added a8_hardware files

examples/a8/rainbow.mfk

@@ -0,0 +1,10 @@
+byte clock @20
+byte a
+
+void main() {
+    while(true){
+		a = (antic_vcount + clock) << 1
+		antic_wsync = a
+		gtia_colpf2 = a
+	}
+}

include/a8.ini

@@ -1,6 +1,6 @@
 [compilation]
 arch=strict
-modules=a8_kernel,default_panic,stdlib
+modules=a8_hardware,a8_kernel,default_panic,stdlib
 encoding=atascii
 screen_encoding=atasciiscr
 

include/a8_antic.mfk

@@ -0,0 +1,24 @@
+// Atari 8-bit ANTIC hardware
+
+#if not(ATARI_8)
+#warn a8_antic module should be used only on Atari computer-compatible targets
+#endif
+
+volatile byte antic_dmactl @$D400 // direct memory access control
+volatile byte antic_chactl @$D401 // character mode control
+volatile byte antic_dlistl @$D402 // display list pointer low-byte
+volatile byte antic_dlisth @$D403 // display list pointer high-byte
+volatile byte antic_hscrol @$D404 // horizontal scroll enable
+volatile byte antic_vscrol @$D405 // vertical scroll enable
+volatile byte antic_unuse0 @$D406 // unused
+volatile byte antic_pmbase @$D407 // msb of p/m base address
+volatile byte antic_unuse1 @$D408 // unused
+volatile byte antic_chbase @$D409 // character base address
+volatile byte antic_wsync  @$D40A // wait for horizontal synchronization
+volatile byte antic_vcount @$D40B // vertical line counter
+volatile byte antic_penh   @$D40C // light pen horizontal position
+volatile byte antic_penv   @$D40D // light pen vertical position
+volatile byte antic_nmien  @$D40E // non-maskable interrupt enable
+
+// nmi reset status
+volatile byte antic_nmires @$D40F

include/a8_gtia.mfk

@@ -0,0 +1,64 @@
+// Atari 8-bit GTIA hardware
+
+#if not(ATARI_8)
+#warn a8_gtia module should be used only on Atari computer-compatible targets
+#endif
+
+// read/write
+volatile byte gtia_hposp0 @$D000 // horizontal position player 0
+volatile byte gtia_hposp1 @$D001 // horizontal position player 1
+volatile byte gtia_hposp2 @$D002 // horizontal position player 2
+volatile byte gtia_hposp3 @$D003 // horizontal position player 3
+volatile byte gtia_hposm0 @$D004 // horizontal position missile 0
+volatile byte gtia_hposm1 @$D005 // horizontal position missile 1
+volatile byte gtia_hposm2 @$D006 // horizontal position missile 2
+volatile byte gtia_hposm3 @$D007 // horizontal position missile 3
+volatile byte gtia_sizep0 @$D008 // size of player 0
+volatile byte gtia_sizep1 @$D009 // size of player 1
+volatile byte gtia_sizep2 @$D00A // size of player 2
+volatile byte gtia_sizep3 @$D00B // size of player 3
+volatile byte gtia_sizem  @$D00C // size of missiles
+volatile byte gtia_grafp0 @$D00D // graphics shape player 0
+volatile byte gtia_grafp1 @$D00E // graphics shape player 1
+volatile byte gtia_grafp2 @$D00F // graphics shape player 2
+volatile byte gtia_grafp3 @$D010 // graphics shape player 3
+volatile byte gtia_grafm  @$D011 // graphics shape missiles
+volatile byte gtia_colpm0 @$D012 // color player and missile 0
+volatile byte gtia_colpm1 @$D013 // color player and missile 1
+volatile byte gtia_colpm2 @$D014 // color player and missile 2
+volatile byte gtia_colpm3 @$D015 // color player and missile 3
+volatile byte gtia_colpf0 @$D016 // color playfield 0
+volatile byte gtia_colpf1 @$D017 // color playfield 1
+volatile byte gtia_colpf2 @$D018 // color playfield 2
+volatile byte gtia_colpf3 @$D019 // color playfield 3
+volatile byte gtia_colbk  @$D01A // color background
+volatile byte gtia_prior  @$D01B // priority selection
+volatile byte gtia_vdelay @$D01C // vertical delay
+volatile byte gtia_gractl @$D01D // stick/paddle latch, p/m control
+volatile byte gtia_hitclr @$D01E // clear p/m collision
+volatile byte gtia_consol @$D01F // console buttons
+
+// read
+volatile byte gtia_m0pf   @$D000 // missile 0 to playfield collision
+volatile byte gtia_m1pf   @$D001 // missile 1 to playfield collision
+volatile byte gtia_m2pf   @$D002 // missile 2 to playfield collision
+volatile byte gtia_m3pf   @$D003 // missile 3 to playfield collision
+volatile byte gtia_p0pf   @$D004 // player 0 to playfield collision
+volatile byte gtia_p1pf   @$D005 // player 1 to playfield collision
+volatile byte gtia_p2pf   @$D006 // player 2 to playfield collision
+volatile byte gtia_p3pf   @$D007 // player 3 to playfield collision
+volatile byte gtia_m0pl   @$D008 // missile 0 to player collision
+volatile byte gtia_m1pl   @$D009 // missile 1 to player collision
+volatile byte gtia_m2pl   @$D00A // missile 2 to player collision
+volatile byte gtia_m3pl   @$D00B // missile 3 to player collision
+volatile byte gtia_p0pl   @$D00C // player 0 to player collision
+volatile byte gtia_p1pl   @$D00D // player 1 to player collision
+volatile byte gtia_p2pl   @$D00E // player 2 to player collision
+volatile byte gtia_p3pl   @$D00F // player 3 to player collision
+volatile byte gtia_trig0  @$D010 // joystick trigger 0
+volatile byte gtia_trig1  @$D011 // joystick trigger 1
+volatile byte gtia_trig2  @$D012 // joystick trigger 2
+volatile byte gtia_trig3  @$D013 // joystick trigger 3
+
+// pal/ntsc flag
+volatile byte gtia_pal    @$D014 

