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implemented SETMSG routine, LOAD command uses it

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FeralChild64 committed 2019-07-12 19:22:46 +02:00
1 parent 3039c108cb
commit ee6e7bc9d5
5 files changed
+23 -11
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c64/basic/,aliases.s
+1 -2
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@@ -61,8 +61,7 @@
.alias LDTND $98 ; number of entries in LAT / FAT / SAT tables .alias LDTND $98 ; number of entries in LAT / FAT / SAT tables
.alias DFLTN $99 .alias DFLTN $99
.alias input_device_number DFLTN .alias input_device_number DFLTN
; bit 6 = error messages, bit 7 = control messages .alias MSGFLG $9D ; bit 6 = error messages, bit 7 = control message
.alias kernal_message_control_flags $9d
.alias jiffy_clock_24bits $a0 .alias jiffy_clock_24bits $a0
.alias cassette_buffer_bytes_used $A6 .alias cassette_buffer_bytes_used $A6
.alias load_or_scroll_temp_pointer $AC .alias load_or_scroll_temp_pointer $AC
c64/basic/cmd_load.s
+9
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@@ -11,6 +11,15 @@ cmd_load:
;; middle of a program. For safety, we do. ;; middle of a program. For safety, we do.
jsr basic_do_clr jsr basic_do_clr
;; Setup Kernal to print control messages or not
lda #$80 ; display control messages and omit error messages
ldx basic_current_line_number+1
cpx #$FF
beq +
lda #$00 ; direct mode - don't display anything
*
jsr $FF90 ; SETMSG
;; XXX temporary, to set valid device number ;; XXX temporary, to set valid device number
lda #$08 lda #$08
sta current_device_number sta current_device_number
c64/kernal/,aliases.s
+1 -2
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@@ -12,8 +12,7 @@
.alias LDTND $98 ; number of entries in LAT / FAT / SAT tables .alias LDTND $98 ; number of entries in LAT / FAT / SAT tables
.alias DFLTN $99 .alias DFLTN $99
.alias input_device_number DFLTN .alias input_device_number DFLTN
; bit 6 = error messages, bit 7 = control messages .alias MSGFLG $9D ; bit 6 = error messages, bit 7 = control message
.alias kernal_message_control_flags $9d
.alias jiffy_clock_24bits $a0 .alias jiffy_clock_24bits $a0
.alias cassette_buffer_bytes_used $A6 .alias cassette_buffer_bytes_used $A6
.alias load_or_scroll_temp_pointer $AC .alias load_or_scroll_temp_pointer $AC
c64/kernal/load.s
+11 -7
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@@ -15,7 +15,7 @@
;; $AC = current pointer for loading/verifying ;; $AC = current pointer for loading/verifying
;; $C1 = similar to the above. ;; $C1 = similar to the above.
;; XXX rework this, according to pagetable.com ;; XXX honor MSGFLG bit 6, add VERIFY support
load: load:
@@ -30,12 +30,13 @@ load:
jsr install_ram_routines jsr install_ram_routines
;; Disable IRQs, since timing matters! ;; Disable IRQs, since timing matters!
SEI sei
;; Display SEARCHING FOR ;; Display SEARCHING FOR + filename
lda MSGFLG
bpl +
jsr printf jsr printf
.byte "SEARCHING FOR ",0 .byte $0D,"SEARCHING FOR ",0
ldy #$00 ldy #$00
print_filename_loop: print_filename_loop:
@@ -131,9 +132,12 @@ sent_filename:
beq + beq +
sta load_save_start_ptr+1 sta load_save_start_ptr+1
* *
;; Display LOADING
lda MSGFLG
bpl +
jsr printf jsr printf
.byte "LOADING",$0d,0 .byte "LOADING",$0D,0
*
load_loop: load_loop:
;; We are now ready to receive bytes ;; We are now ready to receive bytes
jsr iec_rx_byte jsr iec_rx_byte
c64/kernal/setmsg.s
+1
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@@ -1,3 +1,4 @@
; Function defined on pp272-273 of C64 Programmers Reference Guide ; Function defined on pp272-273 of C64 Programmers Reference Guide
setmsg: setmsg:
sta MSGFLG
rts rts