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mod_exec.s
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mod_exec.s
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OFFSET_EM_IDX equ 0
OFFSET_EM_POS equ 8
OFFSET_EM_FIRE equ 16
OFFSET_EM_FLASH equ 20
OFFSET_EM_DATA equ 32
MAX_EM_WRITE equ 12
MAX_EM_READ equ 4
MOD_EM_X equ 2
; 0= num
align 8
submod_exec_macro:
dc.l s_em_name
dc.l s_em_reset
dc.l s_em_init
dc.l s_em_update
s_em_name:
dc.b "DATA WRITE ",0
s_em_reset:
movem.l D0-D7/A0-A6, -(A7)
moveq.l #0,d0
move.l d0,(OFFSET_EM_IDX,a0)
;prepare default data = num, exec
move.l #OFFSET_EM_DATA,d0
move.l a0,a1
add.l d0,a0
move.l #(MAX_EM_WRITE+MAX_EM_READ-1),d0
moveq.l #0,d1
move.l #$100400,d2
.loop:
move.l d2,(a0)+
move.l d1,(a0)+
dbra d0,.loop
;pointer to vars is destroyed now!
.exi:
movem.l (A7)+, D0-D7/A0-A6
rts
s_em_init:
movem.l D0-D7/A0-A6, -(A7)
moveq.l #0,d0
move.l d0,(OFFSET_EM_IDX,a0)
movem.l (A7)+, D0-D7/A0-A6
rts
s_em_update:
movem.l D0-D7/A0-A6, -(A7)
jsr clear_mod_vram
move.l (OFFSET_EM_FLASH,a0),d0
add.l #1,d0
move.l d0,(OFFSET_EM_FLASH,a0)
;check fire
move.l VAR_INPUT,d0
move.l VAR_INPUT_TRG,d1
btst.l #5,d1
beq .nowrite
;burst write/read
movem.l D0-D7/A0-A6, -(A7)
move.l #OFFSET_EM_DATA,a3
add.l a0,a3
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4
move.l (a3)+,d2
move.w d2,(a4)
move.l (a3)+,a4 ;12th
move.l (a3)+,d2
move.w d2,(a4)
moveq.l #0,d2
move.l (a3)+,a4
move.w (a4),d2
move.l d2,(a3)+
move.l (a3)+,a4
move.w (a4),d2
move.l d2,(a3)+
move.l (a3)+,a4
move.w (a4),d2
move.l d2,(a3)+
move.l (a3)+,a4
move.w (a4),d2
move.l d2,(a3)+
movem.l (A7)+, D0-D7/A0-A6
bra .print
.nowrite:
btst.l #4,d0
beq .nofire
;fire pressed
move.l (OFFSET_EM_IDX,a0),d6
move.l d6, (OFFSET_EM_FIRE,a0)
move.l #OFFSET_EM_DATA,d0
move.l a0,a3
add.l d0,a3
move.l d6,d0
add.l d0,d0
add.l d0,d0
;add.l d0,d0 ; *4
add.l d0,a3
move.l #8,d2 ; num max mod
btst #0,d6
beq .addr_mod
;data mod
move.l #4,d2 ; num max mod
;add.l #8,a3
.addr_mod:
move.l (OFFSET_EM_POS,a0),d6
;check keys
btst #2,d1 ;left
beq .no_moveleft
addq.l #1,d6
cmp.l d6,d2
bne .ok_00
moveq.l #0,d6
.ok_00:
move.l d6,(OFFSET_EM_POS,a0)
bra .print
.no_moveleft:
btst #3,d1 ;right
beq .no_moveright
move.l (OFFSET_EM_POS,a0),d6
cmp.l #0,d6
bne .ok_01
move.l d2,d6
.ok_01:
subq.l #1,d6
move.l d6,(OFFSET_EM_POS,a0)
bra .print
.no_moveright:
moveq.l #1,d2
add.l d6,d6
add.l d6,d6
lsl.l d6,d2 ; value
btst #0,d1 ;right
beq .no_incvalue
move.l (a3),d6
add.l d2,d6
move.l d6,(a3)
bra .print
.no_incvalue:
btst #1,d1 ;right
beq .no_decvalue
