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146 lines
4.3 KiB
146 lines
4.3 KiB
;
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; The was extracted out of STD.ASM, so can be included
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; in BIOS apps that are NOT in HBIOS directory!
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;
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; =============
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; MEMORY LAYOUT
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; =============
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;
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SYS_SIZ .EQU $3000 ; COMBINED SIZE OF SYSTEM AREA (OS + HBIOS PROXY)
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HBBUF_SIZ .EQU 1024 ; INVARIANT HBIOS PHYSICAL DISK BUFFER, 1K
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HBX_SIZ .EQU $200 ; HBIOS PROXY SIZE (SUBJECT TO CHANGE)
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CPM_SIZ .EQU SYS_SIZ - HBX_SIZ ; NET SIZE OF ALL OS COMPONENTS (EXCLUDING HBIOS PROXY)
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CCP_SIZ .EQU $800 ; INVARIANT SIZE OF CCP
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BDOS_SIZ .EQU $E00 ; INVARIANT SIZE OF BDOS
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CBIOS_SIZ .EQU CPM_SIZ - CCP_SIZ - BDOS_SIZ ; CBIOS IS THE REMAINDER
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;
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MEMTOP .EQU $10000 ; INVARIANT TOP OF Z80 ADDRESSABLE MEMORY
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BNKTOP .EQU $8000 ; BANK MEMORY BARRIER
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;
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HBX_IMG .EQU $200 ; LOC OF HBX IMAGE IN HBIOS IMAGE BANK
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;
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HBBUF_END .EQU BNKTOP ; END OF PHYSICAL DISK BUFFER IN HBIOS
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HBBUF_LOC .EQU HBBUF_END - HBBUF_SIZ ; START OF PHYSICAL DISK BUFFER
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HBX_END .EQU MEMTOP ; END OF HBIOS PROXY
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HBX_LOC .EQU HBX_END - HBX_SIZ ; START OF HBIOS PROXY
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CPM_END .EQU HBX_LOC ; END OF CPM COMPONENTS (INCLUDING CBIOS)
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CPM_LOC .EQU CPM_END - CPM_SIZ ; START OF CPM COMPONENTS
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CBIOS_END .EQU HBX_LOC ; END OF CBIOS
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CBIOS_LOC .EQU CBIOS_END - CBIOS_SIZ ; START OF CBIOS
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;
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CPM_ENT .EQU CBIOS_LOC ; CPM ENTRY POINT (IN CBIOS)
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;
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CPM_IMGSIZ .EQU $3000
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;
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; =============================
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; ROM BANK 0 (hbios_rom.bin)
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; =============================
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;
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; See hbios.asm for content of Bank 0
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;
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; =============================
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; ROM BANK 1 LAYOUT (osimg.bin)
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; =============================
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;
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LDR_LOC .EQU $0000 ; ROM LOADER
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LDR_SIZ .EQU $1000
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LDR_END .EQU LDR_LOC +LDR_SIZ
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LDR_IMGLOC .EQU $0000
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;
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MON_LOC .EQU $EE00 ; LOCATION OF MONITOR FOR RUNNING SYSTEM
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MON_SIZ .EQU $1000 ; SIZE OF MONITOR BINARY IMAGE
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MON_END .EQU MON_LOC + MON_SIZ ; END OF MONITOR
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MON_IMGLOC .EQU LDR_IMGLOC + LDR_SIZ
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;
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ZSYS_IMGLOC .EQU MON_IMGLOC + MON_SIZ ; ZSDOS / Z-System
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;
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CPM_IMGLOC .EQU ZSYS_IMGLOC + CPM_IMGSIZ ; CP/M 2.2
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;
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BNK1_IMGEND .EQU CPM_IMGLOC + CPM_IMGSIZ ; END OF BANK
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BNK1_REMAIN .EQU BNKTOP - BNK1_IMGEND ; REMAINING
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;
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; ==============================
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; ROM BANK 2 LAYOUT (osimg1.bin)
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; ==============================
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;
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; NOTE FOLLOWING ARE COPY/PASTED INTO camel80.azm !!!!!!!!
