Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Added Disk Labels (Loader.ASM) #480

Merged
merged 1 commit into from
Dec 20, 2024
Merged

Added Disk Labels (Loader.ASM) #480

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 8 additions & 7 deletions Source/CPM22/loader.asm
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
; THE RETROBREW COMPUTING GROUP HAS BEEN USING A CONVENTION OF PREFIXING THE
; OS IMAGE WITH 3 SECTORS (512 BYTES X 3 FOR A TOTAL OF 1536 BYTES):
;
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; PARTITION TABLE, AND BOOT SIGNATURE
; SECTOR 2: RESERVED
; SECTOR 3: METADATA
Expand All @@ -29,6 +29,7 @@
;
SYS_ENT .EQU $E600 ; SYSTEM (OS) ENTRY POINT ADDRESS
SYS_LOC .EQU $D000 ; STARTING ADDRESS TO LOAD SYSTEM IMAGE
SYS_SEC .EQU 22 ; NUMBER OF SECTORS TO READ
SYS_END .EQU $FE00 ; ENDING ADDRESS OF SYSTEM IMAGE
;
SEC_SIZE .EQU 512 ; DISK SECTOR SIZE
Expand Down Expand Up @@ -76,8 +77,8 @@ BOOT:
CALL PRTDOT ; PROGRESS
;
LD C,$42 ; UNA FUNC: READ SECTORS
LD DE,$D000 ; STARTING ADDRESS FOR IMAGE
LD L,22 ; READ 22 SECTORS
LD DE,SYS_LOC ; STARTING ADDRESS FOR IMAGE
LD L,SYS_SEC ; NUMBER OF SECTORS
CALL $FFFD ; DO READ
JR NZ,ERROR ; HANDLE ERROR
CALL PRTDOT ; PROGRESS
Expand Down Expand Up @@ -147,10 +148,10 @@ HEXASCII:
HEXCONV:
AND $0F ;LOW NIBBLE ONLY
ADD A,$90
DAA
DAA
ADC A,$40
DAA
RET
DAA
RET
;
ERROR:
LD DE,STR_ERR ; POINT TO ERROR STRING
Expand Down Expand Up @@ -252,7 +253,7 @@ PR_SIG .DB $5A,$A5 ; SIGNATURE GOES HERE
PR_WP .DB 0 ; (1) WRITE PROTECT BOOLEAN
PR_UPDSEQ .DW 0 ; (2) PREFIX UPDATE SEQUENCE NUMBER (DEPRECATED?)
PR_VER .DB RMJ,RMN,RUP,RTP ; (4) OS BUILD VERSION
PR_LABEL .DB "Unlabeled$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
PR_LABEL .DB "CP/M 2.2$$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
.DW 0 ; (2) DEPRECATED
PR_LDLOC .DW SYS_LOC ; (2) ADDRESS TO START LOADING SYSTEM
PR_LDEND .DW SYS_END ; (2) ADDRESS TO STOP LOADING SYSTEM
Expand Down
17 changes: 10 additions & 7 deletions Source/CPM3/loader.asm
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
; THE RETROBREW COMPUTING GROUP HAS BEEN USING A CONVENTION OF PREFIXING THE
; OS IMAGE WITH 3 SECTORS (512 BYTES X 3 FOR A TOTAL OF 1536 BYTES):
;
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; PARTITION TABLE, AND BOOT SIGNATURE
; SECTOR 2: RESERVED
; SECTOR 3: METADATA
Expand All @@ -31,6 +31,7 @@
; THE SIZE OF CPMLDR.BIN CHANGES, SYS_SIZ MUST BE UPDATED!!!
