.phase TPA\r
\r
jp start\r
+ ds 3\r
\r
ldr_end:\r
ldr_size equ $ - TPA\r
\r
; ddtz specific definitions\r
\r
-STACK_SIZE equ 64 ;ddtz internal stack\r
+STACK_SIZE equ 80 ;ddtz internal stack\r
CONBUF_SIZE equ 80 ;Size of console input buffer\r
EXPR_BUF_SIZE equ 128 ;expressen buffer for conditional breakpoints\r
BP_CNT equ 12 ;Number of breakpoints\r
BP_SIZE equ 8 ;Size of a breakpoint record\r
YREG_CNT equ 10 ;Number of Y registers (0..9)\r
\r
+SYMCASE_SENS equ 0 ;Symbols are case sensitive\r
+SYMCASE_CONV equ 1 ;Convert case when symbols are loaded\r
+SYMCASE_LOWER equ 2 ;Convert to lower case if set, else to upper case\r
+\r
;-------------------------------------------------------------------------------\r
\r
ddtz_base:\r
ret\r
ddtz_bdos:\r
jp 0\r
+screen_width:\r
+ db 80\r
+symlen_max:\r
+ db 16\r
+\r
+symattrib:\r
+ db 0\r
+\r
\r
current_cseg defl $ - current_cseg\r
.phase current_phase + current_cseg\r
var.$: dw 0000h\r
var.@: dw 0\r
\r
-error_func:dw l0146h\r
+error_func:dw p_msg_error\r
cmd_rpt:dw mainloop\r
\r
conbuf:\r
\r
mainloop:\r
ld sp,stack\r
- ld hl,l0146h\r
+ ld hl,p_msg_error\r
ld (error_func),hl\r
ld hl,(reg.pc)\r
ld (var.$),hl\r
call CALL_HL\r
jr mainloop\r
\r
-l0146h:\r
+p_msg_error:\r
call pstr_inl\r
dc '?'\r
;fall thru\r
ld a,d\r
or e\r
pop de\r
- ld a,(symlen_max)\r
+ ld a,(symlen_cur)\r
jr z,$+4\r
add a,6\r
add a,c\r
\r
\r
inchar:\r
+ push ix\r
push hl\r
push de\r
push bc\r
pop bc\r
pop de\r
pop hl\r
+ pop ix\r
ret\r
\r
get_line:\r
cp 'a'\r
ret c\r
cp 'z'+1\r
- ret nc\r
+ ccf\r
+ ret c\r
and 05fh\r
ret\r
\r
+tolower:\r
+ cp 'A'\r
+ ret c\r
+ cp 'Z'+1\r
+ ccf\r
+ ret c\r
+ or 020h\r
+ ret\r
+\r
skipbl0:\r
inc de\r
skipbl:\r
push de\r
ld hl,0\r
add hl,sp\r
- ld de,stack-40\r
+ ld de,stack-(STACK_SIZE-28)\r
call cp_hl_de\r
pop de\r
pop hl\r
ld hl,(var.$)\r
cp '$'\r
ret z\r
+ ld hl,ddtz_base\r
+ cp 'Z'\r
+ ret z\r
cp '-'\r
jr z,fact_factneg\r
cp '~'\r
fact_symbol:\r
push bc\r
ld hl,ddtz_base ;symtbl start\r
+ ld a,(symattrib)\r
+ ld c,07fh\r
+ rra\r
+ jr c,fs_nxtsym\r
+ res 5,c\r
\r
fs_nxtsym:\r
ld a,(hl) ;symlen\r
inc b\r
push hl ;symtbl ptr\r
push de ;inpsym ptr\r
-fs_2:\r
+fs_nxtchar:\r
ld a,(de)\r
djnz fs_3\r
call test_sym_char\r
jr z,fs_cont\r
pop hl ;inpsym ptr (discard)\r
+ inc de\r
+ cp a,':'\r
+ jr z,fs_cont_1\r
+ dec de\r
+\r
pop hl ;symtbl ptr\r
inc hl\r
ld a,(hl) ;symval h\r
or a ;clear carry\r
pop bc\r
ret\r
+\r
fs_3:\r
inc de\r
dec hl\r
- cp (hl)\r
- jr z,fs_2\r
+ xor (hl)\r
+ and c\r
+ jr z,fs_nxtchar\r
fs_cont: ;start over\r
pop de ;inpsym ptr\r
