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Added condes IRQ routines and a README file.

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Made k_blncur a condes IRQ routine and moved it to cgetc.s.
Added mouse and joystick routines.


git-svn-id: svn://svn.cc65.org/cc65/trunk@951 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2001-09-19 10:01:52 +00:00
parent 2ffb744316
commit e12444824f
8 changed files with 681 additions and 108 deletions
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26
libsrc/cbm510/kirq.s
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@@ -5,7 +5,9 @@
;
.export irq, nmi, k_irq, k_nmi
.import k_blncur, k_scnkey, k_udtim, k_rs232
.import k_scnkey, k_udtim, k_rs232
.import condes
.import __IRQFUNC_TABLE__, __IRQFUNC_COUNT__
.importzp tpi1
.include "zeropage.inc"
@@ -40,7 +42,7 @@
and #$10 ; Test break flag
bne L1
jmp (IRQVec)
L1: jmp (BRKVec)
L1: jmp (BRKVec)
.endproc
@@ -70,16 +72,26 @@ k_irq:
; -------------------------------------------------------------------------
; 50/60Hz interrupt
cmp #%00000001 ; ticker irq?
cmp #%00000001 ; ticker irq?
bne irq1
jsr k_blncur ; Blink the cursor
jsr k_scnkey ; Poll the keyboard
jsr k_udtim ; Bump the time
; Call user IRQ handlers if we have any
ldy #<(__IRQFUNC_COUNT__*2)
beq @L1
lda #<__IRQFUNC_TABLE__
ldx #>__IRQFUNC_TABLE__
jsr condes ; Call the functions
; Call replacement kernal IRQ routines
@L1: jsr k_scnkey ; Poll the keyboard
jsr k_udtim ; Bump the time
; -------------------------------------------------------------------------
; UART interrupt
irq1: cmp #%00010000 ; interrupt from uart?
irq1: cmp #%00010000 ; interrupt from uart?
bne irqend
jsr k_rs232 ; Read character from uart