Mercurial > hg > Members > kono > nitros9-code
annotate level1/modules/scdwp.asm @ 2308:b5f0c5326e7e
Changes made to move ISR to dw3
| author | boisy |
|---|---|
| date | Sun, 03 Jan 2010 14:35:04 +0000 |
| parents | 07b2433f0c65 |
| children | b8c7b7fbf3c9 |
| rev | line source |
|---|---|
| 2180 | 1 ******************************************************************** |
| 2 * scdwp.asm - CoCo DriveWire Printer Driver | |
| 3 * | |
| 4 * $Id$ | |
| 5 * | |
| 6 * Edt/Rev YYYY/MM/DD Modified by | |
| 7 * Comment | |
| 8 * ------------------------------------------------------------------ | |
| 9 * 1 2009/03/06 Boisy G. Pitre | |
| 10 * Started. | |
| 11 | |
| 12 nam scdwp | |
| 13 ttl CoCo DriveWire Printer Driver | |
| 14 | |
| 15 ifp1 | |
| 16 use defsfile | |
| 2183 | 17 use dwdefs.d |
| 2180 | 18 endc |
| 19 | |
| 20 tylg set Drivr+Objct | |
| 21 atrv set ReEnt+Rev | |
| 22 rev set $00 | |
| 23 edition set 1 | |
| 24 | |
| 25 mod eom,name,tylg,atrv,Start,Size | |
| 26 | |
| 27 fcb READ.+WRITE. | |
| 28 | |
| 29 name fcs /scdwp/ | |
| 30 fcb edition one more revision level than the stock printer | |
| 31 | |
| 32 * Device memory area: offset from U | |
| 33 org V.SCF V.SCF: free memory for driver to use | |
| 34 V.PAR rmb 1 1=space, 2=mark parity | |
| 35 V.BIT rmb 1 0=7, 1=8 bits | |
| 36 V.STP rmb 1 0=1 stop bit, 1=2 stop bits | |
| 37 V.COM rmb 2 Com Status baud/parity (=Y from SS.Comst Set/GetStt | |
| 38 V.COL rmb 1 columns | |
| 39 V.ROW rmb 1 rows | |
| 40 V.WAIT rmb 2 wait count for baud rate? | |
| 41 V.TRY rmb 2 number of re-tries if printer is busy | |
| 42 V.RTRY rmb 1 low nibble of parity=high byte of number of retries | |
| 43 V.BUFF rmb $80 room for 128 blocked processes | |
| 44 size equ . | |
| 45 | |
| 46 start equ * | |
| 47 lbra Init | |
| 48 lbra Read | |
| 49 lbra Write | |
| 50 lbra GetStt | |
| 51 lbra SetStt | |
| 52 | |
| 53 * Term | |
| 54 * | |
| 55 * Entry: | |
| 56 * U = address of device memory area | |
| 57 * | |
| 58 * Exit: | |
| 59 * CC = carry set on error | |
| 60 * B = error code | |
| 61 * | |
| 62 Term equ * | |
| 63 clrb | |
| 64 rts | |
| 65 | |
| 66 * Init | |
| 67 * | |
| 68 * Entry: | |
| 69 * Y = address of device descriptor | |
| 70 * U = address of device memory area | |
| 71 * | |
| 72 * Exit: | |
| 73 * CC = carry set on error | |
| 74 * B = error code | |
| 75 * | |
| 76 Init | |
|
2270
07b2433f0c65
moved dwdefs.d to defs/, major changes to drivers due to new globals arrangement.
boisy
parents:
2213
diff
changeset
|
77 * Check if D.DWSubAddr already holds a valid subroutine module pointer |
| 2213 | 78 IFGT Level-1 |
|
2270
07b2433f0c65
moved dwdefs.d to defs/, major changes to drivers due to new globals arrangement.
boisy
parents:
2213
diff
changeset
|
79 ldx <D.DWSubAddr |
| 2213 | 80 ELSE |
|
2270
07b2433f0c65
moved dwdefs.d to defs/, major changes to drivers due to new globals arrangement.
boisy
parents:
2213
diff
changeset
|
81 ldx >D.DWSubAddr |
| 2213 | 82 ENDC |
| 83 bne InitEx | |
| 84 | |
|
2270
07b2433f0c65
moved dwdefs.d to defs/, major changes to drivers due to new globals arrangement.