move.l (a3),d6
sub.l d2,d6
move.l d6,(a3)
bra .print
.no_decvalue:
bra .print
.nofire:
move.l (OFFSET_EM_FIRE,a0),d0
move.l #-1,d2
cmp.l d2, d0
beq .skip_same_as_before
;fire pressed prviously - check pos
move.l (OFFSET_EM_IDX,a0),d2
cmp.l #0,d2
bne .not_go
;perform action! (writes + reads)
.not_go:
moveq.l #0,d2
move.l d2,(OFFSET_EM_POS,a0) ; clear edited index pos
.skip_same_as_before:
move.l #(MAX_EM_WRITE+MAX_EM_READ),d2
add.l d2,d2 ; *2
move.l (OFFSET_EM_IDX,a0),d0
btst #1,d1
beq .nodown
;down pressed
.incidx:
add.l #1, d0
cmp.l d2,d0
blt .done
moveq.l #0,d0
bra .done
.nodown:
btst #0,d1
beq .noup
.decidx:
cmp.l #0,d0
bne .noteq
move.l d2,d0
.noteq:
sub.l #1,d0
bra .done
.noup:
btst #2,d1 ; left
bne .decidx
btst #3,d1 ; right
bne .incidx
.done:
move.l d0,(OFFSET_EM_IDX,a0)
.print:
move.l (OFFSET_EM_IDX,a0),d6
move.l a0,a6 ;store
;a0 is trashed below!
move.l #MOD_Y,d1
move.l #MOD_EM_X+3,d0
;Write!
;print N x "W" entries
move.l #(MAX_EM_WRITE+MAX_EM_READ),d5 ; loop counter
sub.l #1,d5
move.l #OFFSET_EM_DATA,d4
move.l a6,a5
add.l d4,a5 ; a5 points to the data
moveq.l #0, d7 ; counter
move.l #MOD_EM_X,d0
.myloop:
move.l (a5)+,d3
move.l #NUM_DWORD,d4
move.w #COLOR_WHITE,d2
cmp.l d6,d7
bne .nsel3
move.l (OFFSET_EM_FIRE,a6),d2
cmp.l #-1,d2
beq .noedit22
; highlight / flash
move.l (OFFSET_EM_FLASH,a6),d2
btst #4,d2
beq .noedit22
move.w #COLOR_RED,d2
move.l d5,a3
move.l (OFFSET_EM_POS,a6),d5
jsr print_flashing_num
move.l a3,d5
bra .after2
.noedit22:
move.w #COLOR_RED,d2
.nsel3:
jsr print_num
.after2:
add.l #8,d0
;data
lea txt_me_macro,a0
move.w #COLOR_GREEN,d2
jsr print_text
add.l #1,d0 ; ":"
add.l #1,d7 ; item counter inc
move.l (a5)+,d3
moveq.l #4,d4
move.w #COLOR_WHITE,d2
cmp.l d6,d7
bne .nsel4
move.l (OFFSET_EM_FIRE,a6),d2
cmp.l #-1,d2
beq .justred
move.l (OFFSET_EM_FLASH,a6),d2
btst #4,d2
beq .justred
move.w #COLOR_RED,d2
move.l d5,a3
move.l (OFFSET_EM_POS,a6),d5
jsr print_flashing_num
move.l a3,d5
bra .afterred
.justred:
move.w #COLOR_RED,d2
.nsel4:
jsr print_num
.afterred:
addq.l #1,d7
btst #1,d7
bne .same
cmp.l #MAX_EM_WRITE*2,d7
bne .notsplit
add.l #1,d1
.notsplit:
move.l #MOD_EM_X,d0
add.l #1,d1
bra .loopend
.same:
add.l, #5, d0
.loopend:
dbra d5,.myloop
movem.l (A7)+, D0-D7/A0-A6
rts
txt_me_enum:
dc.b "WR:",0
txt_me_enum_r:
dc.b "RD:",0
txt_me_num:
dc.b "#",0
txt_me_macro:
dc.b ":",0
txt_me_macro_r:
dc.b "=",0
txt_me_address:
dc.b "A: ",0
txt_me_go:
dc.b "GO!",0
txt_me_byte:
dc.b "BYTE",0
txt_me_word:
dc.b "WORD",0
txt_me_long:
dc.b "LONG",0
txt_me_empty:
dc.b " ",0