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https://github.com/Tolik-Trek/Crazy-Blaster.git
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119 lines
5.2 KiB
Plaintext
119 lines
5.2 KiB
Plaintext
; § ¬ ¯«¥ ç¥à¥§ ª àâã ¯®à⮢ #7C/#3C ¨ #74/#24
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CNF_PORT:
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.ON EQU #74
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.OFF EQU #24
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.vBIOS EQU .ON
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.vZX_ROM EQU .OFF
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; Data:
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.BIOS EQU 0
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.EXTENSION EQU 1
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.TURBO.OFF EQU 2 ; ¤ ë¥ ¤«ï ¢ëª«î票ï TURBO
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.TURBO.ON EQU 3 ; ¤ ë¥ ¤«ï ¢ª«î票ï TURBO
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.CNF_0 EQU #04 ; ª àâ ¯®à⮢ 0
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.CNF_1 EQU #0C ; ª àâ ¯®à⮢ 1 (¤«ï ०¨¬ ¯®ç⨠ç¨á⮣® zx spectrum)
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.CNF_2 EQU #14 ; ª àâ ¯®à⮢ 2
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.CNF_3 EQU #1C ; ª àâ ¯®à⮢ 3 (०¨¬ ¤®áâ㯠ª ¯®àâ ¬ ‚ƒ93 ¡¥§ ᨣ « TR-DOS)
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.PENT_RESET EQU #20
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.SCORP_RESET EQU #40
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.CNF_512 EQU #80 ; ¢ª«î票¥ Pentagon 128
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.ZX_BIOS EQU #00
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.ZX_EXTENSION EQU #01
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; ¯à¨¡¨â ¢ ª®ä¥ £¢®§¤ï¬¨ #7C/#3C
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SYS_PORT:
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.ON EQU #7C
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.OFF EQU #3C
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.RAM EQU .OFF
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.ROM EQU .ON
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; Data:
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.PAGE0 EQU 1
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.PAGE8 EQU 0
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.EXTENSION EQU .PAGE0
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.BIOS EQU .PAGE8
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.TURBO.ON EQU CNF_PORT.TURBO.ON
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.TURBO.OFF EQU CNF_PORT.TURBO.OFF
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.CNF_0 EQU CNF_PORT.CNF_0
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.CNF_1 EQU CNF_PORT.CNF_1
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.CNF_2 EQU CNF_PORT.CNF_2
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.CNF_3 EQU CNF_PORT.CNF_3
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.PENT_RESET EQU CNF_PORT.PENT_RESET
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.SCORP_RESET EQU CNF_PORT.SCORP_RESET
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.CNF_512 EQU CNF_PORT.CNF_512
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---------------------------------------------------
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CNF_PORT ¢¨á¨â 4 ¢¥è¨å ¯®àâ å (#7C/#3C ¨ #74/#24) ç¥à¥§ ª àâã ¯®à⮢.
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SYS_PORT £¢®§¤ï¬¨ ¢ ª®ä¥ #7C/#C
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SYS_PORT ⮫쪮 ¯¥à¥ª«îç ¥â RAM/ROM
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CNF_PORT ¬¥ï¥â ¢áñ ®á⠫쮥, ¯à¨ ¡¨â1=0 ¬¥ïîâáï áâà ¨æë í¬ã«ïâ®à <20>‡“ ç¥à¥§ ¡¨â0
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CNF_PORT
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bit0 - TURBO: off/on ¨«¨ vROM:
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; #24 - áâà ¨æ ¨§ ¢.¯®àâ (#E0..#E3)/(#E4..#E7)
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; #74 - áâà ¨æ ¨§ ¢.¯®àâ #EB/#EF
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bit1 - 1 - TURBO ena, 0 - ¯¥à¥ª«î票¥ vROM page
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bit2 - 1 - CNF ena
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bit3 - \_ cnf0..cnf3 -\
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bit4 - / - \
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bit5 - CNF_PN[5..0]_RESET by 1 - á¡à®á <20>¥â. ¯®àâ - -|---> ¤¥©áâ¢ãîâ ⮫쪮 ¯à¨ bit2=1
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bit6 - CNF_SC_RESET by 1 - á¡à®á ‘ª®à¯. ¯®àâ - /
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bit7 - CNF_PN[7..6]_RESET by 0 - á¡à®á <20>¥â-512 -/
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<20>¥à¥ª«î票¥ áâà ¨æ vROM:
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____________________________________________________