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FTH_LOC .EQU $0200 ; CAMEL FORTH
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FTH_SIZ .EQU $1700
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FTH_END .EQU FTH_LOC + FTH_SIZ
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FTH_IMGLOC .EQU $0000
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BAS_LOC .EQU $0200 ; NASCOM BASIC
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BAS_SIZ .EQU $2000
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BAS_END .EQU BAS_LOC + BAS_SIZ
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BAS_IMGLOC .EQU FTH_IMGLOC + FTH_SIZ
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;
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; NOTE FOLLOWING ARE COPY/PASTED INTO tastybasic.asm !!!!!!!!
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TBC_LOC .EQU $0A00 ; TASTYBASIC
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TBC_SIZ .EQU $0A00
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TBC_END .EQU TBC_LOC + TBC_SIZ
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TBC_IMGLOC .EQU BAS_IMGLOC + BAS_SIZ
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;
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GAM_LOC .EQU $0200 ; GAME 2048
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GAM_SIZ .EQU $0900
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GAM_END .EQU GAM_LOC + GAM_SIZ
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GAM_IMGLOC .EQU TBC_IMGLOC + TBC_SIZ
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;
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EGG_LOC .EQU $F000 ; EASTER EGG
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EGG_SIZ .EQU $0200
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EGG_END .EQU EGG_LOC + EGG_SIZ
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EGG_IMGLOC .EQU GAM_IMGLOC + GAM_SIZ
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;
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NET_LOC .EQU $0100 ; NETWORK BOOT
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NET_SIZ .EQU $1000
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NET_END .EQU NET_LOC + NET_SIZ
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NET_IMGLOC .EQU EGG_IMGLOC + EGG_SIZ
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;
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UPD_LOC .EQU $0200 ; ROM UPDATER
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UPD_SIZ .EQU $0D00
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UPD_END .EQU UPD_LOC + UPD_SIZ
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UPD_IMGLOC .EQU NET_IMGLOC + NET_SIZ
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;
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NVR_LOC .EQU $0100 ; NVRAM CONFIG
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NVR_SIZ .EQU $0800
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NVR_END .EQU NVR_LOC + NVR_SIZ
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NVR_IMGLOC .EQU UPD_IMGLOC + UPD_SIZ
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;
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USR_LOC .EQU $0200 ; USER
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USR_SIZ .EQU $0200
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USR_END .EQU USR_LOC + USR_SIZ
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USR_IMGLOC .EQU NVR_IMGLOC + NVR_SIZ
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;
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BNK2_IMGEND .EQU USR_IMGLOC + USR_SIZ ; END OF BANK
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BNK2_REMAIN .EQU BNKTOP - BNK2_IMGEND ; REMAINING
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;
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; ==============================
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; ROM BANK 3 LAYOUT (osimg2.bin)
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; ==============================
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;
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; not defined here, see build files
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; optionally contains S100 monitor
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;
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; =================
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;
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#IFDEF BNKINFO
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.ECHO "-------------------------------\n"
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.ECHO "ROM BANK INFO \tLENGTH \tREMAIN \n"
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.ECHO "---------------\t-------\t-------\n"
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.ECHO "BANK1 BID_IMG0 \t" \ .ECHO BNK1_IMGEND \ .ECHO "\t" \ .ECHO BNK1_REMAIN \ .ECHO "\n"
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.ECHO "BANK2 BID_IMG1 \t" \ .ECHO BNK2_IMGEND \ .ECHO "\t" \ .ECHO BNK2_REMAIN \ .ECHO "\n"
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.ECHO "-------------------------------\n"
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;
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#IF (BNK1_IMGEND > BNKTOP)
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.ECHO "*** BANK 1 IS TOO BIG!!!\n"
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!!! ; FORCE AN ASSEMBLY ERROR IF BANK SIZE EXCEEDS SPACE
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#ENDIF
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#IF (BNK2_IMGEND > BNKTOP)
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.ECHO "*** BANK 2 IS TOO BIG!!!\n"
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!!! ; FORCE AN ASSEMBLY ERROR IF BANK SIZE EXCEEDS SPACE
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#ENDIF
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;
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#ENDIF
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