+fs_cont_1:\r
pop hl ;symtbl ptr\r
ld a,(hl)\r
add a,3\r
jr next_bindigit\r
l05e4h:\r
cp '"'\r
- jp nz,ERROR\r
+ jr nz,error11\r
call get.bindigit\r
jr nc,l05dbh\r
or a\r
decnum_done:\r
cp '.'\r
ret z\r
+error11:\r
jp ERROR\r
\r
sub_060ch:\r
call bp_enter\r
jp user_go\r
\r
+\r
+bpl_init:\r
+ ld b,BP_CNT\r
+ ld ix,bp_tab\r
+ ex (sp),hl\r
+ ld (pbl_loop_adr),hl\r
+ ex (sp),hl\r
+ ret\r
+\r
+bpl_next:\r
+ ld de,BP_SIZE\r
+ add ix,de\r
+ dec b\r
+ ret z\r
+\r
+ ex (sp),hl\r
+ ld hl,(pbl_loop_adr)\r
+ ex (sp),hl\r
+ ret\r
+\r
bp_clr_temporary:\r
- ld b,BP_CNT\r
- ld ix,bp_tab\r
-l075ah:\r
+ call bpl_init\r
+\r
ld a,(ix+000h)\r
and 0f1h\r
ld (ix+000h),a\r
call bp_clr_condition\r
- ld de,BP_SIZE\r
- add ix,de\r
- djnz l075ah\r
+\r
+ call bpl_next\r
ret\r
\r
cmd_B:\r
bp_clr_all:\r
scf\r
bp_clr:\r
- ld b,BP_CNT\r
- ld ix,bp_tab\r
-l0799h:\r
+ call bpl_init\r
+\r
push af\r
jr c,l07a7h\r
ld e,(ix+002h)\r
ld (ix+000h),000h\r
call bp_clr_condition\r
l07aeh:\r
- ld de,BP_SIZE\r
- add ix,de\r
pop af\r
- djnz l0799h\r
+ call bpl_next\r
ret\r
\r
bp_print:\r
- ld b,BP_CNT\r
- ld ix,bp_tab\r
-bp_pr_l:\r
+ call bpl_init\r
+\r
bit 0,(ix+000h)\r
jr z,bp_pr_cont\r
ld a,'R'\r
l0805h:\r
call crlf\r
bp_pr_cont:\r
- ld de,BP_SIZE\r
- add ix,de\r
- djnz bp_pr_l\r
+ call bpl_next\r
ret\r
\r
; Add break points to list\r
bp_e_1:\r
push bc\r
call expr\r
- jp c,ERROR\r
+ jr c,error12\r
pop bc\r
bit 0,b\r
push bc\r
jr bp_enter\r
\r
bp_get_freeslot:\r
- ld b,BP_CNT\r
- ld ix,bp_tab\r
-bp_gf_l:\r
+ call bpl_init\r
+\r
ld a,(ix+000h)\r
and 00fh\r
ret z\r
- push bc\r
- ld bc,BP_SIZE\r
- add ix,bc\r
- pop bc\r
- djnz bp_gf_l\r
+\r
+ call bpl_next\r
+error12\r
jp ERROR\r
\r
bp_get_count:\r
ret nz\r
inc de\r
call expr\r
- jp c,ERROR\r
+ jr c,error12\r
ret\r
\r
bp_get_condition:\r
call skipbl\r
push de\r
call expr\r
- jp c,ERROR\r
+ jr c,error12\r
ex de,hl\r
pop de\r
push de\r
add hl,bc\r
ld de,expr_bufe\r
call cp_hl_de\r
- jp nc,ERROR\r
+ jr nc,error12\r
pop hl\r
ld (expr_p2),hl\r
pop de\r
ex af,af'\r
sub a\r
ld (l0941h),a\r
- ld b,BP_CNT\r
- ld ix,bp_tab\r
-l0920h:\r
+ call bpl_init\r
+\r
ld a,(ix+000h)\r
and 007h\r
jr z,l0938h\r
call z,sub_0942h\r
pop bc\r
l0938h:\r
- ld de,BP_SIZE\r
- add ix,de\r
- djnz l0920h\r
+\r
+ call bpl_next\r
ex af,af'\r
ret\r
\r
ret\r
\r
sub_097ah:\r
- ld b,BP_CNT\r
- ld ix,bp_tab\r
-l0980h:\r
+ call bpl_init\r
+\r
bit 5,(ix+000h)\r
res 5,(ix+000h)\r
jr z,l099ah\r
ld (hl),a\r
l099ah:\r
res 3,(ix+000h)\r
- ld de,BP_SIZE\r
- add ix,de\r
- djnz l0980h\r
+\r
+ call bpl_next\r