;
SYS_SIZ .EQU $0F00 ; SIZE OF CPMLDR.BIN
SYS_SEC .EQU 8 ; NUMBER OF SECTORS TO READ
SYS_ENT .EQU $0100 ; SYSTEM (OS) ENTRY POINT ADDRESS
SYS_LOC .EQU $0100 ; STARTING ADDRESS TO LOAD SYSTEM IMAGE
SYS_END .EQU SYS_SIZ + SYS_LOC ; ENDING ADDRESS OF SYSTEM IMAGE
Expand All @@ -57,6 +58,8 @@ PT_SIZ .EQU $40
; THE FOLLOWING BOOTSTRAP CODE IS BUILT TO ASSUME IT WILL BE EXECUTED AT A STARTING
; ADDRESS OF $8000. THIS CODE IS *ONLY* FOR UNA. THE ROMWBW ROM BOOTLOADER
; USES THE METADATA TO LOAD THE OS DIRECTLY.
;
; UNA DOES NOT SUPPORT CP/M 3 THIS CODE IS NOT USED, AND COULD BE REMOVED
;
.ORG $8000
JR BOOT
Expand All @@ -80,8 +83,8 @@ BOOT:
CALL PRTDOT ; PROGRESS
;
LD C,$42 ; UNA FUNC: READ SECTORS
LD DE,$D000 ; STARTING ADDRESS FOR IMAGE
LD L,22 ; READ 22 SECTORS
LD DE,SYS_LOC ; STARTING ADDRESS FOR IMAGE
LD L,SYS_SEC ; NUMBER OF SECTORS
CALL $FFFD ; DO READ
JR NZ,ERROR ; HANDLE ERROR
CALL PRTDOT ; PROGRESS
Expand Down Expand Up @@ -151,10 +154,10 @@ HEXASCII:
HEXCONV:
AND $0F ;LOW NIBBLE ONLY
ADD A,$90
DAA
DAA
ADC A,$40
DAA
RET
DAA
RET
;
ERROR:
LD DE,STR_ERR ; POINT TO ERROR STRING
Expand Down Expand Up @@ -256,7 +259,7 @@ PR_SIG .DB $5A,$A5 ; SIGNATURE GOES HERE
PR_WP .DB 0 ; (1) WRITE PROTECT BOOLEAN
PR_UPDSEQ .DW 0 ; (2) PREFIX UPDATE SEQUENCE NUMBER (DEPRECATED?)
PR_VER .DB RMJ,RMN,RUP,RTP ; (4) OS BUILD VERSION
PR_LABEL .DB "Unlabeled$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
PR_LABEL .DB "CP/M 3.0$$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
.DW 0 ; (2) DEPRECATED
PR_LDLOC .DW SYS_LOC ; (2) ADDRESS TO START LOADING SYSTEM
PR_LDEND .DW SYS_END ; (2) ADDRESS TO STOP LOADING SYSTEM
Expand Down
15 changes: 8 additions & 7 deletions Source/QPM/loader.asm
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
; THE RETROBREW COMPUTING GROUP HAS BEEN USING A CONVENTION OF PREFIXING THE
; OS IMAGE WITH 3 SECTORS (512 BYTES X 3 FOR A TOTAL OF 1536 BYTES):
;
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; PARTITION TABLE, AND BOOT SIGNATURE
; SECTOR 2: RESERVED
; SECTOR 3: METADATA
Expand All @@ -29,6 +29,7 @@
;
SYS_ENT .EQU $E600 ; SYSTEM (OS) ENTRY POINT ADDRESS
SYS_LOC .EQU $D000 ; STARTING ADDRESS TO LOAD SYSTEM IMAGE
SYS_SEC .EQU 22 ; NUMBER OF SECTORS TO READ
SYS_END .EQU $FE00 ; ENDING ADDRESS OF SYSTEM IMAGE
;
SEC_SIZE .EQU 512 ; DISK SECTOR SIZE
Expand Down Expand Up @@ -76,8 +77,8 @@ BOOT:
CALL PRTDOT ; PROGRESS
;
LD C,$42 ; UNA FUNC: READ SECTORS
LD DE,$D000 ; STARTING ADDRESS FOR IMAGE
LD L,22 ; READ 22 SECTORS
LD DE,SYS_LOC ; STARTING ADDRESS FOR IMAGE
LD L,SYS_SEC ; NUMBER OF SECTORS
CALL $FFFD ; DO READ
JR NZ,ERROR ; HANDLE ERROR
CALL PRTDOT ; PROGRESS
Expand Down Expand Up @@ -147,10 +148,10 @@ HEXASCII:
HEXCONV:
AND $0F ;LOW NIBBLE ONLY
ADD A,$90
DAA
DAA
ADC A,$40
DAA
RET
DAA
RET
;
ERROR:
LD DE,STR_ERR ; POINT TO ERROR STRING
Expand Down Expand Up @@ -252,7 +253,7 @@ PR_SIG .DB $5A,$A5 ; SIGNATURE GOES HERE
PR_WP .DB 0 ; (1) WRITE PROTECT BOOLEAN
PR_UPDSEQ .DW 0 ; (2) PREFIX UPDATE SEQUENCE NUMBER (DEPRECATED?)
