Partition table entry definitions.
This commit is contained in:
Eric Smith
parent
40c553b58d
commit
8cf4d97267
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@ -212,9 +212,9 @@ shs_cur_part_size_low equ $06f8-$c0 ; current partition size, pages, low byte
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shs_os_code equ $0778-$c0 ; operating system code
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shs_os_check equ $07f8-$c0 ; operating system check code
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D0800 equ $0800
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L0801 equ $0801
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D0900 equ $0900
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bootstrap_load_addr equ $0800
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bootstrap_entry_addr equ bootstrap_load_addr+1
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ram_application_base equ $0a00
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@ -370,7 +370,7 @@ Lcn6e: lda shs_idx_part_data,y
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Scn7b: jsr Sca9a
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jsr Scaeb
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ldy #$c0+slotnum ; high byte of slot ROM base c100
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lda L0801
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lda bootstrap_entry_addr
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beq Lcn9a
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lda shs_os_check,y
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eor #$5a
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@ -378,7 +378,7 @@ Scn7b: jsr Sca9a
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bne Lcn9a
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sta proflag
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ldx #(slotnum*$10)
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jmp L0801
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jmp bootstrap_entry_addr
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Lcn9a: rts
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@ -885,11 +885,11 @@ Lcacd: lda hw_reg_addr_mid-hw_reg_offset,x
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public Scaeb ; referenced from slot, pmgr
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Scaeb: ldy #$00
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Lcaed: lda hw_reg_data-hw_reg_offset,x
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sta D0800,y
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sta bootstrap_load_addr,y
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iny
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bne Lcaed
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Lcaf6: lda hw_reg_data-hw_reg_offset,x
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sta D0900,y
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sta bootstrap_load_addr+$0100,y
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iny
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bne Lcaf6
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rts
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@ -1965,17 +1965,23 @@ b1_partmgr equ *-$1000
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section partmgr
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phase ram_application_base
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D0800 equ $0800
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D0801 equ $0801
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D0802 equ $0802
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D0803 equ $0803
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D0804 equ $0804
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D0805 equ $0805
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D0808 equ $0808
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D0818 equ $0818
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D0819 equ $0819
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D081a equ $081a
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D081b equ $081b
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; parition table buffer
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pt_buffer equ $0800
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D0802 equ pt_buffer+$02
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D0803 equ pt_buffer+$03
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part_table_entry_size equ $18
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; partition table entry addresses, must be indexed
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pte_ofs_base_addr_high equ $00 ; parition base address high
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pte_ofs_base_addr_mid equ $01 ; parition base address mid
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pte_ofs_size_high equ $02 ; partition size high
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pte_ofs_size_mid equ $03 ; parititon size mid
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pte_ofs_os_code equ $04 ; OS code
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pte_ofs_os_check equ $05 ; OS check (OS code xor $5a)
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pte_ofs_name equ $08 ; partition name
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D0900 equ $0900
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D0901 equ $0901
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@ -2169,7 +2175,7 @@ p_cmd_name:
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ldx #$00
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ldy D0901
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pL0b62: lda D0908,x
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sta D0808,y
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sta pt_buffer+pte_ofs_name,y
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iny
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inx
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cpx #$10
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@ -2198,11 +2204,11 @@ p_cmd_size:
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rol D0905
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clc
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ldy D0901
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lda D0803,y
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adc D081b,y
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lda pt_buffer+pte_ofs_size_mid,y
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adc pt_buffer+part_table_entry_size+pte_ofs_size_mid,y
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sta D0906
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lda D0802,y
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adc D081a,y
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lda pt_buffer+pte_ofs_size_high,y
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adc pt_buffer+part_table_entry_size+pte_ofs_size_high,y
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sta D0907
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sec
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lda D0906
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@ -2211,18 +2217,18 @@ p_cmd_size:
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lda D0907
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sbc D0905
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bcc pL0be6
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sta D081a,y
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sta pt_buffer+part_table_entry_size+pte_ofs_size_high,y
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pla
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sta D081b,y
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sta pt_buffer+part_table_entry_size+pte_ofs_size_mid,y
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clc
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lda D0904
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sta D0803,y
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adc D0801,y
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sta D0819,y
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sta pt_buffer+pte_ofs_size_mid,y
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adc pt_buffer+pte_ofs_base_addr_mid,y
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sta pt_buffer+part_table_entry_size+pte_ofs_base_addr_mid,y
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lda D0905
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sta D0802,y
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adc D0800,y
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sta D0818,y
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sta pt_buffer+pte_ofs_size_high,y
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adc pt_buffer+pte_ofs_base_addr_high,y
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sta pt_buffer+part_table_entry_size+pte_ofs_base_addr_high,y
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jmp pL0a7d
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pL0be6: pla
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@ -2237,7 +2243,7 @@ p_cmd_clear:
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jsr pS0e43
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bne pL0c00
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ldx D0901
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inc D0805,x
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inc pt_buffer+pte_ofs_os_check,x
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pL0c00: jmp pL0a7d
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@ -2270,7 +2276,7 @@ pL0c12: stx invflg
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pha
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tay
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ldx #$10
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pL0c26: lda D0808,y
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pL0c26: lda pt_buffer+pte_ofs_name,y
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bne pL0c2d
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lda #' '+$80 ; NUL chars converted to spaces
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pL0c2d: jsr cout
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@ -2283,9 +2289,9 @@ pL0c2d: jsr cout
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; output partition size in KiB, followed by two spaces
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pha
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tay
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lda D0802,y
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lda pt_buffer+pte_ofs_size_high,y
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sta Z3f
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lda D0803,y
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lda pt_buffer+pte_ofs_size_mid,y
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sta Z3e
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jsr Scb9b
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lda #$ff
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@ -2295,9 +2301,9 @@ pL0c2d: jsr cout
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; output paritition type
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tay
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lda D0805,y
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lda pt_buffer+pte_ofs_os_check,y
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eor #$5a
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cmp D0804,y
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cmp pt_buffer+pte_ofs_os_code,y
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beq pL0c5c
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lda #$01 ; if the parition type is invalid (code xor check != 0x5a), consider it clear ($01 not in table)
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@ -2476,7 +2482,7 @@ pS0dd7: lda D0901
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pS0de8: jsr Sca8b
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tay
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pL0dec: lda D0800,y
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pL0dec: lda pt_buffer+pte_ofs_base_addr_high,y
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sta hw_reg_data-hw_reg_offset,x
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iny
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bne pL0dec
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@ -2485,8 +2491,8 @@ pL0dec: lda D0800,y
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pL0df6: jsr pS0dd7
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jsr pS0e43
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bne pL0e09
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lda D0802,y
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ora D0803,y
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lda pt_buffer+pte_ofs_size_high,y
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ora pt_buffer+pte_ofs_size_mid,y
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beq pL0e09
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pL0e06: jsr pS0e27
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pL0e09: ldy #p_msg_idx_cannot_boot
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@ -2513,14 +2519,14 @@ pL0e2f: sty L00+1
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pL0e36: ldx #$02
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lda #$00
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pL0e3a: sta D0800,x
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pL0e3a: sta pt_buffer+pte_ofs_base_addr_high,x
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dex
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bpl pL0e3a
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jmp (resetvec)
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pS0e43: ldy D0901
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pS0e46: lda D0804,y
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eor D0805,y
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pS0e46: lda pt_buffer+pte_ofs_os_code,y
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eor pt_buffer+pte_ofs_os_check,y
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cmp #$5a
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rts
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