ret\r
\r
sub_09a6h:\r
- ld b,BP_CNT\r
- ld ix,bp_tab\r
-l09ach:\r
+ call bpl_init\r
+\r
ld a,(ix+000h)\r
and 003h\r
jr z,l09c0h\r
call cp_hl_de\r
ret z\r
l09c0h:\r
- ld de,BP_SIZE\r
- add ix,de\r
- djnz l09ach\r
+\r
+ call bpl_next\r
sub a\r
inc a\r
ret\r
and a\r
ld a,008h\r
jr nz,l09edh\r
- ld a,004h\r
+ rra\r
l09edh:\r
ld (ix+000h),a\r
ret\r
\r
-sub_09f1h:\r
- ld b,BP_CNT\r
- ld ix,bp_tab\r
-l09f7h:\r
+bp_set_to_mem:\r
+ call bpl_init\r
+\r
ld a,(ix+000h)\r
and c\r
jr z,l0a1dh\r
inc hl\r
ld (hl),d\r
l0a1dh:\r
- ld de,BP_SIZE\r
- add ix,de\r
- djnz l09f7h\r
+\r
+ call bpl_next\r
ret\r
\r
user_go:\r
call sub_1ffeh\r
ld c,008h\r
l0a41h:\r
- call sub_09f1h\r
+ call bp_set_to_mem\r
ld sp,reg.l2\r
pop hl\r
pop de\r
p_sym_list:\r
inc de\r
call assert_eol\r
- ld a,(symlen_max)\r
+ ld a,(symlen_cur)\r
add a,7\r
ld b,a\r
ld c,0\r
ld a,c\r
add b\r
ld c,a\r
- ld a,80 ;screen width\r
+ ld a,(screen_width)\r
sub b\r
cp c\r
jr nc,psym_nxtsym\r
push de\r
push bc\r
l0edah:\r
- call get_char_upper\r
+ ld a,(de)\r
cp (hl)\r
jr nz,l0ee2h\r
inc de\r
cp '.'\r
ret z\r
ld c,'?'\r
+ call toupper\r
cp '*'\r
ret\r
\r
call pstr_inl\r
db 'SYMBOLS',CR,LF+80h\r
\r
- dec de\r
- call file_open\r
+ dec de\r
+ call file_open\r
+ ld a,(symattrib)\r
+ ld c,a\r
rs_1:\r
call read_byte\r
rs_2:\r
call read_byte ; next char of symbol name\r
call test_sym_char ; valid char?\r
jr nz,rs_6\r
+ bit SYMCASE_CONV,c\r
+ jr z,rs_51\r
+ call toupper\r
+ bit SYMCASE_LOWER,c\r
+ call nz,tolower\r
+rs_51:\r
ld (hl),a ;\r
inc b ; symlen++\r
- ld a,b ;\r
- cp 10h+1 ;\r
- jr c,rs_5 ;\r
+ ld a,(symlen_max) ;\r
+ cp b ;\r
+ jr nc,rs_5 ;\r
error3:\r
jp ERROR ;\r
\r
ld de,(BDOS+1) ;\r
ld (BDOS+1),hl ;\r
ex de,hl ;\r
- pop af ; symlen\r
- ld (hl),a ;\r
+ pop bc ; symlen\r
+ ld (hl),b ;\r
inc hl ;\r
pop de ; symval\r
ld (hl),e ;\r
inc hl ;\r
ld (hl),d ;\r
- ld hl,symlen_max ;\r
+ ld a,b ;\r
+ ld hl,symlen_cur ;\r
cp (hl) ; new max?\r
jr c,$+3 ;\r
ld (hl),a ;\r
; return nc if valid alfanumeric char\r
\r
test_alphanum:\r
- cp 'z'+1\r
+ cp 'z'\r
+ ret z\r
ccf\r
ret c\r
cp 'a'\r
ret nc\r
- cp 'Z'+1\r
+ cp 'Z'\r
+ ret z\r
ccf\r
ret c\r
cp '?'\r
ret nc\r
test_numeral:\r
- cp '9'+1\r
+ cp '9'\r
+ ret z\r
ccf\r
ret c\r
cp '0'\r
jr cmda_loop\r
\r
cmda_restart:\r
- call l0146h\r
+ call p_msg_error\r
ld sp,(l1262h)\r
jr cmda_loop\r
\r
disas_argtype:\r
db 0\r
\r
-symlen_max: ;max length of symbols read so far\r
+pbl_loop_adr:\r
+ dw 0\r
+\r
+symlen_cur: ;max length of symbols read so far\r
db 0\r
cur_fcb:\r
dw 0\r
projects / ddt180.git / blobdiff