----------------------------------------------------------------------;
|
||
; ‚室: H - RAM_TABLE
|
||
; D - Buffer for RAM_TABLE
|
||
; IX - 㪠§ â¥«ì ¯®á«¥¤®¢ ⥫ì®áâì ¨§ RAM BLOCK ID
|
||
; B - ª®«-¢® RAM BLOCK ID ¢ ¯®á«¥¤®¢ ⥫ì®áâ¨
|
||
; C - #FF (ç⮡ LDI ¥ «®¬ «® DJNZ áçñâ稪)
|
||
SAVE_CHAINS: LD A,(IX)
|
||
INC IX
|
||
OR A
|
||
LD L,A
|
||
CALL NZ,COPY_CHAIN
|
||
DJNZ SAVE_CHAINS
|
||
RET
|
||
; ‚室: H - RAM_TABLE
|
||
; L - RAM BLOCK ID
|
||
; D - Buffer for RAM_TABLE
|
||
COPY_CHAIN: LD E,L
|
||
LDI
|
||
DEC L
|
||
LD L,(HL)
|
||
INC L
|
||
RET Z
|
||
DEC L
|
||
JR COPY_CHAIN
|
||
;--------------;
|
||
; ‚室: HL - ª®¯¨ï RAM_TABLE ®âªã¤ ª®¯¨à®¢ âì
|
||
; DE - RAM_TABLE
|
||
RESTORE_CHAINS: XOR A
|
||
.loop: CP (HL)
|
||
JR Z,.NoCopy
|
||
LD E,L
|
||
LDI
|
||
DEC L
|
||
.NoCopy: INC L
|
||
JR NZ,.loop
|
||
RET
|
||
;----------------------------------------------------------------------;
|
||
|
||
|
||
;----------------------------------------------------------------------;
|
||
; áâ àë© ¢ ਠ⠮᢮¡®¦¤¥¨ï áâà ¨æ ᯥªâà㬠ç¥à¥§ RAM BLK ID 1
|
||
;----------------------------------------------------------------------;
|
||
; JR Z,.HardReset ;3
|
||
; DEC B
|
||
; .ReinitZXpages: ;4
|
||
; LD DE,RESERVED_PAGES ; â ¡«¨æ § ïâëå á¨á⥬ëå áâà ¨æ
|
||
; LD HL,SYS_PAGE.RAM_TABLE ; €¤à¥á FAT Ž‡“.
|
||
|
||
; LD C,SLOT3
|
||
; IN B,(C)
|
||
; LD A,SYS_PAGE
|
||
; OUT (SLOT3),A
|
||
|
||
; LD A,(DE)
|
||
; .zxloop:
|
||
; CP #FF
|
||
; JR Z,.endzxloop
|
||
; INC DE
|
||
; LD L,A
|
||
|
||
; LD A,(HL)
|
||
; AND A
|
||
; JR NZ,.errorzxloop
|
||
|
||
; LD A,(DE)
|
||
; LD (HL),A
|
||
; JR .zxloop
|
||
|
||
; .errorzxloop:
|
||
; DEC DE
|
||
; LD HL,-RESERVED_PAGES-1
|
||
; ADD HL,DE
|
||
; JR NC,.errorzxloop_noChanges
|
||
|
||
; DEC DE
|
||
; LD H,high SYS_PAGE.RAM_TABLE
|
||
; LD A,(DE)
|
||
; LD L,A
|
||
; LD A,#FF
|
||
; LD (HL),A
|
||
; .errorzxloop_noChanges:
|
||
; SCF
|
||
; .endzxloop:
|
||
; OUT (C),B
|
||
; RET
|
||
|
||
;----------------------------------------------------------------------;
|
||
; |