PR_VER .DB RMJ,RMN,RUP,RTP ; (4) OS BUILD VERSION
PR_LABEL .DB "Unlabeled$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
PR_LABEL .DB "QP/M 2.7$$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
.DW 0 ; (2) DEPRECATED
PR_LDLOC .DW SYS_LOC ; (2) ADDRESS TO START LOADING SYSTEM
PR_LDEND .DW SYS_END ; (2) ADDRESS TO STOP LOADING SYSTEM
Expand Down
17 changes: 10 additions & 7 deletions Source/ZPM3/loader.asm
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
; THE RETROBREW COMPUTING GROUP HAS BEEN USING A CONVENTION OF PREFIXING THE
; OS IMAGE WITH 3 SECTORS (512 BYTES X 3 FOR A TOTAL OF 1536 BYTES):
;
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; PARTITION TABLE, AND BOOT SIGNATURE
; SECTOR 2: RESERVED
; SECTOR 3: METADATA
Expand All @@ -31,6 +31,7 @@
; THE SIZE OF ZPMLDR.BIN CHANGES, SYS_SIZ MUST BE UPDATED!!!
;
SYS_SIZ .EQU $0F00 ; SIZE OF CPMLDR.BIN
SYS_SEC .EQU 8 ; NUMBER OF SECTORS TO READ
SYS_ENT .EQU $0100 ; SYSTEM (OS) ENTRY POINT ADDRESS
SYS_LOC .EQU $0100 ; STARTING ADDRESS TO LOAD SYSTEM IMAGE
SYS_END .EQU SYS_SIZ + SYS_LOC ; ENDING ADDRESS OF SYSTEM IMAGE
Expand All @@ -57,6 +58,8 @@ PT_SIZ .EQU $40
; THE FOLLOWING BOOTSTRAP CODE IS BUILT TO ASSUME IT WILL BE EXECUTED AT A STARTING
; ADDRESS OF $8000. THIS CODE IS *ONLY* FOR UNA. THE ROMWBW ROM BOOTLOADER
; USES THE METADATA TO LOAD THE OS DIRECTLY.
;
; UNA DOS NOT SUPPORT ZPM3 THIS CODE IS NOT USED, AND COULD BE REMOVED
;
.ORG $8000
JR BOOT
Expand All @@ -80,8 +83,8 @@ BOOT:
CALL PRTDOT ; PROGRESS
;
LD C,$42 ; UNA FUNC: READ SECTORS
LD DE,$D000 ; STARTING ADDRESS FOR IMAGE
LD L,22 ; READ 22 SECTORS
LD DE,SYS_LOC ; STARTING ADDRESS FOR IMAGE
LD L,SYS_SEC ; NUMBER OF SECTORS
CALL $FFFD ; DO READ
JR NZ,ERROR ; HANDLE ERROR
CALL PRTDOT ; PROGRESS
Expand Down Expand Up @@ -151,10 +154,10 @@ HEXASCII:
HEXCONV:
AND $0F ;LOW NIBBLE ONLY
ADD A,$90
DAA
DAA
ADC A,$40
DAA
RET
DAA
RET
;
ERROR:
LD DE,STR_ERR ; POINT TO ERROR STRING
Expand Down Expand Up @@ -256,7 +259,7 @@ PR_SIG .DB $5A,$A5 ; SIGNATURE GOES HERE
PR_WP .DB 0 ; (1) WRITE PROTECT BOOLEAN
PR_UPDSEQ .DW 0 ; (2) PREFIX UPDATE SEQUENCE NUMBER (DEPRECATED?)