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| ‡ 票¥ | ‡ ¯¨áì ¢® ¢¥è¨© ¯®àâ: |
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| ¨§ ¢ãâà. |____________________________________|
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| ¯®àâ | #24 ---- | | | |
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| €«ìâ¥àë | #3C (-rom) | | | |
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| ||| | #7C (+rom) | #74 | 1FFD | 7FFD |
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| \|/ | bit1..0 | bit1..0 | bit1 | bit4 |
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|_____________|____________|_________|______|______|
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|E0 | 00 | | 1 | ... |
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|E1 (+dos_on) | 00 | | 0 | ... |
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|E2 | 00 | | 0 | 0 |
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|E3 | 00 | | 0 | 1 |
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|E4 | 01 | | 1 | ... | LOGO #4B
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|E5 (+dos_on) | 01 | | 0 | ... |
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|E6 | 01 | | 0 | 0 | Recovery_1 #48
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|E7 | 01 | | 0 | 1 | Recovery_2 #49
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|EB | | 00 | ... | ... | BIOS #46
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|EF | | 01 | ... | ... | EXTENSION #47
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|_____________|____________|_________|______|______|
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... - § 票¥ ஫¨ ¥ ¨£à ¥â
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‘â ¤ àâë¥ áâà ¨æë Ž‡“ ¤«ï ®¡à §®¢ <20>‡“ ᯥªâà㬠:
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Page Name Int.Port Page Name Int.Port
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#42 BASIC 128 #E2 | #48 ??? ??? ??? #E6
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#43 BASIC 48 #E3 | #49 ??? ??? ??? #E7
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#44 TR-DOS #E1 | #4A ??? ??? ??? #E5
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#45 BIOS (ZX_EXP) #E0 | #4B ??? ??? ??? #E4
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#46 BIOS (ZX_EXP) #EB
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#47 BIOS (ZX_EXP2) #EF
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SYS_PORT:
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bit0 - TURBO: on/off ¨«¨ BIOS: Part1/Part0
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bit1 - 1 - TURBO ena, 0 - ¯¥à¥ª«î票¥ BIOS-PAGE
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bit2 - 1 - CNF ena
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bit3 - \_ cnf0..cnf3 -\
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bit4 - / - \
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bit5 - CNF_PN[5..0]_RESET by 1 - á¡à®á <20>¥â. ¯®àâ - -|---> ¤¥©áâ¢ãîâ ⮫쪮 ¯à¨ bit2=1
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bit6 - CNF_SC_RESET by 1 - á¡à®á ‘ª®à¯. ¯®àâ - /
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bit7 - CNF_PN[7..6]_RESET by 0 - á¡à®á <20>¥â-512 -/
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”ãªæ¨ï bit0 ®¯à¥¤¥«ï¥âáï ç¥à¥§ bit1
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bit7..bit3 áà ¡ âë¢ î⠯ਠbit2 = 1
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‡ ¯¨áì ¢ ¯®àâ #7C ¯®¤ª«îç ¥â <20>‡“ ¢ ®ª® 0, § ¯¨áì ¢ ¯®àâ #3C ®âª«îç ¥â
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<EFBFBD>‡“ ®â ®ª 0, ¯®í⮬㠯®àâ 7‘/3C §ë¢ ¥âáï System/User.
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<EFBFBD>¥à¥ª«î票¥ áâà ¨æ <20>‡“ à ¡®â ¥â ¢ í⮬ ¢ ਠ⥠⠪:
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¢ <20>‡“ 16 áâà ¨æ ®â 0 ¤® 15, ¯®àâ #5C ¨å ¯¥à¥ª«îç ¥â á bit3 xor /SYS (SYS_PORT bit[1..0] = b"0X" (BIOS: Part1/Part0))
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¥á«¨ ᤥ« âì ld a,1 : out (sys_port_on),a - ⮠㬥à æ¨ï áâà ¨æ <20>‡“ ¡ã¤¥â ¯à ¢¨«ì ï ®â 0 ¤® 15,
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¥á«¨ ᤥ« âì ld a,0 : out (sys_port_on),a - ⮠㬥à æ¨ï áâà ¨æ <20>‡“ ¡ã¤¥â á ¨¢¥àâ¨à®¢ ë¬ bit3:
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áâà ¨æë <20>‡“ 0-7 ¡ã¤ãâ 㬥஢ âìáï ª ª 8-15
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áâà ¨æë <20>‡“ 8-15 ¡ã¤ãâ 㬥஢ âìáï ª ª 0-7
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¯¥à¥ª«î票¥ áâà ¨æ <20>‡“ ¯®à⮬ #5C ¯à®¨á室¨â ⮫쪮 ¯à¨ ¢®âªã⮩ <20>‡“ ç¥à¥§ sys_port.
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Œ®¦® ¯¥à¥ª«îç âì áâà ¨æë ç¥à¥§ ¢ãâ२© ¯®àâ #8F, ⮣¤ bit4 í⮣® ¯®àâ ¢ª«îç ¥â ᨣ « § ¯¨á¨ ¤«ï <20>‡“.
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’ ª ¦¥ íâ®â ¯®àâ ¤ ñâ ¯àï¬ãî 㬥à æ¨î áâà ¨æ ¯à¨ ãáâ ®¢«¥®¬ bit4.
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----------------------------------------------------
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;!TODO
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¯¤¥©â¥à ¤®«¦¥ á ¬ ¢áâ ¢«ïâì ®¬¥à ¯« âë ¨ ⨯ ¡¨âáâਬ |