include/a8_hardware.mfk

@@ -0,0 +1,8 @@
+#if not(ATARI_8)
+#warn a8_hardware module should be used only on Atari computer-compatible targets
+#endif
+
+import a8_antic
+import a8_gtia
+import a8_pia
+import a8_pokey

include/a8_pia.mfk

@@ -0,0 +1,17 @@
+// Atari 8-bit PIA hardware
+
+#if not(ATARI_8)
+#warn a8_pia module should be used only on Atari computer-compatible targets
+#endif
+
+// port A data r/w
+volatile byte pia_porta @$D300
+
+// port B data r/w
+volatile byte pia_portb @$D301
+
+// port A control
+volatile byte pia_pactl @$D302
+
+// port B control
+volatile byte pia_pbctl @$D303

include/a8_pokey.mfk

@@ -0,0 +1,43 @@
+// Atari 8-bit POKEY hardware
+
+#if not(ATARI_8)
+#warn a8_pokey module should be used only on Atari computer-compatible targets
+#endif
+
+// write
+volatile byte pokey_audf1  @$D200 // audio channel #1 frequency
+volatile byte pokey_audc1  @$D201 // audio channel #1 control
+volatile byte pokey_audf2  @$D202 // audio channel #2 frequency
+volatile byte pokey_audc2  @$D203 // audio channel #2 control
+volatile byte pokey_audf3  @$D204 // audio channel #3 frequency
+volatile byte pokey_audc3  @$D205 // audio channel #3 control
+volatile byte pokey_audf4  @$D206 // audio channel #4 frequency
+volatile byte pokey_audc4  @$D207 // audio channel #4 control
+volatile byte pokey_audctl @$D208 // audio control
+volatile byte pokey_stimer @$D209 // start pokey timers
+volatile byte pokey_skrest @$D20A // reset serial port status reg.
+volatile byte pokey_potgo  @$D20B // start paddle scan sequence
+volatile byte pokey_unuse1 @$D20C // unused
+volatile byte pokey_serout @$D20D // serial port data output
+volatile byte pokey_irqen  @$D20E // interrupt request enable
+volatile byte pokey_skctl  @$D20F // serial port control
+
+// read
+volatile byte pokey_pot0   @$D200 // paddle 0 value
+volatile byte pokey_pot1   @$D201 // paddle 1 value
+volatile byte pokey_pot2   @$D202 // paddle 2 value
+volatile byte pokey_pot3   @$D203 // paddle 3 value
+volatile byte pokey_pot4   @$D204 // paddle 4 value
+volatile byte pokey_pot5   @$D205 // paddle 5 value
+volatile byte pokey_pot6   @$D206 // paddle 6 value
+volatile byte pokey_pot7   @$D207 // paddle 7 value
+volatile byte pokey_allpot @$D208 // eight paddle port status
+volatile byte pokey_kbcode @$D209 // keyboard code
+volatile byte pokey_random @$D20A // random number generator
+volatile byte pokey_unuse2 @$D20B // unused
+volatile byte pokey_unuse3 @$D20C // unused
+volatile byte pokey_serin  @$D20D // serial port input
+volatile byte pokey_irqst  @$D20E // interrupt request status
+
+// serial port status
+volatile byte pokey_skstat @$D20F