boisy
parents:
2213
diff
changeset
|
85 * If here, D.DWSubAddr is 0, so we must link to subroutine module |
| 2213 | 86 IFGT Level-1 |
| 87 ldx <D.Proc | |
| 88 pshs x | |
| 89 ldx <D.SysPrc | |
| 90 stx <D.Proc | |
| 91 ENDC | |
| 92 clra | |
| 93 leax dw3name,pcr | |
| 94 os9 F$Link | |
| 95 IFGT Level-1 | |
| 96 puls x | |
| 97 stx <D.Proc | |
| 98 ENDC | |
| 99 bcs InitEx | |
| 100 IFGT Level-1 | |
|
2270
07b2433f0c65
moved dwdefs.d to defs/, major changes to drivers due to new globals arrangement.
boisy
parents:
2213
diff
changeset
|
101 sty <D.DWSubAddr |
| 2213 | 102 ELSE |
|
2270
07b2433f0c65
moved dwdefs.d to defs/, major changes to drivers due to new globals arrangement.
boisy
parents:
2213
diff
changeset
|
103 sty >D.DWSubAddr |
| 2213 | 104 ENDC |
| 105 jsr ,y call init routine | |
| 106 InitEx rts | |
| 107 | |
| 108 dw3name fcs /dw3/ | |
| 2180 | 109 |
| 110 * Write | |
| 111 * | |
| 112 * Entry: | |
| 113 * A = character to write | |
| 114 * Y = address of path descriptor | |
| 115 * U = address of device memory area | |
| 116 * | |
| 117 * Exit: | |
| 118 * CC = carry set on error | |
| 119 * B = error code | |
| 120 * | |
| 121 Write equ * | |
| 122 tfr a,b | |
| 2183 | 123 lda #OP_PRINT |
| 2180 | 124 pshs d |
| 125 leax ,s | |
| 126 ldy #$0002 | |
| 2308 | 127 IFGT Level-1 |
| 128 ldu <D.DWSubAddr | |
| 129 ELSE | |
|
2270
07b2433f0c65
moved dwdefs.d to defs/, major changes to drivers due to new globals arrangement.
boisy
parents:
2213
diff
changeset
|
130 ldu >D.DWSubAddr |
| 2308 | 131 ENDC |
| 2180 | 132 jsr 6,u |
| 133 puls d,pc | |
| 134 | |
| 135 | |
| 136 * GetStat | |
| 137 * | |
| 138 * Entry: | |
| 139 * A = function code | |
| 140 * Y = address of path descriptor | |
| 141 * U = address of device memory area | |
| 142 * | |
| 143 * Exit: | |
| 144 * CC = carry set on error | |
| 145 * B = error code | |
| 146 * | |
| 147 GetStt cmpa #SS.EOF end of file? | |
| 148 bne L0112 | |
| 149 clrb if so, exit with no error | |
| 150 rts | |
| 151 | |
| 152 L0112 ldx PD.RGS,y | |
| 153 cmpa #SS.ScSiz | |
| 154 beq L0123 | |
| 155 cmpa #SS.ComSt | |
| 156 bne L0173 | |
| 157 clra | |
| 158 clrb | |
| 159 std R$Y,x | |
| 160 clrb | |
| 161 rts | |
| 162 | |
| 163 * get screen size GetStt | |
| 164 L0123 clra | |
| 165 ldb #80 | |
| 166 std R$X,x | |
| 167 ldb #24 | |
| 168 std R$Y,x | |
| 169 clrb | |
| 170 rts | |
| 171 | |
| 172 * SetStat | |
| 173 * | |
| 174 * Entry: | |
| 175 * A = function code | |
| 176 * Y = address of path descriptor | |
| 177 * U = address of device memory area | |
| 178 * | |
| 179 * Exit: | |
| 180 * CC = carry set on error | |
| 181 * B = error code | |
| 182 * | |
| 183 SetStt | |
| 184 Close cmpa #SS.Close close the device? | |
| 185 bne L0173 | |
| 2183 | 186 lda #OP_PRINTFLUSH send PrintQueue Flush Packet |
| 2180 | 187 pshs a |
| 188 ldy #$0001 | |
| 189 leax ,s | |
| 2308 | 190 IFGT Level-1 |
| 191 ldu <D.DWSubAddr | |
| 192 ELSE | |
|
2270
07b2433f0c65
moved dwdefs.d to defs/, major changes to drivers due to new globals arrangement.
boisy
parents:
2213
diff
changeset
|
193 ldu >D.DWSubAddr |
| 2308 | 194 ENDC |
| 2180 | 195 jsr 6,u |
| 196 puls a,pc | |
| 197 | |
| 198 Read comb | |
| 199 ldb #E$BMode | |
| 200 rts | |
| 201 | |
| 202 L0173 comb | |
| 203 ldb #E$UnkSVc | |
| 204 rts | |
| 205 | |
| 206 emod | |
| 207 eom equ * | |
| 208 end |