PR_VER .DB RMJ,RMN,RUP,RTP ; (4) OS BUILD VERSION
PR_LABEL .DB "Unlabeled$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
PR_LABEL .DB "ZPM 3$$$$$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
.DW 0 ; (2) DEPRECATED
PR_LDLOC .DW SYS_LOC ; (2) ADDRESS TO START LOADING SYSTEM
PR_LDEND .DW SYS_END ; (2) ADDRESS TO STOP LOADING SYSTEM
Expand Down
15 changes: 8 additions & 7 deletions Source/ZSDOS/loader.asm
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
; THE RETROBREW COMPUTING GROUP HAS BEEN USING A CONVENTION OF PREFIXING THE
; OS IMAGE WITH 3 SECTORS (512 BYTES X 3 FOR A TOTAL OF 1536 BYTES):
;
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; SECTOR 1: IBM-PC STYLE BOOT BLOCK CONTAINING BOOTSTRAP,
; PARTITION TABLE, AND BOOT SIGNATURE
; SECTOR 2: RESERVED
; SECTOR 3: METADATA
Expand All @@ -29,6 +29,7 @@
;
SYS_ENT .EQU $E600 ; SYSTEM (OS) ENTRY POINT ADDRESS
SYS_LOC .EQU $D000 ; STARTING ADDRESS TO LOAD SYSTEM IMAGE
SYS_SEC .EQU 22 ; NUMBER OF SECTORS TO READ
SYS_END .EQU $FE00 ; ENDING ADDRESS OF SYSTEM IMAGE
;
SEC_SIZE .EQU 512 ; DISK SECTOR SIZE
Expand Down Expand Up @@ -76,8 +77,8 @@ BOOT:
CALL PRTDOT ; PROGRESS
;
LD C,$42 ; UNA FUNC: READ SECTORS
LD DE,$D000 ; STARTING ADDRESS FOR IMAGE
LD L,22 ; READ 22 SECTORS
LD DE,SYS_LOC ; STARTING ADDRESS FOR IMAGE
LD L,SYS_SEC ; NUMBER OF SECTORS
CALL $FFFD ; DO READ
JR NZ,ERROR ; HANDLE ERROR
CALL PRTDOT ; PROGRESS
Expand Down Expand Up @@ -147,10 +148,10 @@ HEXASCII:
HEXCONV:
AND $0F ;LOW NIBBLE ONLY
ADD A,$90
DAA
DAA
ADC A,$40
DAA
RET
DAA
RET
;
ERROR:
LD DE,STR_ERR ; POINT TO ERROR STRING
Expand Down Expand Up @@ -252,7 +253,7 @@ PR_SIG .DB $5A,$A5 ; SIGNATURE GOES HERE
PR_WP .DB 0 ; (1) WRITE PROTECT BOOLEAN
PR_UPDSEQ .DW 0 ; (2) PREFIX UPDATE SEQUENCE NUMBER (DEPRECATED?)
PR_VER .DB RMJ,RMN,RUP,RTP ; (4) OS BUILD VERSION
PR_LABEL .DB "Unlabeled$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
PR_LABEL .DB "ZSDOS 1.1$$$$$$$","$" ; (17) DISK LABEL (EXACTLY 16 BYTES!!!)
.DW 0 ; (2) DEPRECATED
PR_LDLOC .DW SYS_LOC ; (2) ADDRESS TO START LOADING SYSTEM
PR_LDEND .DW SYS_END ; (2) ADDRESS TO STOP LOADING SYSTEM
Expand Down