This commit is contained in:
matthias@arch 2023-12-22 02:17:58 +01:00
parent 1a5fc8cc1b
commit 288a89ad05
2 changed files with 48 additions and 49 deletions

View File

@ -133,8 +133,8 @@ kbinit:
irq_on_shift_reg:
lda #'{'
jsr lcd::print_char
; lda #'{'
; jsr lcd::print_char
lda kb::KB_IO + IO::SR
sta key_read
stz kb::KB_IO + IO::SR
@ -147,7 +147,6 @@ irq_on_shift_reg:
sta kb::KB_IO + IO::IER
; start timer
lda #1
lda #$10 ; todo remove
sta kb::KB_IO + IO::T2CH
; lda #'}'
; jsr lcd::print_char
@ -184,31 +183,31 @@ irq_on_timer:
rol ; rotate carry into byte, rotate startbit into carry
; TODO byte is inverted, maybe consider wasting 256 bytes for a bit reverse lookup table?
sta keycode
jsr lcd::print_char
stz key_read
stz key_read+1
lda #'>'
jsr lcd::print_char
Strf "kc:%x", out_str, keycode
PrintNC out_str
rts
key_read: .res 2
keycode: .res 1
kb_irq1:
lda #'!'
jsr lcd::print_char
; lda #'!'
; jsr lcd::print_char
jsr irq_on_shift_reg
lda #':'
jsr lcd::print_char
; lda #':'
; jsr lcd::print_char
rts
.byte '='
kb_irq2:
lda #'?'
jsr lcd::print_char
; lda #'?'
; jsr lcd::print_char
jsr irq_on_timer
lda #';'
jsr lcd::print_char
rts
.byte '@'
out_str: .res 40

View File

@ -1,43 +1,43 @@
.include "irq_handler.h65"
.bss
; .include "irq_handler.h65"
; .bss
.code
; .code
.proc register_via_handler
.endproc
; .proc register_via_handler
; .endproc
.proc remove_via_handler
.endproc
; .proc remove_via_handler
; .endproc
.proc main_handler
Print "Unknown IRQ"
rti
.endproc
; .proc main_handler
; Print "Unknown IRQ"
; rti
; .endproc
.zeropage
tmp: .res 1
; .zeropage
; tmp: .res 1
.macro VIAHandler via_addr, via_handlers_table
lda via_addr + IO::IFR
sta tmp
bbr7 tmp,@rts ; irq
bbs0 tmp,@ca2
bbs1 tmp,@ca1
bbs2 tmp,@sr
bbs3 tmp,@cb2
bbs4 tmp,@cb1
bbs5 tmp,@t2
bbs6 tmp,@t1
; TODO error, one should have been true
stp
@rts:
rts
@ca2: jmp (via_handlers_table)
@ca1: jmp (via_handlers_table+2)
@sr: jmp (via_handlers_table+4)
@cb2: jmp (via_handlers_table+6)
@cb1: jmp (via_handlers_table+8)
@t2: jmp (via_handlers_table+10)
@t1: jmp (via_handlers_table+12)
.endmacro
; .macro VIAHandler via_addr, via_handlers_table
; lda via_addr + IO::IFR
; sta tmp
; bbr7 tmp,@rts ; irq
; bbs0 tmp,@ca2
; bbs1 tmp,@ca1
; bbs2 tmp,@sr
; bbs3 tmp,@cb2
; bbs4 tmp,@cb1
; bbs5 tmp,@t2
; bbs6 tmp,@t1
; ; TODO error, one should have been true
; stp
; @rts:
; rts
; @ca2: jmp (via_handlers_table)
; @ca1: jmp (via_handlers_table+2)
; @sr: jmp (via_handlers_table+4)
; @cb2: jmp (via_handlers_table+6)
; @cb1: jmp (via_handlers_table+8)
; @t2: jmp (via_handlers_table+10)
; @t1: jmp (via_handlers_table+12)
; .endmacro